示例#1
0
文件: fitWm.C 项目: ksung25/UserCode
void fitWm(const TString  outputDir,   // output directory
           const Double_t lumi,        // integrated luminosity (/fb)
	   const Double_t nsigma=0     // vary MET corrections by n-sigmas (nsigma=0 means nominal correction)
) {
  gBenchmark->Start("fitWm");

  //--------------------------------------------------------------------------------------------------------------
  // Settings 
  //==============================================================================================================   
  
  // MET histogram binning and range
  const Int_t    NBINS   = 50;
  const Double_t METMAX  = 100;
  
  const Double_t PT_CUT  = 25;
  const Double_t ETA_CUT = 2.1;

  // file format for output plots
  const TString format("png"); 

    
  // recoil correction
  RecoilCorrector recoilCorr("../Recoil/ZmmData/fits.root");//, (!) uncomment to perform corrections to recoil from W-MC/Z-MC
                             //"../Recoil/WmpMC/fits.root",
			     //"../Recoil/WmmMC/fits.root",
			     //"../Recoil/ZmmMC/fits.root");
   
  // NNLO boson pT k-factors
  TFile nnloCorrFile("/data/blue/ksung/EWKAna/8TeV/Utils/Ratio.root");
  TH1D *hNNLOCorr = (TH1D*)nnloCorrFile.Get("RpT_B");
  
  //
  // input ntuple file names
  //
  enum { eData, eWmunu, eEWK, eAntiData, eAntiWmunu, eAntiEWK };  // data type enum
  vector<TString> fnamev;
  vector<Int_t>   typev;
  
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/Wmunu/ntuples/data_select.root"); typev.push_back(eData);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/Wmunu/ntuples/wm_select.root");   typev.push_back(eWmunu);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/Wmunu/ntuples/ewk_select.root");  typev.push_back(eEWK);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/Wmunu/ntuples/top_select.root");  typev.push_back(eEWK);
  
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/AntiWmunu/ntuples/data_select.root"); typev.push_back(eAntiData);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/AntiWmunu/ntuples/wm_select.root");   typev.push_back(eAntiWmunu);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/AntiWmunu/ntuples/ewk_select.root");  typev.push_back(eAntiEWK);
  fnamev.push_back("/data/blue/ksung/EWKAna/8TeV/Selection/AntiWmunu/ntuples/top_select.root");  typev.push_back(eAntiEWK);


  //--------------------------------------------------------------------------------------------------------------
  // Main analysis code 
  //==============================================================================================================  
  
  // Create output directory
  gSystem->mkdir(outputDir,kTRUE);
  CPlot::sOutDir = outputDir;  
  
  //
  // Declare MET histograms
  //
  TH1D *hDataMet   = new TH1D("hDataMet","",  NBINS,0,METMAX); hDataMet->Sumw2();
  TH1D *hDataMetm  = new TH1D("hDataMetm","", NBINS,0,METMAX); hDataMetm->Sumw2();  
  TH1D *hDataMetp  = new TH1D("hDataMetp","", NBINS,0,METMAX); hDataMetp->Sumw2();
  TH1D *hWmunuMet  = new TH1D("hWmunuMet","", NBINS,0,METMAX); hWmunuMet->Sumw2();
  TH1D *hWmunuMetp = new TH1D("hWmunuMetp","",NBINS,0,METMAX); hWmunuMetp->Sumw2();
  TH1D *hWmunuMetm = new TH1D("hWmunuMetm","",NBINS,0,METMAX); hWmunuMetm->Sumw2();
  TH1D *hEWKMet    = new TH1D("hEWKMet", "",  NBINS,0,METMAX); hEWKMet->Sumw2();
  TH1D *hEWKMetp   = new TH1D("hEWKMetp", "", NBINS,0,METMAX); hEWKMetp->Sumw2();
  TH1D *hEWKMetm   = new TH1D("hEWKMetm", "", NBINS,0,METMAX); hEWKMetm->Sumw2();

  TH1D *hAntiDataMet   = new TH1D("hAntiDataMet","",  NBINS,0,METMAX); hAntiDataMet->Sumw2();
  TH1D *hAntiDataMetm  = new TH1D("hAntiDataMetm","", NBINS,0,METMAX); hAntiDataMetm->Sumw2();  
  TH1D *hAntiDataMetp  = new TH1D("hAntiDataMetp","", NBINS,0,METMAX); hAntiDataMetp->Sumw2();
  TH1D *hAntiWmunuMet  = new TH1D("hAntiWmunuMet","", NBINS,0,METMAX); hAntiWmunuMet->Sumw2();
  TH1D *hAntiWmunuMetp = new TH1D("hAntiWmunuMetp","",NBINS,0,METMAX); hAntiWmunuMetp->Sumw2();
  TH1D *hAntiWmunuMetm = new TH1D("hAntiWmunuMetm","",NBINS,0,METMAX); hAntiWmunuMetm->Sumw2();
  TH1D *hAntiEWKMet    = new TH1D("hAntiEWKMet", "",  NBINS,0,METMAX); hAntiEWKMet->Sumw2();
  TH1D *hAntiEWKMetp   = new TH1D("hAntiEWKMetp", "", NBINS,0,METMAX); hAntiEWKMetp->Sumw2();
  TH1D *hAntiEWKMetm   = new TH1D("hAntiEWKMetm", "", NBINS,0,METMAX); hAntiEWKMetm->Sumw2();

  //
  // Declare variables to read in ntuple
  //
  UInt_t  runNum, lumiSec, evtNum;
  UInt_t  npv, npu;
  Float_t genVPt, genVPhi;
  Float_t scale1fb;
  Float_t met, metPhi, sumEt, mt, u1, u2;
  Int_t   q;
  LorentzVector *lep=0;
  Float_t pfChIso, pfGamIso, pfNeuIso;
    
  TFile *infile=0;
  TTree *intree=0;

  //
  // Loop over files
  //
  for(UInt_t ifile=0; ifile<fnamev.size(); ifile++) {
    
    // Read input file and get the TTrees
    cout << "Processing " << fnamev[ifile] << "..." << endl;
    infile = new TFile(fnamev[ifile]);	  assert(infile);
    intree = (TTree*)infile->Get("Events"); assert(intree);

    intree->SetBranchAddress("runNum",   &runNum);    // event run number
    intree->SetBranchAddress("lumiSec",  &lumiSec);   // event lumi section
    intree->SetBranchAddress("evtNum",   &evtNum);    // event number
    intree->SetBranchAddress("npv",      &npv);       // number of primary vertices
    intree->SetBranchAddress("npu",      &npu);       // number of in-time PU events (MC)
    intree->SetBranchAddress("genVPt",   &genVPt);    // GEN W boson pT (signal MC)
    intree->SetBranchAddress("genVPhi",  &genVPhi);   // GEN W boson phi (signal MC)   
    intree->SetBranchAddress("scale1fb", &scale1fb);  // event weight per 1/fb (MC)
    intree->SetBranchAddress("met",      &met);       // MET
    intree->SetBranchAddress("metPhi",   &metPhi);    // phi(MET)
    intree->SetBranchAddress("sumEt",    &sumEt);     // Sum ET
    intree->SetBranchAddress("mt",       &mt);        // transverse mass
    intree->SetBranchAddress("u1",       &u1);        // parallel component of recoil
    intree->SetBranchAddress("u2",       &u2);        // perpendicular component of recoil
    intree->SetBranchAddress("q",        &q);	      // lepton charge
    intree->SetBranchAddress("lep",      &lep);       // lepton 4-vector
    intree->SetBranchAddress("pfChIso",  &pfChIso);
    intree->SetBranchAddress("pfGamIso", &pfGamIso);
    intree->SetBranchAddress("pfNeuIso", &pfNeuIso);
  
    //
    // loop over events
    //
    for(UInt_t ientry=0; ientry<intree->GetEntries(); ientry++) {
      intree->GetEntry(ientry);
      
      if(lep->Pt()        < PT_CUT)  continue;	
      if(fabs(lep->Eta()) > ETA_CUT) continue;
      
      if( (typev[ifile]==eAntiData || typev[ifile]==eAntiWmunu || typev[ifile]==eAntiEWK) &&
          (pfChIso+pfGamIso+pfNeuIso)>0.5*(lep->Pt()) ) 
	  continue;
      
      if(typev[ifile]==eData) {
        hDataMet->Fill(met);
	if(q>0) { hDataMetp->Fill(met); } 
	else    { hDataMetm->Fill(met); }
      
      } else if(typev[ifile]==eAntiData) {
        hAntiDataMet->Fill(met);
	if(q>0) { hAntiDataMetp->Fill(met); } 
	else    { hAntiDataMetm->Fill(met); }      
      
      } else {
        Double_t weight = 1;
        weight *= scale1fb*lumi;
	
	if(typev[ifile]==eWmunu) {
          Double_t corrMet=met, corrMetPhi=metPhi;
        
	  // apply recoil corrections to W MC
	  Double_t lepPt = lep->Pt();
	  //Double_t lepPt = gRandom->Gaus(lep->Pt(),0.5);  // (!) uncomment to apply scale/res corrections to MC
	  recoilCorr.Correct(corrMet,corrMetPhi,genVPt,genVPhi,lepPt,lep->Phi(),nsigma,q);
	
          Double_t nnlocorr=1;
          for(Int_t ibin=1; ibin<=hNNLOCorr->GetNbinsX(); ibin++) {
            if(genVPt >= hNNLOCorr->GetBinLowEdge(ibin) &&
               genVPt < (hNNLOCorr->GetBinLowEdge(ibin)+hNNLOCorr->GetBinWidth(ibin)))
              nnlocorr = hNNLOCorr->GetBinContent(ibin);
          }
	  //weight *= nnlocorr;  // (!) uncomment to apply NNLO corrections
	  
          hWmunuMet->Fill(corrMet,weight);
	  if(q>0) { hWmunuMetp->Fill(corrMet,weight); } 
	  else    { hWmunuMetm->Fill(corrMet,weight); }
        }
	if(typev[ifile]==eAntiWmunu) {
          Double_t corrMet=met, corrMetPhi=metPhi;
        
	  // apply recoil corrections to W MC
	  Double_t lepPt = lep->Pt();//gRandom->Gaus(lep->Pt(),0.5);
	  //Double_t lepPt = gRandom->Gaus(lep->Pt(),0.5);  // (!) uncomment to apply scale/res corrections to MC
	  recoilCorr.Correct(corrMet,corrMetPhi,genVPt,genVPhi,lepPt,lep->Phi(),nsigma,q);
          
	  Double_t nnlocorr=1;
          for(Int_t ibin=1; ibin<=hNNLOCorr->GetNbinsX(); ibin++) {
            if(genVPt >= hNNLOCorr->GetBinLowEdge(ibin) &&
               genVPt < (hNNLOCorr->GetBinLowEdge(ibin)+hNNLOCorr->GetBinWidth(ibin)))
              nnlocorr = hNNLOCorr->GetBinContent(ibin);
          }
	  //weight *= nnlocorr;  // (!) uncomment to apply NNLO corrections
          
	  hAntiWmunuMet->Fill(corrMet,weight);
	  if(q>0) { hAntiWmunuMetp->Fill(corrMet,weight); } 
	  else    { hAntiWmunuMetm->Fill(corrMet,weight); }
        }
        if(typev[ifile]==eEWK) {
          hEWKMet->Fill(met,weight);
	  if(q>0) { hEWKMetp->Fill(met,weight); }
	  else    { hEWKMetm->Fill(met,weight); }
        }
        if(typev[ifile]==eAntiEWK) {
          hAntiEWKMet->Fill(met,weight);
	  if(q>0) { hAntiEWKMetp->Fill(met,weight); }
	  else    { hAntiEWKMetm->Fill(met,weight); }
        }
      }
    }
  }  
  delete infile;
  infile=0, intree=0;   
  
  //
  // Declare fit parameters for signal and background yields
  // Note: W signal and EWK+top PDFs are constrained to the ratio described in MC
  //
  RooRealVar nSig("nSig","nSig",0.7*(hDataMet->Integral()),0,hDataMet->Integral());
  RooRealVar nQCD("nQCD","nQCD",0.3*(hDataMet->Integral()),0,hDataMet->Integral());
  RooRealVar cewk("cewk","cewk",0.1,0,5) ;
  cewk.setVal(hEWKMet->Integral()/hWmunuMet->Integral());
  cewk.setConstant(kTRUE);
  RooFormulaVar nEWK("nEWK","nEWK","cewk*nSig",RooArgList(nSig,cewk));
  RooRealVar nAntiSig("nAntiSig","nAntiSig",0.05*(hAntiDataMet->Integral()),0,hAntiDataMet->Integral());
  RooRealVar nAntiQCD("nAntiQCD","nAntiQCD",0.9*(hDataMet->Integral()),0,hDataMet->Integral());
  RooRealVar dewk("dewk","dewk",0.1,0,5) ;
  dewk.setVal(hAntiEWKMet->Integral()/hAntiWmunuMet->Integral());
  dewk.setConstant(kTRUE);
  RooFormulaVar nAntiEWK("nAntiEWK","nAntiEWK","dewk*nAntiSig",RooArgList(nAntiSig,dewk));
  
  RooRealVar nSigp("nSigp","nSigp",0.7*(hDataMetp->Integral()),0,hDataMetp->Integral());
  RooRealVar nQCDp("nQCDp","nQCDp",0.3*(hDataMetp->Integral()),0,hDataMetp->Integral());
  RooRealVar cewkp("cewkp","cewkp",0.1,0,5) ;
  cewkp.setVal(hEWKMetp->Integral()/hWmunuMetp->Integral());
  cewkp.setConstant(kTRUE);
  RooFormulaVar nEWKp("nEWKp","nEWKp","cewkp*nSigp",RooArgList(nSigp,cewkp));
  RooRealVar nAntiSigp("nAntiSigp","nAntiSigp",0.05*(hAntiDataMetp->Integral()),0,hAntiDataMetp->Integral());
  RooRealVar nAntiQCDp("nAntiQCDp","nAntiQCDp",0.9*(hAntiDataMetp->Integral()),0,hAntiDataMetp->Integral());
  RooRealVar dewkp("dewkp","dewkp",0.1,0,5) ;
  dewkp.setVal(hAntiEWKMetp->Integral()/hAntiWmunuMetp->Integral());
  dewkp.setConstant(kTRUE);
  RooFormulaVar nAntiEWKp("nAntiEWKp","nAntiEWKp","dewkp*nAntiSigp",RooArgList(nAntiSigp,dewkp));
  
  RooRealVar nSigm("nSigm","nSigm",0.7*(hDataMetm->Integral()),0,hDataMetm->Integral());
  RooRealVar nQCDm("nQCDm","nQCDm",0.3*(hDataMetm->Integral()),0,hDataMetm->Integral());
  RooRealVar cewkm("cewkm","cewkm",0.1,0,5) ;
  cewkm.setVal(hEWKMetm->Integral()/hWmunuMetm->Integral());
  cewkm.setConstant(kTRUE);
  RooFormulaVar nEWKm("nEWKm","nEWKm","cewkm*nSigm",RooArgList(nSigm,cewkm));  
  RooRealVar nAntiSigm("nAntiSigm","nAntiSigm",0.05*(hAntiDataMetm->Integral()),0,hAntiDataMetm->Integral());
  RooRealVar nAntiQCDm("nAntiQCDm","nAntiQCDm",0.9*(hAntiDataMetm->Integral()),0,hAntiDataMetm->Integral());
  RooRealVar dewkm("dewkm","dewkm",0.1,0,5) ;
  dewkm.setVal(hAntiEWKMetm->Integral()/hAntiWmunuMetm->Integral());
  dewkm.setConstant(kTRUE);
  RooFormulaVar nAntiEWKm("nAntiEWKm","nAntiEWKm","dewkm*nAntiSigm",RooArgList(nAntiSigm,dewkm));

  //
  // Construct PDFs for fitting
  //
  RooRealVar pfmet("pfmet","pfmet",0,METMAX);
  pfmet.setBins(NBINS);
   
  // Signal PDFs
  RooDataHist wmunuMet ("wmunuMET", "wmunuMET", RooArgSet(pfmet),hWmunuMet);  RooHistPdf pdfWm ("wm", "wm", pfmet,wmunuMet, 1);
  RooDataHist wmunuMetp("wmunuMETp","wmunuMETp",RooArgSet(pfmet),hWmunuMetp); RooHistPdf pdfWmp("wmp","wmp",pfmet,wmunuMetp,1);
  RooDataHist wmunuMetm("wmunuMETm","wmunuMETm",RooArgSet(pfmet),hWmunuMetm); RooHistPdf pdfWmm("wmm","wmm",pfmet,wmunuMetm,1); 
  
  // EWK+top PDFs
  RooDataHist ewkMet ("ewkMET", "ewkMET", RooArgSet(pfmet),hEWKMet);  RooHistPdf pdfEWK ("ewk", "ewk", pfmet,ewkMet, 1);
  RooDataHist ewkMetp("ewkMETp","ewkMETp",RooArgSet(pfmet),hEWKMetp); RooHistPdf pdfEWKp("ewkp","ewkp",pfmet,ewkMetp,1); 
  RooDataHist ewkMetm("ewkMETm","ewkMETm",RooArgSet(pfmet),hEWKMetm); RooHistPdf pdfEWKm("ewkm","ewkm",pfmet,ewkMetm,1); 
  
  // QCD Pdfs
  CPepeModel1 qcd("qcd",pfmet);
  CPepeModel1 qcdp("qcdp",pfmet);
  CPepeModel1 qcdm("qcdm",pfmet);
  
  // Signal + Background PDFs
  RooAddPdf pdfMet ("pdfMet", "pdfMet", RooArgList(pdfWm,pdfEWK,*(qcd.model)),   RooArgList(nSig,nEWK,nQCD));  
  RooAddPdf pdfMetp("pdfMetp","pdfMetp",RooArgList(pdfWmp,pdfEWKp,*(qcdp.model)),RooArgList(nSigp,nEWKp,nQCDp));
  RooAddPdf pdfMetm("pdfMetm","pdfMetm",RooArgList(pdfWmm,pdfEWKm,*(qcdm.model)),RooArgList(nSigm,nEWKm,nQCDm));
    
  
  // Anti-Signal PDFs
  RooDataHist awmunuMet ("awmunuMET", "awmunuMET", RooArgSet(pfmet),hAntiWmunuMet);  RooHistPdf apdfWm ("awm", "awm", pfmet,awmunuMet, 1);
  RooDataHist awmunuMetp("awmunuMETp","awmunuMETp",RooArgSet(pfmet),hAntiWmunuMetp); RooHistPdf apdfWmp("awmp","awmp",pfmet,awmunuMetp,1);
  RooDataHist awmunuMetm("awmunuMETm","awmunuMETm",RooArgSet(pfmet),hAntiWmunuMetm); RooHistPdf apdfWmm("awmm","awmm",pfmet,awmunuMetm,1); 
  
  // Anti-EWK+top PDFs
  RooDataHist aewkMet ("aewkMET", "aewkMET", RooArgSet(pfmet),hAntiEWKMet);  RooHistPdf apdfEWK ("aewk", "aewk", pfmet,aewkMet, 1);
  RooDataHist aewkMetp("aewkMETp","aewkMETp",RooArgSet(pfmet),hAntiEWKMetp); RooHistPdf apdfEWKp("aewkp","aewkp",pfmet,aewkMetp,1); 
  RooDataHist aewkMetm("aewkMETm","aewkMETm",RooArgSet(pfmet),hAntiEWKMetm); RooHistPdf apdfEWKm("aewkm","aewkm",pfmet,aewkMetm,1); 
  
  // Anti-QCD Pdfs
  CPepeModel1 aqcd("aqcd",pfmet,qcd.a1);
  CPepeModel1 aqcdp("aqcdp",pfmet,qcdp.a1);
  CPepeModel1 aqcdm("aqcdm",pfmet,qcdm.a1);
  
  // Anti-selection PDFs
  RooAddPdf apdfMet ("apdfMet", "apdfMet", RooArgList(apdfWm,apdfEWK,*(aqcd.model)),   RooArgList(nAntiSig,nAntiEWK,nAntiQCD));  
  RooAddPdf apdfMetp("apdfMetp","apdfMetp",RooArgList(apdfWmp,apdfEWKp,*(aqcdp.model)),RooArgList(nAntiSigp,nAntiEWKp,nAntiQCDp));
  RooAddPdf apdfMetm("apdfMetm","apdfMetm",RooArgList(apdfWmm,apdfEWKm,*(aqcdm.model)),RooArgList(nAntiSigm,nAntiEWKm,nAntiQCDm));
  
  // PDF for simultaneous fit
  RooCategory rooCat("rooCat","rooCat");
  rooCat.defineType("Select");
  rooCat.defineType("Anti");
  
  RooSimultaneous pdfTotal("pdfTotal","pdfTotal",rooCat);
  pdfTotal.addPdf(pdfMet, "Select");
  pdfTotal.addPdf(apdfMet,"Anti");
  
  RooSimultaneous pdfTotalp("pdfTotalp","pdfTotalp",rooCat);
  pdfTotalp.addPdf(pdfMetp, "Select");
  pdfTotalp.addPdf(apdfMetp,"Anti");
  
  RooSimultaneous pdfTotalm("pdfTotalm","pdfTotalm",rooCat);
  pdfTotalm.addPdf(pdfMetm, "Select");
  pdfTotalm.addPdf(apdfMetm,"Anti");
  
  //
  // Perform fits
  //

  RooDataHist dataMet("dataMet", "dataMet", RooArgSet(pfmet), hDataMet);
  RooDataHist antiMet("antiMet", "antiMet", RooArgSet(pfmet), hAntiDataMet);
  RooDataHist dataTotal("dataTotal","dataTotal", RooArgList(pfmet), Index(rooCat),
                        Import("Select", dataMet),
                        Import("Anti",   antiMet));
  RooFitResult *fitRes = pdfTotal.fitTo(dataTotal,Extended(),Minos(kTRUE),Save(kTRUE));
  
  RooDataHist dataMetp("dataMetp", "dataMetp", RooArgSet(pfmet), hDataMetp);
  RooDataHist antiMetp("antiMetp", "antiMetp", RooArgSet(pfmet), hAntiDataMetp);
  RooDataHist dataTotalp("dataTotalp","dataTotalp", RooArgList(pfmet), Index(rooCat),
                         Import("Select", dataMetp),
                         Import("Anti",   antiMetp));
  RooFitResult *fitResp = pdfTotalp.fitTo(dataTotalp,Extended(),Minos(kTRUE),Save(kTRUE));
  
  RooDataHist dataMetm("dataMetm", "dataMetm", RooArgSet(pfmet), hDataMetm);
  RooDataHist antiMetm("antiMetm", "antiMetm", RooArgSet(pfmet), hAntiDataMetm);
  RooDataHist dataTotalm("dataTotalm","dataTotalm", RooArgList(pfmet), Index(rooCat),
                         Import("Select", dataMetm),
                         Import("Anti",   antiMetm));
  RooFitResult *fitResm = pdfTotalm.fitTo(dataTotalm,Extended(),Minos(kTRUE),Save(kTRUE));
    
  //
  // Use histogram version of fitted PDFs to make ratio plots
  // (Will also use PDF histograms later for Chi^2 and KS tests)
  //
  TH1D *hPdfMet = (TH1D*)(pdfMet.createHistogram("hPdfMet", pfmet));
  hPdfMet->Scale((nSig.getVal()+nEWK.getVal()+nQCD.getVal())/hPdfMet->Integral());
  TH1D *hMetDiff = makeDiffHist(hDataMet,hPdfMet,"hMetDiff");
  hMetDiff->SetMarkerStyle(kFullCircle);
  hMetDiff->SetMarkerSize(0.9);
   
  TH1D *hPdfMetp = (TH1D*)(pdfMetp.createHistogram("hPdfMetp", pfmet));
  hPdfMetp->Scale((nSigp.getVal()+nEWKp.getVal()+nQCDp.getVal())/hPdfMetp->Integral());
  TH1D *hMetpDiff = makeDiffHist(hDataMetp,hPdfMetp,"hMetpDiff");
  hMetpDiff->SetMarkerStyle(kFullCircle);
  hMetpDiff->SetMarkerSize(0.9);
    
  TH1D *hPdfMetm = (TH1D*)(pdfMetm.createHistogram("hPdfMetm", pfmet));
  hPdfMetm->Scale((nSigm.getVal()+nEWKm.getVal()+nQCDm.getVal())/hPdfMetm->Integral());
  TH1D *hMetmDiff = makeDiffHist(hDataMetm,hPdfMetm,"hMetmDiff");
  hMetmDiff->SetMarkerStyle(kFullCircle); 
  hMetmDiff->SetMarkerSize(0.9);
   
  TH1D *hPdfAntiMet = (TH1D*)(apdfMet.createHistogram("hPdfAntiMet", pfmet));
  hPdfAntiMet->Scale((nAntiSig.getVal()+nAntiEWK.getVal()+nAntiQCD.getVal())/hPdfAntiMet->Integral());
  TH1D *hAntiMetDiff = makeDiffHist(hAntiDataMet,hPdfAntiMet,"hAntiMetDiff");
  hAntiMetDiff->SetMarkerStyle(kFullCircle);
  hAntiMetDiff->SetMarkerSize(0.9);
   
  TH1D *hPdfAntiMetp = (TH1D*)(apdfMetp.createHistogram("hPdfAntiMetp", pfmet));
  hPdfAntiMetp->Scale((nAntiSigp.getVal()+nAntiEWKp.getVal()+nAntiQCDp.getVal())/hPdfAntiMetp->Integral());
  TH1D *hAntiMetpDiff = makeDiffHist(hAntiDataMetp,hPdfAntiMetp,"hAntiMetpDiff");
  hAntiMetpDiff->SetMarkerStyle(kFullCircle);
  hAntiMetpDiff->SetMarkerSize(0.9);
    
  TH1D *hPdfAntiMetm = (TH1D*)(apdfMetm.createHistogram("hPdfAntiMetm", pfmet));
  hPdfAntiMetm->Scale((nAntiSigm.getVal()+nAntiEWKm.getVal()+nAntiQCDm.getVal())/hPdfAntiMetm->Integral());
  TH1D *hAntiMetmDiff = makeDiffHist(hAntiDataMetm,hPdfAntiMetm,"hAntiMetmDiff");
  hAntiMetmDiff->SetMarkerStyle(kFullCircle); 
  hAntiMetmDiff->SetMarkerSize(0.9);
   
  
  //--------------------------------------------------------------------------------------------------------------
  // Make plots 
  //==============================================================================================================  
  
  TCanvas *c = MakeCanvas("c","c",800,800);
  c->Divide(1,2,0,0);
  c->cd(1)->SetPad(0,0.3,1.0,1.0);
  c->cd(1)->SetTopMargin(0.1);
  c->cd(1)->SetBottomMargin(0.01);
  c->cd(1)->SetLeftMargin(0.15);  
  c->cd(1)->SetRightMargin(0.07);  
  c->cd(1)->SetTickx(1);
  c->cd(1)->SetTicky(1);  
  c->cd(2)->SetPad(0,0,1.0,0.3);
  c->cd(2)->SetTopMargin(0.05);
  c->cd(2)->SetBottomMargin(0.45);
  c->cd(2)->SetLeftMargin(0.15);
  c->cd(2)->SetRightMargin(0.07);
  c->cd(2)->SetTickx(1);
  c->cd(2)->SetTicky(1);
  gStyle->SetTitleOffset(1.100,"Y");
  TGaxis::SetMaxDigits(3);
  
  char ylabel[100];  // string buffer for y-axis label
  
  // label for lumi
  char lumitext[100];
  if(lumi<0.1) sprintf(lumitext,"%.1f pb^{-1}  at  #sqrt{s} = 8 TeV",lumi*1000.);
  else         sprintf(lumitext,"%.2f fb^{-1}  at  #sqrt{s} = 8 TeV",lumi);
  
  // plot colors
  Int_t linecolorW   = kOrange-3;
  Int_t fillcolorW   = kOrange-2;
  Int_t linecolorEWK = kOrange+10;
  Int_t fillcolorEWK = kOrange+7;
  Int_t linecolorQCD = kViolet+2;
  Int_t fillcolorQCD = kViolet-5;
  Int_t ratioColor   = kGray+2;
  
  //
  // Dummy histograms for TLegend
  // (I can't figure out how to properly pass RooFit objects...)
  //
  TH1D *hDummyData = new TH1D("hDummyData","",0,0,10);
  hDummyData->SetMarkerStyle(kFullCircle);
  hDummyData->SetMarkerSize(0.9);
  
  TH1D *hDummyW = new TH1D("hDummyW","",0,0,10);
  hDummyW->SetLineColor(linecolorW);
  hDummyW->SetFillColor(fillcolorW);
  hDummyW->SetFillStyle(1001);
  
  TH1D *hDummyEWK = new TH1D("hDummyEWK","",0,0,10);
  hDummyEWK->SetLineColor(linecolorEWK);
  hDummyEWK->SetFillColor(fillcolorEWK);
  hDummyEWK->SetFillStyle(1001);
  
  TH1D *hDummyQCD = new TH1D("hDummyQCD","",0,0,10);
  hDummyQCD->SetLineColor(linecolorQCD);
  hDummyQCD->SetFillColor(fillcolorQCD);
  hDummyQCD->SetFillStyle(1001);
   
  //
  // W MET plot
  //
  RooPlot *wmframe = pfmet.frame(Bins(NBINS)); 
  wmframe->GetYaxis()->SetNdivisions(505);
  dataMet.plotOn(wmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMet.plotOn(wmframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMet.plotOn(wmframe,LineColor(linecolorW));
  pdfMet.plotOn(wmframe,Components(RooArgSet(pdfEWK,*(qcd.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMet.plotOn(wmframe,Components(RooArgSet(pdfEWK,*(qcd.model))),LineColor(linecolorEWK));
  pdfMet.plotOn(wmframe,Components(RooArgSet(*(qcd.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMet.plotOn(wmframe,Components(RooArgSet(*(qcd.model))),LineColor(linecolorQCD));
  pdfMet.plotOn(wmframe,Components(RooArgSet(pdfWm)),LineColor(linecolorW),LineStyle(2));
  dataMet.plotOn(wmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMet->GetBinWidth(1));
  CPlot plotMet("fitmet",wmframe,"","",ylabel);
  plotMet.SetLegend(0.68,0.57,0.93,0.77);
  plotMet.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMet.GetLegend()->AddEntry(hDummyW,"W#rightarrow#mu#nu","F");
  plotMet.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMet.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMet.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMet.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
  plotMet.SetYRange(0.1,1.1*(hDataMet->GetMaximum()));
  plotMet.Draw(c,kFALSE,format,1);

  CPlot plotMetDiff("fitmet","","#slash{E}_{T} [GeV]","#chi");
  plotMetDiff.AddHist1D(hMetDiff,"EX0",ratioColor);
  plotMetDiff.SetYRange(-8,8);
  plotMetDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetDiff.Draw(c,kTRUE,format,2);
  
  plotMet.SetName("fitmetlog");
  plotMet.SetLogy();
  plotMet.SetYRange(1e-3*(hDataMet->GetMaximum()),10*(hDataMet->GetMaximum()));
  plotMet.Draw(c,kTRUE,format,1);
    
  RooPlot *awmframe = pfmet.frame(Bins(NBINS));    
  antiMet.plotOn(awmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  apdfMet.plotOn(awmframe,FillColor(fillcolorW),DrawOption("F"));
  apdfMet.plotOn(awmframe,LineColor(linecolorW));
  apdfMet.plotOn(awmframe,Components(RooArgSet(apdfEWK,*(aqcd.model))),FillColor(fillcolorEWK),DrawOption("F"));
  apdfMet.plotOn(awmframe,Components(RooArgSet(apdfEWK,*(aqcd.model))),LineColor(linecolorEWK));
  apdfMet.plotOn(awmframe,Components(RooArgSet(*(aqcd.model))),FillColor(fillcolorQCD),DrawOption("F"));
  apdfMet.plotOn(awmframe,Components(RooArgSet(*(aqcd.model))),LineColor(linecolorQCD));
  apdfMet.plotOn(awmframe,Components(RooArgSet(apdfWm)),LineColor(linecolorW),LineStyle(2));
  antiMet.plotOn(awmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hAntiDataMet->GetBinWidth(1));
  CPlot plotAntiMet("fitantimet",awmframe,"","",ylabel);
  plotAntiMet.SetLegend(0.68,0.57,0.93,0.77);
  plotAntiMet.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotAntiMet.GetLegend()->AddEntry(hDummyW,"W#rightarrow#mu#nu","F");
  plotAntiMet.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotAntiMet.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotAntiMet.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotAntiMet.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
  plotAntiMet.SetYRange(0.1,1.1*(hAntiDataMet->GetMaximum())); 
  plotAntiMet.Draw(c,kFALSE,format,1);

  CPlot plotAntiMetDiff("fitantimet","","#slash{E}_{T} [GeV]","#chi");
  plotAntiMetDiff.AddHist1D(hMetDiff,"EX0",ratioColor);
  plotAntiMetDiff.SetYRange(-8,8);
  plotAntiMetDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotAntiMetDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotAntiMetDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotAntiMetDiff.Draw(c,kTRUE,format,2);
  
  plotAntiMet.SetName("fitantimetlog");
  plotAntiMet.SetLogy();
  plotAntiMet.SetYRange(1e-3*(hAntiDataMet->GetMaximum()),10*(hAntiDataMet->GetMaximum()));
  plotAntiMet.Draw(c,kTRUE,format,1);
    
  //
  // W+ MET plot
  //
  RooPlot *wmpframe = pfmet.frame(Bins(NBINS));
  wmpframe->GetYaxis()->SetNdivisions(505);
  dataMetp.plotOn(wmpframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMetp.plotOn(wmpframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMetp.plotOn(wmpframe,LineColor(linecolorW));
  pdfMetp.plotOn(wmpframe,Components(RooArgSet(pdfEWKp,*(qcdp.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMetp.plotOn(wmpframe,Components(RooArgSet(pdfEWKp,*(qcdp.model))),LineColor(linecolorEWK));
  pdfMetp.plotOn(wmpframe,Components(RooArgSet(*(qcdp.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMetp.plotOn(wmpframe,Components(RooArgSet(*(qcdp.model))),LineColor(linecolorQCD));
  pdfMetp.plotOn(wmpframe,Components(RooArgSet(pdfWmp)),LineColor(linecolorW),LineStyle(2));
  dataMetp.plotOn(wmpframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMetp->GetBinWidth(1));
  CPlot plotMetp("fitmetp",wmpframe,"","",ylabel);
  plotMetp.SetLegend(0.68,0.57,0.93,0.77);
  plotMetp.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMetp.GetLegend()->AddEntry(hDummyW,"W^{+}#rightarrow#mu^{+}#nu","F");
  plotMetp.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMetp.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMetp.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMetp.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
//  plotMetp.SetYRange(0.1,1.1*(hDataMetp->GetMaximum()));
plotMetp.SetYRange(0.1,4100);
  plotMetp.Draw(c,kFALSE,format,1);

  CPlot plotMetpDiff("fitmetp","","#slash{E}_{T} [GeV]","#chi");
  plotMetpDiff.AddHist1D(hMetpDiff,"EX0",ratioColor);
  plotMetpDiff.SetYRange(-8,8);
  plotMetpDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetpDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetpDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetpDiff.Draw(c,kTRUE,format,2);
  
  plotMetp.SetName("fitmetplog");
  plotMetp.SetLogy();
  plotMetp.SetYRange(1e-3*(hDataMetp->GetMaximum()),10*(hDataMetp->GetMaximum()));
  plotMetp.Draw(c,kTRUE,format,1);

  RooPlot *awmpframe = pfmet.frame(Bins(NBINS));    
  antiMetp.plotOn(awmpframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  apdfMetp.plotOn(awmpframe,FillColor(fillcolorW),DrawOption("F"));
  apdfMetp.plotOn(awmpframe,LineColor(linecolorW));
  apdfMetp.plotOn(awmpframe,Components(RooArgSet(apdfEWKp,*(aqcdp.model))),FillColor(fillcolorEWK),DrawOption("F"));
  apdfMetp.plotOn(awmpframe,Components(RooArgSet(apdfEWKp,*(aqcdp.model))),LineColor(linecolorEWK));
  apdfMetp.plotOn(awmpframe,Components(RooArgSet(*(aqcdp.model))),FillColor(fillcolorQCD),DrawOption("F"));
  apdfMetp.plotOn(awmpframe,Components(RooArgSet(*(aqcdp.model))),LineColor(linecolorQCD));
  apdfMetp.plotOn(awmpframe,Components(RooArgSet(apdfWmp)),LineColor(linecolorW),LineStyle(2));
  antiMetp.plotOn(awmpframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hAntiDataMetp->GetBinWidth(1));
  CPlot plotAntiMetp("fitantimetp",awmpframe,"","",ylabel);
  plotAntiMetp.SetLegend(0.68,0.57,0.93,0.77);
  plotAntiMetp.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotAntiMetp.GetLegend()->AddEntry(hDummyW,"W^{+}#rightarrow#mu^{+}#nu","F");
  plotAntiMetp.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotAntiMetp.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotAntiMetp.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotAntiMetp.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
//  plotAntiMetp.SetYRange(0.1,1.1*(hAntiDataMetp->GetMaximum()));
plotAntiMetp.SetYRange(0.1,1500);
  plotAntiMetp.Draw(c,kFALSE,format,1);

  CPlot plotAntiMetpDiff("fitantimetp","","#slash{E}_{T} [GeV]","#chi");
  plotAntiMetpDiff.AddHist1D(hAntiMetpDiff,"EX0",ratioColor);
  plotAntiMetpDiff.SetYRange(-8,8);
  plotAntiMetpDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotAntiMetpDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotAntiMetpDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotAntiMetpDiff.Draw(c,kTRUE,format,2);
  
  plotAntiMetp.SetName("fitantimetplog");
  plotAntiMetp.SetLogy();
  plotAntiMetp.SetYRange(1e-3*(hAntiDataMetp->GetMaximum()),10*(hAntiDataMetp->GetMaximum()));
  plotAntiMetp.Draw(c,kTRUE,format,1);
  
  //
  // W- MET plot
  //
  RooPlot *wmmframe = pfmet.frame(Bins(NBINS)); 
  wmmframe->GetYaxis()->SetNdivisions(505);
  dataMetm.plotOn(wmmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMetm.plotOn(wmmframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMetm.plotOn(wmmframe,LineColor(linecolorW));
  pdfMetm.plotOn(wmmframe,Components(RooArgSet(pdfEWKm,*(qcdm.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMetm.plotOn(wmmframe,Components(RooArgSet(pdfEWKm,*(qcdm.model))),LineColor(linecolorEWK));
  pdfMetm.plotOn(wmmframe,Components(RooArgSet(*(qcdm.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMetm.plotOn(wmmframe,Components(RooArgSet(*(qcdm.model))),LineColor(linecolorQCD));
  pdfMetm.plotOn(wmmframe,Components(RooArgSet(pdfWmm)),LineColor(linecolorW),LineStyle(2));
  dataMetm.plotOn(wmmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMetm->GetBinWidth(1));
  CPlot plotMetm("fitmetm",wmmframe,"","",ylabel);
  plotMetm.SetLegend(0.68,0.57,0.93,0.77);
  plotMetm.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMetm.GetLegend()->AddEntry(hDummyW,"W^{-}#rightarrow#mu^{-}#bar{#nu}","F");
  plotMetm.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMetm.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMetm.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMetm.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
//  plotMetm.SetYRange(0.1,1.1*(hDataMetm->GetMaximum()));
plotMetm.SetYRange(0.1,4100);
  plotMetm.Draw(c,kFALSE,format,1);

  CPlot plotMetmDiff("fitmetm","","#slash{E}_{T} [GeV]","#chi");
  plotMetmDiff.AddHist1D(hMetmDiff,"EX0",ratioColor);
  plotMetmDiff.SetYRange(-8,8);
  plotMetmDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetmDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetmDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetmDiff.Draw(c,kTRUE,format,2);
  
  plotMetm.SetName("fitmetmlog");
  plotMetm.SetLogy();
  plotMetm.SetYRange(1e-3*(hDataMetm->GetMaximum()),10*(hDataMetm->GetMaximum()));
  plotMetm.Draw(c,kTRUE,format,1);

  RooPlot *awmmframe = pfmet.frame(Bins(NBINS)); 
  antiMetm.plotOn(awmmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  apdfMetm.plotOn(awmmframe,FillColor(fillcolorW),DrawOption("F"));
  apdfMetm.plotOn(awmmframe,LineColor(linecolorW));
  apdfMetm.plotOn(awmmframe,Components(RooArgSet(apdfEWKm,*(aqcdm.model))),FillColor(fillcolorEWK),DrawOption("F"));
  apdfMetm.plotOn(awmmframe,Components(RooArgSet(apdfEWKm,*(aqcdm.model))),LineColor(linecolorEWK));
  apdfMetm.plotOn(awmmframe,Components(RooArgSet(*(aqcdm.model))),FillColor(fillcolorQCD),DrawOption("F"));
  apdfMetm.plotOn(awmmframe,Components(RooArgSet(*(aqcdm.model))),LineColor(linecolorQCD));
  apdfMetm.plotOn(awmmframe,Components(RooArgSet(apdfWmm)),LineColor(linecolorW),LineStyle(2));
  antiMetm.plotOn(awmmframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMetm->GetBinWidth(1));
  CPlot plotAntiMetm("fitantimetm",awmmframe,"","",ylabel);
  plotAntiMetm.SetLegend(0.68,0.57,0.93,0.77);
  plotAntiMetm.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotAntiMetm.GetLegend()->AddEntry(hDummyW,"W^{-}#rightarrow#mu^{-}#bar{#nu}","F");
  plotAntiMetm.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotAntiMetm.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotAntiMetm.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotAntiMetm.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
//  plotAntiMetm.SetYRange(0.1,1.1*(hAntiDataMetm->GetMaximum()));
plotAntiMetm.SetYRange(0.1,1500);
  plotAntiMetm.Draw(c,kFALSE,format,1);

  CPlot plotAntiMetmDiff("fitantimetm","","#slash{E}_{T} [GeV]","#chi");
  plotAntiMetmDiff.AddHist1D(hAntiMetmDiff,"EX0",ratioColor);
  plotAntiMetmDiff.SetYRange(-8,8);
  plotAntiMetmDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotAntiMetmDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotAntiMetmDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotAntiMetmDiff.Draw(c,kTRUE,format,2);
  
  plotAntiMetm.SetName("fitantimetmlog");
  plotAntiMetm.SetLogy();
  plotAntiMetm.SetYRange(1e-3*(hAntiDataMetm->GetMaximum()),10*(hAntiDataMetm->GetMaximum()));
  plotAntiMetm.Draw(c,kTRUE,format,1);

    
  //--------------------------------------------------------------------------------------------------------------
  // Output
  //==============================================================================================================
   
  cout << "*" << endl;
  cout << "* SUMMARY" << endl;
  cout << "*--------------------------------------------------" << endl;  
  
  //
  // Write fit results
  //
  ofstream txtfile;
  char txtfname[100];    
  
  ios_base::fmtflags flags;
  
  Double_t chi2prob, chi2ndf;
  Double_t ksprob, ksprobpe;
  
  chi2prob = hDataMet->Chi2Test(hPdfMet,"PUW");
  chi2ndf  = hDataMet->Chi2Test(hPdfMet,"CHI2/NDFUW");
  ksprob   = hDataMet->KolmogorovTest(hPdfMet);
  ksprobpe = hDataMet->KolmogorovTest(hPdfMet,"DX");
  sprintf(txtfname,"%s/fitresWm.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMet->Integral() << endl;
  txtfile << "  Signal: " << nSig.getVal() << " +/- " << nSig.getPropagatedError(*fitRes) << endl;
  txtfile << "     QCD: " << nQCD.getVal() << " +/- " << nQCD.getPropagatedError(*fitRes) << endl;
  txtfile << "   Other: " << nEWK.getVal() << " +/- " << nEWK.getPropagatedError(*fitRes) << endl;
  txtfile << endl;
  txtfile.flags(flags);
  
  fitRes->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitRes);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();
  
  chi2prob = hDataMetp->Chi2Test(hPdfMetp,"PUW");
  chi2ndf  = hDataMetp->Chi2Test(hPdfMetp,"CHI2/NDFUW");
  ksprob   = hDataMetp->KolmogorovTest(hPdfMetp);
  ksprobpe = hDataMetp->KolmogorovTest(hPdfMetp,"DX");  
  sprintf(txtfname,"%s/fitresWmp.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMetp->Integral() << endl;
  txtfile << "  Signal: " << nSigp.getVal() << " +/- " << nSigp.getPropagatedError(*fitResp) << endl;
  txtfile << "     QCD: " << nQCDp.getVal() << " +/- " << nQCDp.getPropagatedError(*fitResp) << endl;
  txtfile << "   Other: " << nEWKp.getVal() << " +/- " << nEWKp.getPropagatedError(*fitResp) << endl;
  txtfile << endl; 
  txtfile.flags(flags);
  
  fitResp->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitResp);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();

  chi2prob = hDataMetm->Chi2Test(hPdfMetm,"PUW");
  chi2ndf  = hDataMetm->Chi2Test(hPdfMetm,"CHI2/NDFUW");
  ksprob   = hDataMetm->KolmogorovTest(hPdfMetm);
  ksprobpe = hDataMetm->KolmogorovTest(hPdfMetm,"DX");  
  sprintf(txtfname,"%s/fitresWmm.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMetm->Integral() << endl;
  txtfile << "  Signal: " << nSigm.getVal() << " +/- " << nSigm.getPropagatedError(*fitResm) << endl;
  txtfile << "     QCD: " << nQCDm.getVal() << " +/- " << nQCDm.getPropagatedError(*fitResm) << endl;
  txtfile << "   Other: " << nEWKm.getVal() << " +/- " << nEWKm.getPropagatedError(*fitResm) << endl;
  txtfile << endl;
  txtfile.flags(flags);
  
  fitResm->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitResm);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();

  makeHTML(outputDir);
  
  cout << endl;
  cout << "  <> Output saved in " << outputDir << "/" << endl;    
  cout << endl;     
  
  gBenchmark->Show("fitWm");
}
示例#2
0
void drawMassFrom2DPlot(RooWorkspace& myws,   // Local workspace
                  string outputDir,     // Output directory
                  struct InputOpt opt,  // Variable with run information (kept for legacy purpose)
                  struct KinCuts cut,   // Variable with current kinematic cuts
                  map<string, string>  parIni,   // Variable containing all initial parameters
                  string plotLabel,     // The label used to define the output file name
                  // Select the type of datasets to fit
                  string DSTAG,         // Specifies the type of datasets: i.e, DATA, MCJPSINP, ...
                  bool isPbPb,          // Define if it is PbPb (True) or PP (False)
                  // Select the type of object to fit
                  bool incJpsi,         // Includes Jpsi model
                  bool incPsi2S,        // Includes Psi(2S) model
                  bool incBkg,          // Includes Background model                  
                  // Select the fitting options
                  // Select the drawing options
                  bool setLogScale,     // Draw plot with log scale
                  bool incSS,           // Include Same Sign data
                  double  binWidth,     // Bin width
                  bool paperStyle=false // if true, print less info
                  ) 
{

  RooMsgService::instance().getStream(0).removeTopic(Caching);  
  RooMsgService::instance().getStream(1).removeTopic(Caching);
  RooMsgService::instance().getStream(0).removeTopic(Plotting);
  RooMsgService::instance().getStream(1).removeTopic(Plotting);
  RooMsgService::instance().getStream(0).removeTopic(Integration);
  RooMsgService::instance().getStream(1).removeTopic(Integration);
  RooMsgService::instance().setGlobalKillBelow(RooFit::WARNING) ;
  
  if (DSTAG.find("_")!=std::string::npos) DSTAG.erase(DSTAG.find("_"));
  int nBins = min(int( round((cut.dMuon.M.Max - cut.dMuon.M.Min)/binWidth) ), 1000);
  
  string pdfTotName  = Form("pdfCTAUMASS_Tot_%s", (isPbPb?"PbPb":"PP"));
  string pdfJpsiPRName  = Form("pdfCTAUMASS_JpsiPR_%s", (isPbPb?"PbPb":"PP"));
  string pdfJpsiNoPRName  = Form("pdfCTAUMASS_JpsiNoPR_%s", (isPbPb?"PbPb":"PP"));
  string pdfPsi2SPRName  = Form("pdfCTAUMASS_Psi2SPR_%s", (isPbPb?"PbPb":"PP"));
  string pdfPsi2SNoPRName  = Form("pdfCTAUMASS_Psi2SNoPR_%s", (isPbPb?"PbPb":"PP"));
  string dsOSName = Form("dOS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));
  string dsOSNameCut = dsOSName+"_CTAUCUT";
  string dsSSName = Form("dSS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));

  bool isWeighted = myws.data(dsOSName.c_str())->isWeighted();
  bool isMC = (DSTAG.find("MC")!=std::string::npos);

  double normDSTot   = 1.0;  if (myws.data(dsOSNameCut.c_str()))  { normDSTot   = myws.data(dsOSName.c_str())->sumEntries()/myws.data(dsOSNameCut.c_str())->sumEntries();  }
  
  // Create the main plot of the fit
  RooPlot*   frame     = myws.var("invMass")->frame(Bins(nBins), Range(cut.dMuon.M.Min, cut.dMuon.M.Max));
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));

 
  if (paperStyle) TGaxis::SetMaxDigits(3); // to display powers of 10
 
  myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("BKG"),Components(RooArgSet(*myws.pdf(Form("pdfMASS_Bkg_%s", (isPbPb?"PbPb":"PP"))))),
                                       FillStyle(paperStyle ? 0 : 1001), FillColor(kAzure-9), VLines(), DrawOption("LCF"), LineColor(kBlue), LineStyle(kDashed)
                                       );
  if (!paperStyle) {
    if (incJpsi) {
      if ( myws.pdf(Form("pdfCTAUMASS_JpsiPR_%s", (isPbPb?"PbPb":"PP"))) ) {
        myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("JPSIPR"),Components(RooArgSet(*myws.pdf(Form("pdfCTAUMASS_JpsiPR_%s", (isPbPb?"PbPb":"PP"))), *myws.pdf(Form("pdfCTAUMASS_Bkg_%s", (isPbPb?"PbPb":"PP"))))),
                                             ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                             Normalization(normDSTot, RooAbsReal::NumEvent),
                                             LineColor(kRed+3), LineStyle(1), Precision(1e-4), NumCPU(32)
                                             );
      }
      if ( myws.pdf(Form("pdfCTAUMASS_JpsiNoPR_%s", (isPbPb?"PbPb":"PP"))) ) {
        myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("JPSINOPR"),Components(RooArgSet(*myws.pdf(Form("pdfCTAUMASS_JpsiNoPR_%s", (isPbPb?"PbPb":"PP"))), *myws.pdf(Form("pdfCTAUMASS_Bkg_%s", (isPbPb?"PbPb":"PP"))))),
                                             ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                             Normalization(normDSTot, RooAbsReal::NumEvent),
                                             LineColor(kGreen+3), LineStyle(1), Precision(1e-4), NumCPU(32)
                                             );
      }
    }
    if (incPsi2S) {
      if ( myws.pdf(Form("pdfCTAUMASS_Psi2SPR_%s", (isPbPb?"PbPb":"PP"))) ) {
        myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PSI2SPR"),Components(RooArgSet(*myws.pdf(Form("pdfCTAUMASS_Psi2SPR_%s", (isPbPb?"PbPb":"PP"))))),
                                             ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                             Normalization(normDSTot, RooAbsReal::NumEvent),
                                             LineColor(kRed+3), LineStyle(1), Precision(1e-4), NumCPU(32)
                                             );
      }
      if ( myws.pdf(Form("pdfCTAUMASS_Psi2SNoPR_%s", (isPbPb?"PbPb":"PP"))) ) {
        myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PSI2SNOPR"),Components(RooArgSet(*myws.pdf(Form("pdfCTAUMASS_Psi2SNoPR_%s", (isPbPb?"PbPb":"PP"))))),
                                             ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                             Normalization(normDSTot, RooAbsReal::NumEvent),
                                             LineColor(kGreen+3), LineStyle(1), Precision(1e-4), NumCPU(32)
                                             );
      }      
    } 
  }
  if (incSS) { 
    myws.data(dsSSName.c_str())->plotOn(frame, Name("dSS"), MarkerColor(kRed), LineColor(kRed), MarkerSize(1.2)); 
  }
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));
  myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PDF"),
                                       ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                       Normalization(normDSTot, RooAbsReal::NumEvent),
                                       LineColor(kBlack), NumCPU(32)
                                       );
  
  // Create the pull distribution of the fit 
  RooPlot* frameTMP = (RooPlot*)frame->Clone("TMP");
  int nBinsTMP = nBins;
  RooHist *hpull = frameTMP->pullHist(0, 0, true);
  hpull->SetName("hpull");
  RooPlot* frame2 = myws.var("invMass")->frame(Title("Pull Distribution"), Bins(nBins), Range(cut.dMuon.M.Min, cut.dMuon.M.Max));
  frame2->addPlotable(hpull, "PX"); 
  
  // set the CMS style
  setTDRStyle();
  
  // Create the main canvas
  TCanvas *cFig  = new TCanvas(Form("cMassFig_%s", (isPbPb?"PbPb":"PP")), "cMassFig",800,800);
  TPad    *pad1  = new TPad(Form("pad1_%s", (isPbPb?"PbPb":"PP")),"",0,paperStyle ? 0 : 0.23,1,1);
  TPad    *pad2  = new TPad(Form("pad2_%s", (isPbPb?"PbPb":"PP")),"",0,0,1,.228);
  TLine   *pline = new TLine(cut.dMuon.M.Min, 0.0, cut.dMuon.M.Max, 0.0);
  
  // TPad *pad4 = new TPad("pad4","This is pad4",0.55,0.46,0.97,0.87);
  TPad *pad4 = new TPad("pad4","This is pad4",0.55,paperStyle ? 0.29 : 0.36,0.97,paperStyle ? 0.70 : 0.77);
  pad4->SetFillStyle(0);
  pad4->SetLeftMargin(0.28);
  pad4->SetRightMargin(0.10);
  pad4->SetBottomMargin(0.21);
  pad4->SetTopMargin(0.072);

  frame->SetTitle("");
  frame->GetXaxis()->CenterTitle(kTRUE);
  if (!paperStyle) {
     frame->GetXaxis()->SetTitle("");
     frame->GetXaxis()->SetTitleSize(0.045);
     frame->GetXaxis()->SetTitleFont(42);
     frame->GetXaxis()->SetTitleOffset(3);
     frame->GetXaxis()->SetLabelOffset(3);
     frame->GetYaxis()->SetLabelSize(0.04);
     frame->GetYaxis()->SetTitleSize(0.04);
     frame->GetYaxis()->SetTitleOffset(1.7);
     frame->GetYaxis()->SetTitleFont(42);
  } else {
     frame->GetXaxis()->SetTitle("m_{#mu^{+}#mu^{-}} (GeV/c^{2})");
     frame->GetXaxis()->SetTitleOffset(1.1);
     frame->GetYaxis()->SetTitleOffset(1.45);
     frame->GetXaxis()->SetTitleSize(0.05);
     frame->GetYaxis()->SetTitleSize(0.05);
  }
  setMassFrom2DRange(myws, frame, dsOSName, setLogScale);
  if (paperStyle) {
     double Ydown = 0.;//frame->GetMinimum();
     double Yup = 0.9*frame->GetMaximum();
     frame->GetYaxis()->SetRangeUser(Ydown,Yup);
  }
 
  cFig->cd();
  pad2->SetTopMargin(0.02);
  pad2->SetBottomMargin(0.4);
  pad2->SetFillStyle(4000); 
  pad2->SetFrameFillStyle(4000); 
  if (!paperStyle) pad1->SetBottomMargin(0.015); 
  //plot fit
  pad1->Draw();
  pad1->cd(); 
  frame->Draw();

  printMassFrom2DParameters(myws, pad1, isPbPb, pdfTotName, isWeighted);
  pad1->SetLogy(setLogScale);

  // Drawing the text in the plot
  TLatex *t = new TLatex(); t->SetNDC(); t->SetTextSize(0.032);
  float dy = 0; 
  
  t->SetTextSize(0.03);
  if (!paperStyle) { // do not print selection details for paper style
     t->DrawLatex(0.20, 0.86-dy, "2015 HI Soft Muon ID"); dy+=0.045;
     if (isPbPb) {
        t->DrawLatex(0.20, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=2.0*0.045;
     } else {
        t->DrawLatex(0.20, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=2.0*0.045;
     } 
  }
  if (cut.dMuon.AbsRap.Min>0.1) {t->DrawLatex(0.5175, 0.86-dy, Form("%.1f < |y^{#mu#mu}| < %.1f",cut.dMuon.AbsRap.Min,cut.dMuon.AbsRap.Max)); dy+=0.045;}
  else {t->DrawLatex(0.5175, 0.86-dy, Form("|y^{#mu#mu}| < %.1f",cut.dMuon.AbsRap.Max)); dy+=0.045;}
  t->DrawLatex(0.5175, 0.86-dy, Form("%g < p_{T}^{#mu#mu} < %g GeV/c",cut.dMuon.Pt.Min,cut.dMuon.Pt.Max)); dy+=0.045;
  if (isPbPb) {t->DrawLatex(0.5175, 0.86-dy, Form("Cent. %d-%d%%", (int)(cut.Centrality.Start/2), (int)(cut.Centrality.End/2))); dy+=0.045;}

  // Drawing the Legend
  double ymin = 0.7602;
  if (incPsi2S && incJpsi && incSS)  { ymin = 0.7202; } 
  if (incPsi2S && incJpsi && !incSS) { ymin = 0.7452; }
  if (paperStyle) { ymin = 0.72; }
  TLegend* leg = new TLegend(0.5175, ymin, 0.7180, 0.8809); leg->SetTextSize(0.03);
  if (frame->findObject("dOS")) { leg->AddEntry(frame->findObject("dOS"), (incSS?"Opposite Charge":"Data"),"pe"); }
  if (incSS) { leg->AddEntry(frame->findObject("dSS"),"Same Charge","pe"); }
  if (frame->findObject("PDF")) { leg->AddEntry(frame->findObject("PDF"),"Total fit","l"); }
  if (frame->findObject("JPSIPR")) { leg->AddEntry(frame->findObject("JPSIPR"),"Prompt J/#psi","l"); }
  if (frame->findObject("JPSINOPR")) { leg->AddEntry(frame->findObject("JPSINOPR"),"Non-Prompt J/#psi","l"); }
  if (incBkg && frame->findObject("BKG")) { leg->AddEntry(frame->findObject("BKG"),"Background",paperStyle ? "l" : "fl"); }
  leg->Draw("same");

  //Drawing the title
  TString label;
  if (isPbPb) {
    if (opt.PbPb.RunNb.Start==opt.PbPb.RunNb.End){
      label = Form("PbPb Run %d", opt.PbPb.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PbPb", "HIOniaL1DoubleMu0", opt.PbPb.RunNb.Start, opt.PbPb.RunNb.End);
    }
  } else {
    if (opt.pp.RunNb.Start==opt.pp.RunNb.End){
      label = Form("PP Run %d", opt.pp.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PP", "DoubleMu0", opt.pp.RunNb.Start, opt.pp.RunNb.End);
    }
  }
  
  // CMS_lumi(pad1, isPbPb ? 105 : 104, 33, label);
  CMS_lumi(pad1, isPbPb ? 108 : 107, 33, "");
  if (!paperStyle) gStyle->SetTitleFontSize(0.05);
  
  pad1->Update();
  cFig->cd(); 

  if (!paperStyle) {
     //---plot pull
     pad2->Draw();
     pad2->cd();

     frame2->SetTitle("");
     frame2->GetYaxis()->CenterTitle(kTRUE);
     frame2->GetYaxis()->SetTitleOffset(0.4);
     frame2->GetYaxis()->SetTitleSize(0.1);
     frame2->GetYaxis()->SetLabelSize(0.1);
     frame2->GetYaxis()->SetTitle("Pull");
     frame2->GetXaxis()->CenterTitle(kTRUE);
     frame2->GetXaxis()->SetTitleOffset(1);
     frame2->GetXaxis()->SetTitleSize(0.12);
     frame2->GetXaxis()->SetLabelSize(0.1);
     frame2->GetXaxis()->SetTitle("m_{#mu^{+}#mu^{-}} (GeV/c^{2})");
     frame2->GetYaxis()->SetRangeUser(-7.0, 7.0);

     frame2->Draw(); 

     // *** Print chi2/ndof 
     printChi2(myws, pad2, frameTMP, "invMass", dsOSName.c_str(), pdfTotName.c_str(), nBinsTMP, false);

     pline->Draw("same");
     pad2->Update();
  }

  // Save the plot in different formats
  gSystem->mkdir(Form("%sctauMass/%s/plot/root/", outputDir.c_str(), DSTAG.c_str()), kTRUE); 
  cFig->SaveAs(Form("%sctauMass/%s/plot/root/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.root", outputDir.c_str(), DSTAG.c_str(), "MASS", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%sctauMass/%s/plot/png/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%sctauMass/%s/plot/png/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.png", outputDir.c_str(), DSTAG.c_str(), "MASS", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%sctauMass/%s/plot/pdf/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%sctauMass/%s/plot/pdf/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.pdf", outputDir.c_str(), DSTAG.c_str(), "MASS", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  
  cFig->Clear();
  cFig->Close();
};
示例#3
0
int scaleSmearFit(TString RDFile, TString MCFile, char BaseName[30])
{
  cout<<"Processing "<<BaseName<<endl;
  gStyle->SetPalette(1);
  //Data and histograms
  TFile *f_RD = new TFile(RDFile);
  TFile *f_MC = new TFile(MCFile);
  TH1D *h1_ZmassDaughEtaRD = (TH1D*)f_RD->Get("h1_ZmassDaughEtaRD")->Clone();
  TH1D *h1_ZmassDaughEtaMC[ScaleBins][ScaleBins];
  //Variables
  char histName[30];
  RooRealVar zMass("zMass","zMass",60,120);
  RooRealVar *nMC;
  RooRealVar nBRD("nBRD","nBRD",5,2000);
  RooRealVar nSRD("nSRD","nSRD",1000,0,20000);
  RooRealVar nBMC("nBMC","nBMC",5,2000);
  RooRealVar nSMC("nSMC","nSMC",1000,0,20000);
  RooPlot *zmassframe;
  RooPlot *zmassframeMC;
  CPlot *plotFit;
  CPlot *plotFitMC;
  //zMass.setBins(50);
  RooFitResult* fitRes;
  RooFitResult* fitResMC;
  TCanvas *myCan = MakeCanvas("myCan","myCan",800,600);
  RooDataHist *ZmassMC;
  //RooHistPdf *pdfMC;
  RooAddPdf *pdfMC;
  RooAddPdf* pdfRD;
  //RD fitting
  RooDataHist *ZmassRD =
    new RooDataHist("ZmassRD","ZmassRD", RooArgSet(zMass),h1_ZmassDaughEtaRD);
  //CBreitWignerConvCrystalBall ZsignalPdf("ZsigPdf",zMass);
  //pdfRD=new RooAddPdf("pdfRD","pdfRD",RooArgList(*(ZsignalPdf.model)),RooArgList(nRD));
  CVoigtian     ZsigRD("ZsigRD",zMass);
  CErfExpo ZbgRD("ZbgRD",zMass);
  //CQuadraticExp ZbgRD("ZbgRD",zMass);
  pdfRD=new RooAddPdf("pdfRD","pdfRD",RooArgList(*(ZsigRD.model),*(ZbgRD.model)),RooArgList(nSRD,nBRD));
  pdfRD=new RooAddPdf("pdfRD","pdfRD",RooArgList(*(ZsigRD.model),*(ZbgRD.model)),RooArgList(nSRD,nBRD));
  fitRes=pdfRD->fitTo(*ZmassRD,Extended(),Minos(kTRUE),Save(kTRUE));
  //fitRes=ZsignalPdf.model->fitTo(*ZmassRD,Minos(kTRUE),Save(kTRUE));
  zmassframe=zMass.frame(Bins(60));
  ZmassRD->plotOn(zmassframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("zp"));
  //ZsignalPdf.model->plotOn(zmassframe,LineColor(kBlue),DrawOption("l"));
  pdfRD->plotOn(zmassframe,LineColor(kBlack),DrawOption("l"));
  pdfRD->plotOn(zmassframe,Components(RooArgSet(*(ZsigRD.model))),LineColor(kBlue),DrawOption("l"));
  pdfRD->plotOn(zmassframe,Components(RooArgSet(*(ZbgRD.model))),LineColor(kRed),DrawOption("l"));
  sprintf(histName,"ZmassRD_%s",BaseName);
  plotFit = new CPlot(histName,zmassframe,"","","Z mass");
  plotFit->setOutDir("Plot");
  plotFit->Draw(myCan,kTRUE,"png");

  //CErfExpo *pdfZbg;
  //double nLL[41][41];

  //                                 90 0.004
  double ScaleWidth = (ScaleH-ScaleL)/(ScaleBins-1);
  double SmearWidth = (SmearH-SmearL)/(ScaleBins-1);
  sprintf(histName,"h2_NLL_%s",BaseName);
  TH2D *h2_NLL = new TH2D(histName,histName,
      ScaleBins,ScaleL-ScaleWidth/2,ScaleH+ScaleWidth/2,
      ScaleBins,SmearL-SmearWidth/2,SmearH+SmearWidth/2);
  //TH2D *h2_NLL = new TH2D("h2_NLL","NLL",41,0.97,1.05,41,0.5,1.5);
  double x,prob;
  //RooAbsReal *nll;
  double nll;
  double binContent;
  //***
  CVoigtian ZsigMC("ZsigMC",zMass);
  RooArgSet allArgset(zMass);
  RooArgSet anaVar;
  //for(int i(0);i<=0;i++)for(int j(0);j<=0;j++)
  for(int i(0);i<=ScaleBins-1;i++)for(int j(0);j<=ScaleBins-1;j++)
  {
    sprintf(histName,"h1_ZmassDaughEta_%d_%d",i,j);
    h1_ZmassDaughEtaMC[i][j] = (TH1D*)f_MC->Get(histName)->Clone(histName);
    ZmassMC =
      new RooDataHist("ZmassMC","ZmassMC",RooArgSet(zMass),h1_ZmassDaughEtaMC[i][j]);
    //                                               interpolation order
    //pdfMC =new RooHistPdf ("pdfMC", "pdfMC", zMass,*ZmassMC, 1);
    //Using fitting MC
    nSMC.setVal(285);
    ZsigMC.mass->setVal(91.37);
    ZsigMC.sigma->setVal(0.42);
    ZsigMC.width->setVal(4.4);
    pdfMC = new RooAddPdf("pdfMC","pdfMC",RooArgList(*(ZsigMC.model)),RooArgList(nSMC));
    fitResMC = pdfMC->fitTo(*ZmassMC,Extended(),Minos(kTRUE),Save(kTRUE),SumW2Error(kTRUE));//SumW2Error(kTRUE) default

    nll=0;
    //nll= h1_ZmassDaughEtaMC[i][j]->Chi2Test(h1_ZmassDaughEtaRD,"CHI2/NDF");
    // code 1000 dataHist sum
    int intCode = pdfMC->getAnalyticalIntegral(allArgset,anaVar);
    double norm = pdfMC->analyticalIntegral(intCode);
    cout<<"norm: code "<<norm<<" : "<<intCode<<"======================"<<endl;
    //double totalProb(0);
    //****
    for(int k(1);k<=60;k++)
    {
      x=h1_ZmassDaughEtaMC[i][j]->GetBinCenter(k);
    //  binContent = h1_ZmassDaughEtaRD->GetBinContent(k);
      //binContent = h1_ZmassDaughEtaMC[i][j]->GetBinContent(k);
      zMass=x;
      //prob = ZsignalPdf.model->evaluate();
      binContent = ZsigRD.model->evaluate()*(120-60)/60.*nSRD.getVal();
      prob = pdfMC->evaluate()*(120-60)/60.;
      //cout<<"binCont, prob "<<binContent<<" "<<prob<<endl;
      //totalProb +=prob;
      nll+=-binContent*log(prob);
      //cout<<" x: prob "<<x<<"  "<<prob<<endl;
    }
    h2_NLL->SetBinContent(i+1,j+1,nll);
    /***/
    //
    //
    if( j==0 || j==int(ScaleBins/2)|| j==(ScaleBins-1) )
    {
      //RD MCpdf RDpdf Plot
      zmassframe =zMass.frame(Bins(60));
      ZmassRD->plotOn(zmassframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("zp"));
      pdfRD->plotOn(zmassframe,LineColor(kBlack));
      pdfMC->plotOn(zmassframe,LineColor(kBlue));
      //pdfRD->plotOn(zmassframe,Components(RooArgSet(*(pdfZbg->model))),LineColor(kRed));
      sprintf(histName,"Zmass_%s_%d_%d",BaseName,i,j);
      plotFit = new CPlot(histName,zmassframe,"","","Z mass");
      plotFit->SetLegend(0.68,0.57,0.93,0.8);
      plotFit->GetLegend()->AddEntry(pdfRD,"RD","f");
      plotFit->GetLegend()->AddEntry(pdfMC,"MC","f");
      plotFit->setOutDir("Plot");
      plotFit->Draw(myCan,kTRUE,"png");
      //MC MCPdf Plot
      zmassframeMC = zMass.frame(Bins(60));
      ZmassMC->plotOn(zmassframeMC,LineColor(kBlue),DrawOption("p"));
      pdfMC->plotOn(zmassframeMC,LineColor(kBlue),DrawOption("l"));
      sprintf(histName,"ZmassMC_%s_%d_%d",BaseName,i,j);
      plotFitMC = new CPlot(histName,zmassframeMC,"","","Z mass MC");
      plotFitMC->setOutDir("Plot");
      plotFitMC->Draw(myCan,kTRUE,"png");
    }
  }
  //====
  //Plot
  //====
  //Zmass----------
  //CPlot *plotZmassRD=new CPlot("plotZmassRD","","zMass","Event");
  //plotZmassRD->setOutDir("Plot");
  //plotZmassRD->AddHist1D(h1_ZmassDaughEtaRD,"",kBlack);
  //plotZmassRD->SetLegend(0.68,0.57,0.93,0.8);
  //plotZmassRD->GetLegend()->AddEntry(h1_ZmassDaughEtaRD,"RD Ele","l");
  //plotZmassRD->AddTextBox("both lepton at the |Eta|<0.4",0.65,0.80,0.99,0.86,0);
  //plotZmassRD->Draw(myCan,kTRUE,"png");
  //NLL------------
  sprintf(histName,"plotNLL_%s",BaseName);
  CPlot *plotNll=new CPlot(histName,"","Scale","Smear");
  plotNll->setOutDir("Plot");
  //plotNll->AddHist2D(h2_NLL,"COLZ",kWhite,kBlack);
  plotNll->AddHist2D(h2_NLL,"SURF3",kWhite,kBlack);
  plotNll->Draw(myCan,kTRUE,"png");
  //****/
  return 0;
}
示例#4
0
void MEPdfPartialB::DrawDeltaE(RooDataSet* ds){
  mbc->setRange("mbcSignal",cuts->get_mbc_min_h0(m_mode,m_h0mode),cuts->get_mbc_max_h0(m_mode,m_h0mode));
  RooPlot* deFrame = de->frame();
  ds->plotOn(deFrame,DataError(RooAbsData::SumW2),MarkerSize(1),MarkerColor(kGreen));
  pdf_part->plotOn(deFrame,LineWidth(2),LineColor(kGreen));
  ds->plotOn(deFrame,DataError(RooAbsData::SumW2),MarkerSize(1),CutRange("mbcSignal"));
  pdf_part->plotOn(deFrame,LineWidth(2),ProjectionRange("mbcSignal"));

  RooHist* hdepull = deFrame->pullHist();
  RooPlot* dePull = de->frame(Title("#Delta E pull distribution"));
  dePull->addPlotable(hdepull,"P");
  dePull->GetYaxis()->SetRangeUser(-5,5);

  TCanvas* cm = new TCanvas("Delta E","Delta E",600,700);
  cm->cd();

  TPad *pad3 = new TPad("pad3","pad3",0.01,0.20,0.99,0.99);
  TPad *pad4 = new TPad("pad4","pad4",0.01,0.01,0.99,0.20);
  pad3->Draw();
  pad4->Draw();

  pad3->cd();
  pad3->SetLeftMargin(0.15);
  pad3->SetFillColor(0);

  deFrame->GetXaxis()->SetTitleSize(0.05);
  deFrame->GetXaxis()->SetTitleOffset(0.85);
  deFrame->GetXaxis()->SetLabelSize(0.04);
  deFrame->GetYaxis()->SetTitleOffset(1.6);
  deFrame->Draw();

  stringstream out;
  out.str("");
  out << "#chi^{2}/n.d.f = " << deFrame->chiSquare();
  TPaveText *pt = new TPaveText(0.6,0.75,0.98,0.9,"brNDC");
  pt->SetFillColor(0);
  pt->SetTextAlign(12);
  pt->AddText(out.str().c_str());
  pt->AddText(cuts->GetLabel(m_mode,m_h0mode).c_str());
  pt->Draw();

  TLine *de_line_RIGHT = new TLine(cuts->get_de_min_h0(m_mode,m_h0mode),0,cuts->get_de_min_h0(m_mode,m_h0mode),80);
  de_line_RIGHT->SetLineColor(kRed);
  de_line_RIGHT->SetLineStyle(1);
  de_line_RIGHT->SetLineWidth((Width_t)2.);
  de_line_RIGHT->Draw();
  TLine *de_line_LEFT = new TLine(cuts->get_de_max_h0(m_mode,m_h0mode),0,cuts->get_de_max_h0(m_mode,m_h0mode),80);
  de_line_LEFT->SetLineColor(kRed);
  de_line_LEFT->SetLineStyle(1);
  de_line_LEFT->SetLineWidth((Width_t)2.);
  de_line_LEFT->Draw();

  pad4->cd(); pad4->SetLeftMargin(0.15); pad4->SetFillColor(0);
  dePull->SetMarkerSize(0.05); dePull->Draw();
  TLine *de_lineUP = new TLine(cuts->get_de_fit_min(),3,cuts->get_de_fit_max(),3);
  de_lineUP->SetLineColor(kBlue);
  de_lineUP->SetLineStyle(2);
  de_lineUP->Draw();
  TLine *de_line = new TLine(cuts->get_de_fit_min(),0,cuts->get_de_fit_max(),0);
  de_line->SetLineColor(kBlue);
  de_line->SetLineStyle(1);
  de_line->SetLineWidth((Width_t)2.);
  de_line->Draw();
  TLine *de_lineDOWN = new TLine(cuts->get_de_fit_min(),-3,cuts->get_de_fit_max(),-3);
  de_lineDOWN->SetLineColor(kBlue);
  de_lineDOWN->SetLineStyle(2);
  de_lineDOWN->Draw();

  cm->Update();
  out.str("");
  out << "pics/de_part_m" << m_mode << "_h0m" << m_h0mode << ".eps";
  cm->Print(out.str().c_str());
  string line = string("evince ") + out.str() + string(" &");
  system(line.c_str());
  out.str("");
  out << "pics/de_part_m" << m_mode << "_h0m" << m_h0mode << ".root";
  cm->Print(out.str().c_str());
}
示例#5
0
void MuScale() {

    //--------------------------------------------------------------------------------------------------------------
    // Settings
    //==============================================================================================================

    // event category enumeration
    enum { eMuMu2HLT=1, eMuMu1HLT1L1, eMuMu1HLT, eMuMuNoSel, eMuSta, eMuTrk };  // event category enum

    TString outputDir = "MuScaleResults";

    vector<TString> infilenamev;
    infilenamev.push_back("/afs/cern.ch/work/c/cmedlock/public/wz-ntuples/Zmumu/ntuples/data_select.trkCuts.root"); // data
    infilenamev.push_back("/afs/cern.ch/work/c/cmedlock/public/wz-ntuples/Zmumu/ntuples/zmm_select.raw.trkCuts.root");  // MC

    const Double_t MASS_LOW  = 60;
    const Double_t MASS_HIGH = 120;
    const Double_t PT_CUT    = 25;
    const Double_t ETA_CUT   = 2.4;
    const Double_t MU_MASS   = 0.105658369;

    vector<pair<Double_t,Double_t> > scEta_limits;
    scEta_limits.push_back(make_pair(0.0,1.2));
    scEta_limits.push_back(make_pair(1.2,2.1));
    scEta_limits.push_back(make_pair(2.1,2.4));

    CPlot::sOutDir = outputDir;

    const TString format("png");

    //--------------------------------------------------------------------------------------------------------------
    // Main analysis code
    //==============================================================================================================

    enum { eData=0, eMC };

    char hname[100];
    vector<TH1D*> hMCv, hDatav;
    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        for(UInt_t jbin=ibin; jbin<scEta_limits.size(); jbin++) {
            sprintf(hname,"mc_%i_%i",ibin,jbin);
            hMCv.push_back(new TH1D(hname,"",80,MASS_LOW,MASS_HIGH));
            hMCv.back()->Sumw2();

            sprintf(hname,"data_%i_%i",ibin,jbin);
            hDatav.push_back(new TH1D(hname,"",80,MASS_LOW,MASS_HIGH));
            hDatav.back()->Sumw2();
        }
    }

    //
    // Declare output ntuple variables
    //
    UInt_t  runNum, lumiSec, evtNum;
    Float_t scale1fb, puWeight;
    UInt_t  matchGen;
    UInt_t  category;
    UInt_t  npv, npu;
    Int_t   q1, q2;
    TLorentzVector *dilep=0, *lep1=0, *lep2=0;

    for(UInt_t ifile=0; ifile<infilenamev.size(); ifile++) {
        cout << "Processing " << infilenamev[ifile] << "..." << endl;
        TFile *infile = TFile::Open(infilenamev[ifile]);
        assert(infile);
        TTree *intree = (TTree*)infile->Get("Events");
        assert(intree);

        intree->SetBranchAddress("runNum",   &runNum);    // event run number
        intree->SetBranchAddress("lumiSec",  &lumiSec);   // event lumi section
        intree->SetBranchAddress("evtNum",   &evtNum);    // event number
        intree->SetBranchAddress("scale1fb", &scale1fb);  // event weight
        intree->SetBranchAddress("puWeight", &puWeight);  // pileup reweighting
        intree->SetBranchAddress("matchGen", &matchGen);  // event has both leptons matched to MC Z->ll
        intree->SetBranchAddress("category", &category);  // dilepton category
        intree->SetBranchAddress("npv",      &npv);	      // number of primary vertices
        intree->SetBranchAddress("npu",      &npu);	      // number of in-time PU events (MC)
        intree->SetBranchAddress("q1",       &q1);	      // charge of lead lepton
        intree->SetBranchAddress("q2",       &q2);	      // charge of trail lepton
        intree->SetBranchAddress("dilep",    &dilep);     // dilepton 4-vector
        intree->SetBranchAddress("lep1",     &lep1);      // lead lepton 4-vector
        intree->SetBranchAddress("lep2",     &lep2);      // trail lepton 4-vector

        for(UInt_t ientry=0; ientry<intree->GetEntries(); ientry++) {
            intree->GetEntry(ientry);

            Double_t weight = 1;
            if(ifile==eMC) {
                //if(!matchGen) continue;
                weight=scale1fb*puWeight*1.1*TMath::Power(10,7)/5610.0;
            }

            if((category!=eMuMu2HLT) && (category!=eMuMu1HLT) && (category!=eMuMu1HLT1L1)) continue;
            if(q1 == q2) continue;
            if(dilep->M()	   < MASS_LOW)  continue;
            if(dilep->M()	   > MASS_HIGH) continue;
            if(lep1->Pt()	   < PT_CUT)    continue;
            if(lep2->Pt()	   < PT_CUT)    continue;
            if(fabs(lep1->Eta()) > ETA_CUT)   continue;
            if(fabs(lep2->Eta()) > ETA_CUT)   continue;

            TLorentzVector vLep1(0,0,0,0);
            TLorentzVector vLep2(0,0,0,0);

            vLep1.SetPtEtaPhiM(lep1->Pt(), lep1->Eta(), lep1->Phi(), MU_MASS);
            vLep2.SetPtEtaPhiM(lep2->Pt(), lep2->Eta(), lep2->Phi(), MU_MASS);

            TLorentzVector vDilep = vLep1 + vLep2;

            Int_t bin1=-1, bin2=-1;
            for(UInt_t i=0; i<scEta_limits.size(); i++) {
                Double_t etalow  = scEta_limits.at(i).first;
                Double_t etahigh = scEta_limits.at(i).second;
                if(fabs(lep1->Eta())>=etalow && fabs(lep1->Eta())<=etahigh) bin1=i;
                if(fabs(lep2->Eta())>=etalow && fabs(lep2->Eta())<=etahigh) bin2=i;
            }
            assert(bin1>=0);
            assert(bin2>=0);
            Int_t ibin= (bin1<=bin2) ? bin1 : bin2;
            Int_t jbin= (bin1<=bin2) ? bin2 : bin1;

            UInt_t n=jbin-ibin;
            for(Int_t k=0; k<ibin; k++)
                n+=(scEta_limits.size()-k);

            if(ifile==eData) hDatav[n]->Fill(vDilep.M(),weight);
            if(ifile==eMC)   hMCv[n]->Fill(vDilep.M(),weight);
        }

        delete infile;
        infile=0, intree=0;
    }

    //
    // Fit for energy scale and resolution corrections
    //
    char vname[100];  // buffer for RooFit object names

    char pname[100];
    char str1[100];
    char str2[100];
    TCanvas *c = MakeCanvas("c","c",800,600);

    // Dummy histograms for TLegend (I can't figure out how to properly pass RooFit objects...)
    TH1D *hDummyData = new TH1D("hDummyData","",0,0,10);
    hDummyData->SetMarkerStyle(kFullCircle);
    hDummyData->SetMarkerSize(0.9);
    TH1D *hDummyMC = new TH1D("hDummyMC","",0,0,10);
    hDummyMC->SetLineColor(kBlue);
    hDummyMC->SetFillColor(kBlue);
    hDummyMC->SetFillStyle(3002);
    TH1D *hDummyFit = new TH1D("hDummyFit","",0,0,10);
    hDummyFit->SetLineColor(kGreen+2);

    RooRealVar mass("mass","M_{#mu#mu}",60.0,120.0,"GeV") ;
    mass.setBins(1600,"cache");

    RooRealVar massmc("massmc","massmc",0.0,150.0,"GeV");  // mass variable for building MC template

    RooCategory zscEta_cat("zscEta_cat","zscEta_cat");
    RooSimultaneous combscalefit("combscalefit","combscalefit",zscEta_cat);

    map<string,TH1*> hmap;  // Mapping of category labels and data histograms

    RooArgList scalebins;   // List of RooRealVars storing per bin energy scale corrections
    RooArgList sigmabins;   // List of RooRealVars storing per bin energy resolution corrections
    Int_t intOrder = 1;     // Interpolation order for
    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        sprintf(vname,"scale_%i",ibin);
        RooRealVar *scalebinned = new RooRealVar(vname,vname,1.0,0.5,1.5);
        scalebins.add(*scalebinned);

        sprintf(vname,"sigma_%i",ibin);
        RooRealVar *sigmabinned = new RooRealVar(vname,vname,1.0,0.0,2.0);
        sigmabins.add(*sigmabinned);
    }

    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        for(UInt_t jbin=ibin; jbin<scEta_limits.size(); jbin++) {
            UInt_t n=jbin-ibin;
            for(UInt_t k=0; k<ibin; k++)
                n+=(scEta_limits.size()-k);

            sprintf(vname,"masslinearshifted_%i_%i",ibin,jbin);
            RooFormulaVar *masslinearshifted = new RooFormulaVar(vname,vname,"sqrt(@0*@1)",RooArgList(*scalebins.at(ibin),*scalebins.at(jbin)));

            sprintf(vname,"massshiftedscEta_%i_%i",ibin,jbin);
            RooLinearVar *massshiftedscEta = new RooLinearVar(vname,vname,mass,*masslinearshifted,RooConst(0.0));

            // MC-based template
            sprintf(vname,"zmassmcscEta_%i_%i",ibin,jbin);
            RooDataHist *zmassmcscEta = new RooDataHist(vname,vname,RooArgList(massmc),hMCv[n]);
            sprintf(vname,"masstemplatescEta_%i_%i",ibin,jbin);
            RooHistPdf *masstemplatescEta = new RooHistPdf(vname,vname,RooArgList(*massshiftedscEta),RooArgList(massmc),*zmassmcscEta,intOrder);

            // Gaussian smearing function
            sprintf(vname,"sigmascEta_%i_%i",ibin,jbin);
            RooFormulaVar *sigmascEta = new RooFormulaVar(vname,vname,"sqrt(@0*@0+@1*@1)",RooArgList(*sigmabins.at(ibin),*sigmabins.at(jbin)));
            sprintf(vname,"resscEta_%i_%i",ibin,jbin);
            RooGaussian *resscEta = new RooGaussian(vname,vname,mass,RooConst(0.),*sigmascEta);

            // Fit model: MC-template convoluted with Gaussian
            sprintf(vname,"fftscEta_%i_%i",ibin,jbin);
            RooFFTConvPdf *fftscEta = new RooFFTConvPdf(vname,vname,mass,*masstemplatescEta,*resscEta);
            fftscEta->setBufferStrategy(RooFFTConvPdf::Flat);

            // Add bin as a category
            char zscEta_catname[100];
            sprintf(zscEta_catname,"zscEta_cat_%i_%i",ibin,jbin);
            zscEta_cat.defineType(zscEta_catname);
            zscEta_cat.setLabel(zscEta_catname);
            hmap.insert(pair<string,TH1*>(zscEta_catname,hDatav[n]));
            combscalefit.addPdf(*fftscEta,zscEta_catname);
        }
    }

    // perform fit
    RooDataHist zdatascEta_comb("zdatascEta_comb","zdatascEta_comb",RooArgList(mass),zscEta_cat,hmap,1.0);
    combscalefit.fitTo(zdatascEta_comb,PrintEvalErrors(kFALSE),Minos(kFALSE),Strategy(0),Minimizer("Minuit2",""));

    Double_t xval[scEta_limits.size()];
    Double_t xerr[scEta_limits.size()];
    Double_t scaleDatatoMC[scEta_limits.size()];
    Double_t scaleDatatoMCerr[scEta_limits.size()];
    Double_t scaleMCtoData[scEta_limits.size()];
    Double_t scaleMCtoDataerr[scEta_limits.size()];
    Double_t sigmaMCtoData[scEta_limits.size()];
    Double_t sigmaMCtoDataerr[scEta_limits.size()];

    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        Double_t etalow  = scEta_limits.at(ibin).first;
        Double_t etahigh = scEta_limits.at(ibin).second;

        xval[ibin] = 0.5*(etahigh+etalow);
        xerr[ibin] = 0.5*(etahigh-etalow);

        scaleDatatoMC[ibin]    = ((RooRealVar*)scalebins.at(ibin))->getVal();
        scaleDatatoMCerr[ibin] = ((RooRealVar*)scalebins.at(ibin))->getError();

        scaleMCtoData[ibin]    = 1.0/scaleDatatoMC[ibin];
        scaleMCtoDataerr[ibin] = scaleDatatoMCerr[ibin]/scaleDatatoMC[ibin]/scaleDatatoMC[ibin];

        sigmaMCtoData[ibin]    = ((RooRealVar*)sigmabins.at(ibin))->getVal();
        sigmaMCtoDataerr[ibin] = ((RooRealVar*)sigmabins.at(ibin))->getError();
    }
    TGraphErrors *grScaleDatatoMC = new TGraphErrors(scEta_limits.size(),xval,scaleDatatoMC,xerr,scaleDatatoMCerr);
    TGraphErrors *grScaleMCtoData = new TGraphErrors(scEta_limits.size(),xval,scaleMCtoData,xerr,scaleMCtoDataerr);
    TGraphErrors *grSigmaMCtoData = new TGraphErrors(scEta_limits.size(),xval,sigmaMCtoData,xerr,sigmaMCtoDataerr);

    CPlot plotScale1("mu_scale_datatomc","","Muon |#eta|","Data scale correction");
    plotScale1.AddGraph(grScaleDatatoMC,"",kBlue);
    plotScale1.SetYRange(0.98,1.02);
    plotScale1.AddLine(0,1,2.5,1,kBlack,7);
    plotScale1.Draw(c,kTRUE,format);

    CPlot plotScale2("mu_scale_mctodata","","Muon |#eta|","MC#rightarrowData scale correction");
    plotScale2.AddGraph(grScaleMCtoData,"",kBlue);
    plotScale2.SetYRange(0.98,1.02);
    plotScale2.AddLine(0,1,2.5,1,kBlack,7);
    plotScale2.Draw(c,kTRUE,format);

    CPlot plotRes("mu_res_mctodata","","Muon |#eta|","MC#rightarrowData additional smear [GeV]");
    plotRes.AddGraph(grSigmaMCtoData,"",kBlue);
    plotRes.SetYRange(0,1.6);
    plotRes.Draw(c,kTRUE,format);

    double nData=0;

    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        for(UInt_t jbin=ibin; jbin<scEta_limits.size(); jbin++) {
            UInt_t n=jbin-ibin;
            for(UInt_t k=0; k<ibin; k++)
                n+=(scEta_limits.size()-k);

            // Post-fit plot
            RooPlot *frame = mass.frame();
            char catname[100];
            sprintf(catname,"zscEta_cat_%i_%i",ibin,jbin);
            char cutstr[100];
            sprintf(cutstr,"zscEta_cat==zscEta_cat::%s",catname);
            RooDataHist zmc(catname,catname,RooArgList(mass),hMCv[n]);
            RooHistPdf mctemplate(catname,catname,RooArgList(mass),zmc,intOrder);
            //mctemplate.plotOn(frame,LineColor(kBlue),LineWidth(1),Normalization(hDatav[n]->GetEntries()));
            mctemplate.plotOn(frame,LineColor(kBlue),LineWidth(1),Normalization(hDatav[n]->Integral()));
            //mctemplate.plotOn(frame,LineColor(kBlue),FillColor(kBlue),FillStyle(3002),DrawOption("F"),Normalization(hDatav[n]->GetEntries()));
            mctemplate.plotOn(frame,LineColor(kBlue),FillColor(kBlue),FillStyle(3002),DrawOption("F"),Normalization(hDatav[n]->Integral()));
            zdatascEta_comb.plotOn(frame,Cut(cutstr),MarkerStyle(kFullCircle),MarkerSize(1.0),DrawOption("ZP"));
            combscalefit.plotOn(frame,Slice(zscEta_cat,catname),ProjWData(RooArgSet(mass,catname),zdatascEta_comb),
                                LineColor(kGreen+2));
            sprintf(pname,"postfit_%i_%i",ibin,jbin);
            sprintf(str1,"[%.1f, %.1f]",scEta_limits.at(ibin).first,scEta_limits.at(ibin).second);
            sprintf(str2,"[%.1f, %.1f]",scEta_limits.at(jbin).first,scEta_limits.at(jbin).second);
            CPlot plot(pname,frame,"","m(#mu^{+}#mu^{-}) [GeV/c^{2}]","Events / 0.6 GeV/c^{2}");
            plot.AddTextBox(str1,0.21,0.80,0.45,0.87,0,kBlack,-1);
            plot.AddTextBox(str2,0.21,0.73,0.45,0.80,0,kBlack,-1);
            plot.SetLegend(0.75,0.64,0.93,0.88);
            plot.GetLegend()->AddEntry(hDummyData,"Data","PL");
            plot.GetLegend()->AddEntry(hDummyMC,"Sim","FL");
            plot.GetLegend()->AddEntry(hDummyFit,"Fit","L");
            plot.Draw(c,kTRUE,format);

            nData += hDatav[n]->Integral();
        }
    }

    cout<<"nData = "<<nData<<endl;
    //--------------------------------------------------------------------------------------------------------------
    // Output
    //==============================================================================================================

    cout << "*" << endl;
    cout << "* SUMMARY" << endl;
    cout << "*--------------------------------------------------" << endl;
    cout << endl;

    ofstream txtfile;
    char txtfname[100];
    sprintf(txtfname,"%s/summary.txt",outputDir.Data());
    txtfile.open(txtfname);
    assert(txtfile.is_open());
    txtfile << "  Data->MC scale correction" << endl;
    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        Double_t etalow  = scEta_limits.at(ibin).first;
        Double_t etahigh = scEta_limits.at(ibin).second;
        txtfile << "$" << etalow << " < |\\eta| < " << etahigh << "$ & ";
        txtfile << "$" << ((RooRealVar*)scalebins.at(ibin))->getVal() << "$ \\pm $" << ((RooRealVar*)scalebins.at(ibin))->getError() << "$ \\\\" << endl;
    }
    txtfile << endl;
    txtfile << "  MC->Data resolution correction [GeV]" << endl;
    for(UInt_t ibin=0; ibin<scEta_limits.size(); ibin++) {
        Double_t etalow  = scEta_limits.at(ibin).first;
        Double_t etahigh = scEta_limits.at(ibin).second;
        txtfile << etalow << " < |\\eta| < " << etahigh << " & ";
        txtfile << "$" << ((RooRealVar*)sigmabins.at(ibin))->getVal() << "$ \\pm $" << ((RooRealVar*)sigmabins.at(ibin))->getError() << "$ \\\\" << endl;
    }
    txtfile.close();

    cout << endl;
    cout << "  <> Output saved in " << outputDir << "/" << endl;
    cout << endl;

}
示例#6
0
void drawCtauFrom2DPlot(RooWorkspace& myws,   // Local workspace
                        string outputDir,     // Output directory
                        struct InputOpt opt,  // Variable with run information (kept for legacy purpose)
                        struct KinCuts cut,   // Variable with current kinematic cuts
                        map<string, string>  parIni,   // Variable containing all initial parameters
                        string plotLabel,     // The label used to define the output file name
                        // Select the type of datasets to fit
                        string DSTAG,         // Specifies the type of datasets: i.e, DATA, MCJPSINP, ...
                        bool isPbPb,          // Define if it is PbPb (True) or PP (False)
                        // Select the type of object to fit
                        bool incJpsi,         // Includes Jpsi model
                        bool incPsi2S,        // Includes Psi(2S) model
                        bool incBkg,          // Includes Background model     
                        // Select the fitting options
                        // Select the drawing options
                        bool setLogScale,     // Draw plot with log scale
                        bool incSS,           // Include Same Sign data
                        double binWidth       // Bin width
                        ) 
{

  RooMsgService::instance().getStream(0).removeTopic(Caching);  
  RooMsgService::instance().getStream(1).removeTopic(Caching);
  RooMsgService::instance().getStream(0).removeTopic(Plotting);
  RooMsgService::instance().getStream(1).removeTopic(Plotting);
  RooMsgService::instance().getStream(0).removeTopic(Integration);
  RooMsgService::instance().getStream(1).removeTopic(Integration);
  RooMsgService::instance().setGlobalKillBelow(RooFit::WARNING) ;

  if (DSTAG.find("_")!=std::string::npos) DSTAG.erase(DSTAG.find("_"));

  string pdfTotName  = Form("pdfCTAUMASS_Tot_%s", (isPbPb?"PbPb":"PP"));
  string dsOSName = Form("dOS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));
  string dsOSNameCut = dsOSName+"_CTAUCUT";
  string hOSName = Form("dhCTAUERRTot_Tot_%s", (isPbPb?"PbPb":"PP"));
  string hOSNameBkg  = Form("dhCTAUERR_Bkg_%s", (isPbPb?"PbPb":"PP"));
  string hOSNameJpsi = Form("dhCTAUERR_Jpsi_%s", (isPbPb?"PbPb":"PP"));
  string hOSNamePsi2S = Form("dhCTAUERR_Psi2S_%s", (isPbPb?"PbPb":"PP"));
  string dsSSName = Form("dSS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));

  bool isWeighted = myws.data(dsOSName.c_str())->isWeighted();
  vector<double> range; range.push_back(cut.dMuon.ctau.Min); range.push_back(cut.dMuon.ctau.Max);

  double minRange = -4.0;
  double maxRange = 7.0;
  Double_t outTot = myws.data(dsOSName.c_str())->numEntries();
  Double_t outErr = myws.data(dsOSName.c_str())->reduce(Form("(ctau>%.6f || ctau<%.6f)", range[1], range[0]))->numEntries();
  int nBins = min(int( round((maxRange - minRange)/binWidth) ), 1000);

  double normDSTot   = 1.0;  if (myws.data(dsOSNameCut.c_str()))  { normDSTot   = myws.data(dsOSName.c_str())->sumEntries()/myws.data(dsOSNameCut.c_str())->sumEntries();  }
  double normJpsi  = 1.0;  if (myws.data(hOSNameJpsi.c_str()))  { normJpsi  = myws.data(dsOSName.c_str())->sumEntries()*normDSTot/myws.data(hOSNameJpsi.c_str())->sumEntries();  }
  double normPsi2S = 1.0;  if (myws.data(hOSNamePsi2S.c_str())) { normPsi2S = myws.data(dsOSName.c_str())->sumEntries()*normDSTot/myws.data(hOSNamePsi2S.c_str())->sumEntries(); }
  double normBkg   = 1.0;  if (myws.data(hOSNameBkg.c_str()))   { normBkg   = myws.data(dsOSName.c_str())->sumEntries()*normDSTot/myws.data(hOSNameBkg.c_str())->sumEntries();   }
  double normTot   = 1.0;  if (myws.data(hOSName.c_str()))  { normTot   = myws.data(dsOSName.c_str())->sumEntries()*normDSTot/myws.data(hOSName.c_str())->sumEntries();  }

  // Create the main plot of the fit
  RooPlot*   frame     = myws.var("ctau")->frame(Bins(nBins), Range(minRange, maxRange));
  frame->updateNormVars(RooArgSet(*myws.var("invMass"), *myws.var("ctau"), *myws.var("ctauErr"))) ;
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));
  
  myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PDF"),
                                       ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSNameCut.c_str()), kTRUE),
                                       Normalization(normDSTot, RooAbsReal::NumEvent),
                                       FillStyle(1001), FillColor(kViolet+6), VLines(), DrawOption("LF"), NumCPU(32), LineColor(kBlack)
                                       );
  myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("BKG"),Components(RooArgSet( *myws.pdf(Form("pdfCTAUMASS_Bkg_%s", (isPbPb?"PbPb":"PP"))) )),
                                       ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                       Normalization(normDSTot, RooAbsReal::NumEvent),
                                       FillStyle(1001), FillColor(kAzure-9), VLines(), DrawOption("LF"), NumCPU(32)
                                       );
  if (incJpsi) {
    myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("JPSIPR"),Components(RooArgSet( *myws.pdf(Form("pdfCTAUMASS_JpsiPR_%s", (isPbPb?"PbPb":"PP"))) )),
                                         ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                         Normalization(normDSTot, RooAbsReal::NumEvent),
                                         LineColor(kRed+3), Precision(1e-5), NumCPU(32)
                                         );
    myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("JPSINOPR"),Components(RooArgSet( *myws.pdf(Form("pdfCTAUMASS_JpsiNoPR_%s", (isPbPb?"PbPb":"PP"))) )),
                                         ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                         Normalization(normDSTot, RooAbsReal::NumEvent),
                                         LineColor(kGreen+3), Precision(1e-5), NumCPU(32)
                                         );
  }
  if (incPsi2S) {
    myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PSI2SPR"),Components(RooArgSet( *myws.pdf(Form("pdfCTAUMASS_Psi2SPR_%s", (isPbPb?"PbPb":"PP"))) )),
                                         ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                         Normalization(normDSTot, RooAbsReal::NumEvent),
                                         LineColor(kRed+3), Precision(1e-5), NumCPU(32)
                                         );
    myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PSI2SNOPR"),Components(RooArgSet( *myws.pdf(Form("pdfCTAUMASS_Psi2SNo_%s", (isPbPb?"PbPb":"PP"))) )),
                                         ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSName.c_str()), kTRUE),
                                         Normalization(normDSTot, RooAbsReal::NumEvent),
                                         LineColor(kGreen+3), Precision(1e-5), NumCPU(32)
                                         );
  }  
  if (incSS) { 
    myws.data(dsSSName.c_str())->plotOn(frame, Name("dSS"), MarkerColor(kRed), LineColor(kRed), MarkerSize(1.2)); 
  }
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));
  myws.pdf(pdfTotName.c_str())->plotOn(frame,Name("PDFLINE"),
                                       ProjWData(RooArgSet(*myws.var("ctauErr")), *myws.data(dsOSNameCut.c_str()), kTRUE),
                                       Normalization(normDSTot, RooAbsReal::NumEvent), 
                                       LineColor(kBlack), NumCPU(32)
                                       );
  
  
  // set the CMS style
  setTDRStyle();

  // Create the pull distribution of the fit 
  RooHist *hpull = frame->pullHist(0, "PDF", true);
  hpull->SetName("hpull");
  RooPlot* frame2 = myws.var("ctau")->frame(Title("Pull Distribution"), Bins(nBins), Range(minRange, maxRange));
  frame2->addPlotable(hpull, "PX"); 
  
  // Create the main canvas
  TCanvas *cFig  = new TCanvas(Form("cCtauFig_%s", (isPbPb?"PbPb":"PP")), "cCtauFig",800,800);
  TPad    *pad1  = new TPad(Form("pad1_%s", (isPbPb?"PbPb":"PP")),"",0,0.23,1,1);
  TPad    *pad2  = new TPad(Form("pad2_%s", (isPbPb?"PbPb":"PP")),"",0,0,1,.228);
  TLine   *pline = new TLine(minRange, 0.0, maxRange, 0.0);
  
  TPad *pad4 = new TPad("pad4","This is pad4",0.55,0.46,0.97,0.87);
  pad4->SetFillStyle(0);
  pad4->SetLeftMargin(0.28);
  pad4->SetRightMargin(0.10);
  pad4->SetBottomMargin(0.21);
  pad4->SetTopMargin(0.072);

  frame->SetTitle("");
  frame->GetXaxis()->SetTitle("");
  frame->GetXaxis()->CenterTitle(kTRUE);
  frame->GetXaxis()->SetTitleSize(0.045);
  frame->GetXaxis()->SetTitleFont(42);
  frame->GetXaxis()->SetTitleOffset(3);
  frame->GetXaxis()->SetLabelOffset(3);
  frame->GetYaxis()->SetLabelSize(0.04);
  frame->GetYaxis()->SetTitleSize(0.04);
  frame->GetYaxis()->SetTitleOffset(1.7);
  frame->GetYaxis()->SetTitleFont(42);
  setCtauFrom2DRange(myws, frame, dsOSNameCut, setLogScale, range, outErr);
 
  cFig->cd();
  pad2->SetTopMargin(0.02);
  pad2->SetBottomMargin(0.4);
  pad2->SetFillStyle(4000); 
  pad2->SetFrameFillStyle(4000); 
  pad1->SetBottomMargin(0.015); 
  //plot fit
  pad1->Draw();
  pad1->cd(); 
  frame->Draw();

  printCtauFrom2DParameters(myws, pad1, isPbPb, pdfTotName, isWeighted);
  pad1->SetLogy(setLogScale);

  // Drawing the text in the plot
  TLatex *t = new TLatex(); t->SetNDC(); t->SetTextSize(0.032);
  float dy = 0; 
  
  t->SetTextSize(0.03);
  t->DrawLatex(0.21, 0.86-dy, "2015 HI Soft Muon ID"); dy+=0.045;
  if (isPbPb) {
    t->DrawLatex(0.21, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=0.045;
  } else {
    t->DrawLatex(0.21, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=0.045;
  } 
  t->DrawLatex(0.21, 0.86-dy, Form("%.1f #leq p_{T}^{#mu#mu} < %.1f GeV/c",cut.dMuon.Pt.Min,cut.dMuon.Pt.Max)); dy+=0.045;
  t->DrawLatex(0.21, 0.86-dy, Form("%.1f #leq |y^{#mu#mu}| < %.1f",cut.dMuon.AbsRap.Min,cut.dMuon.AbsRap.Max)); dy+=0.045;
  if (isPbPb) {t->DrawLatex(0.21, 0.86-dy, Form("Cent. %d-%d%%", (int)(cut.Centrality.Start/2), (int)(cut.Centrality.End/2))); dy+=0.045;}
  if (outErr>0.0) {
    t->DrawLatex(0.21, 0.86-dy, Form("Excl: (%.4f%%) %.0f evts", (outErr*100.0/outTot), outErr)); dy+=1.5*0.045;
  }

  // Drawing the Legend
  double ymin = 0.7602;
  if (incPsi2S && incJpsi && incSS)  { ymin = 0.7202; } 
  if (incPsi2S && incJpsi && !incSS) { ymin = 0.7452; }
  TLegend* leg = new TLegend(0.5175, ymin, 0.7180, 0.8809); leg->SetTextSize(0.03);
  leg->AddEntry(frame->findObject("dOS"), (incSS?"Opposite Charge":"Data"),"pe");
  if (incSS) { leg->AddEntry(frame->findObject("dSS"),"Same Charge","pe"); }
  if(frame->findObject("PDF")) { leg->AddEntry(frame->findObject("PDF"),"Total fit","fl"); }
  if((incBkg && (incJpsi || incPsi2S)) && frame->findObject("BKG")) { leg->AddEntry(frame->findObject("BKG"),"Background","fl");  }
  if(incBkg && incJpsi && frame->findObject("JPSIPR")) { leg->AddEntry(frame->findObject("JPSIPR"),"J/#psi Prompt","l"); }
  if(incBkg && incJpsi && frame->findObject("JPSINOPR")) { leg->AddEntry(frame->findObject("JPSINOPR"),"J/#psi Non-Prompt","l"); }
  if(incBkg && incPsi2S && frame->findObject("PSI2SPR")) { leg->AddEntry(frame->findObject("PSI2SPR"),"#psi(2S) Prompt","l"); }
  if(incBkg && incPsi2S && frame->findObject("PSI2SNOPR")) { leg->AddEntry(frame->findObject("PSI2SNOPR"),"#psi(2S) Non-Prompt","l"); }
  leg->Draw("same");

  //Drawing the title
  TString label;
  if (isPbPb) {
    if (opt.PbPb.RunNb.Start==opt.PbPb.RunNb.End){
      label = Form("PbPb Run %d", opt.PbPb.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PbPb", "HIOniaL1DoubleMu0", opt.PbPb.RunNb.Start, opt.PbPb.RunNb.End);
    }
  } else {
    if (opt.pp.RunNb.Start==opt.pp.RunNb.End){
      label = Form("PP Run %d", opt.pp.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PP", "DoubleMu0", opt.pp.RunNb.Start, opt.pp.RunNb.End);
    }
  }
  
  //CMS_lumi(pad1, isPbPb ? 105 : 104, 33, label);
  CMS_lumi(pad1, isPbPb ? 108 : 107, 33, "");
  gStyle->SetTitleFontSize(0.05);
  
  pad1->Update();
  cFig->cd(); 

  //---plot pull
  pad2->Draw();
  pad2->cd();
    
  frame2->SetTitle("");
  frame2->GetYaxis()->CenterTitle(kTRUE);
  frame2->GetYaxis()->SetTitleOffset(0.4);
  frame2->GetYaxis()->SetTitleSize(0.1);
  frame2->GetYaxis()->SetLabelSize(0.1);
  frame2->GetYaxis()->SetTitle("Pull");
  frame2->GetXaxis()->CenterTitle(kTRUE);
  frame2->GetXaxis()->SetTitleOffset(1);
  frame2->GetXaxis()->SetTitleSize(0.12);
  frame2->GetXaxis()->SetLabelSize(0.1);
  frame2->GetXaxis()->SetTitle("#font[12]{l}_{J/#psi} (mm)");
  frame2->GetYaxis()->SetRangeUser(-7.0, 7.0);

  frame2->Draw(); 
  
  // *** Print chi2/ndof 
  printChi2(myws, pad2, frame, "ctau", dsOSName.c_str(), pdfTotName.c_str(), nBins, false);
  
  pline->Draw("same");
  pad2->Update();
  
  // Save the plot in different formats
  gSystem->mkdir(Form("%sctauMass/%s/plot/root/", outputDir.c_str(), DSTAG.c_str()), kTRUE); 
  cFig->SaveAs(Form("%sctauMass/%s/plot/root/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.root", outputDir.c_str(), DSTAG.c_str(), "CTAU", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%sctauMass/%s/plot/png/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%sctauMass/%s/plot/png/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.png", outputDir.c_str(), DSTAG.c_str(), "CTAU", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%sctauMass/%s/plot/pdf/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%sctauMass/%s/plot/pdf/PLOT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.pdf", outputDir.c_str(), DSTAG.c_str(), "CTAU", DSTAG.c_str(), (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  

  cFig->Clear();
  cFig->Close();

}
示例#7
0
void fit2015(
             TString FileName ="/afs/cern.ch/user/a/anstahll/work/public/ExpressStream2015/ppData/OniaTree_262163_262328.root", 
             int  oniamode  = 2,        // oniamode-> 3: Z,  2: Upsilon and 1: J/Psi
             bool isData    = true,     // isData = false for MC, true for Data
             bool isPbPb    = false,    // isPbPb = false for pp, true for PbPb
	     bool doFit = false ,
             bool inExcStat = true      // if inExcStat is true, then the excited states are fitted
             ) {

  InputOpt opt;
  SetOptions(&opt, isData, isPbPb, oniamode,inExcStat);

  if (isPbPb) {
    FileName = "/afs/cern.ch/user/a/anstahll/work/public/ExpressStream2015/PbPbData/OniaTree_262548_262893.root";
  } else {
    FileName = "/afs/cern.ch/user/a/anstahll/work/public/ExpressStream2015/ppData/OniaTree_262163_262328.root";
  }
    
  int nbins = 1; //ceil((opt.dMuon->M->Max - opt.dMuon->M->Min)/binw);
  if (oniamode==1){
    nbins = 140;
  } else if (oniamode==2) {
    nbins = 70; 
  } else if (oniamode==3) {
    nbins = 40;
  } 
 
  RooWorkspace myws;
  TH1F* hDataOS =  new TH1F("hDataOS","hDataOS", nbins, opt.dMuon.M.Min, opt.dMuon.M.Max);
  makeWorkspace2015(myws, FileName, opt, hDataOS);

  RooRealVar* mass      = (RooRealVar*) myws.var("invariantMass"); 
  RooDataSet* dataOS_fit = (RooDataSet*) myws.data("dataOS");
  RooDataSet* dataSS_fit = (RooDataSet*) myws.data("dataSS");
  RooAbsPdf*  pdf = NULL;

  if (oniamode==3) { doFit=false; }
  if (doFit) {
    int sigModel=0, bkgModel=0;  
    if (isData) {
      if (oniamode==1){
        sigModel = inExcStat ? 2 : 3;
        bkgModel = 1;
      } else {
        sigModel = inExcStat ? 1 : 3; // gaussian   
        bkgModel = 2;
      }      
    } else {
      if (oniamode==1){
        sigModel = inExcStat ? 2 : 3; // gaussian   
        bkgModel = 2;
      } else {
        sigModel = inExcStat ? 2 : 3; // gaussian   
        bkgModel = 3;
      }
    }

    if (opt.oniaMode==1) buildModelJpsi2015(myws, sigModel, bkgModel,inExcStat);
    else if (opt.oniaMode==2) buildModelUpsi2015(myws, sigModel, bkgModel,inExcStat);

    pdf       =(RooAbsPdf*)  myws.pdf("pdf");
    RooFitResult* fitObject = pdf->fitTo(*dataOS_fit,Save(),Hesse(kTRUE),Extended(kTRUE)); // Fit
  }

  RooPlot* frame = mass->frame(Bins(nbins),Range(opt.dMuon.M.Min, opt.dMuon.M.Max));  
  RooPlot* frame2 = NULL;
  dataSS_fit->plotOn(frame, Name("dataSS_FIT"), MarkerColor(kRed), LineColor(kRed), MarkerSize(1.2)); 
  dataOS_fit->plotOn(frame, Name("dataOS_FIT"), MarkerColor(kBlue), LineColor(kBlue), MarkerSize(1.2));
  

  if (doFit) {
     pdf->plotOn(frame,Name("thePdf"),Normalization(dataOS_fit->sumEntries(),RooAbsReal::NumEvent));
     RooHist *hpull = frame -> pullHist(0,0,true);
     hpull -> SetName("hpull");
     frame2 = mass->frame(Title("Pull Distribution"),Bins(nbins),Range(opt.dMuon.M.Min,opt.dMuon.M.Max));
     frame2 -> addPlotable(hpull,"PX");  
     } 
  drawPlot(frame,frame2, pdf, opt, doFit,inExcStat);

  TString OutputFileName = "";
  if (isPbPb) {
    FileName = "/afs/cern.ch/user/a/anstahll/work/public/ExpressStream2015/PbPbData/OniaTree_262548_262893.root";
    opt.RunNb.Start=262548;
    opt.RunNb.End=262893;
    if (oniamode==1) {OutputFileName = (TString)("JPSIPbPbDataset.root");}
    if (oniamode==2) {OutputFileName = (TString)("YPbPbDataset.root");}
    if (oniamode==3) {OutputFileName = (TString)("ZPbPbDataset.root");}
  } else {
    FileName = "/afs/cern.ch/user/a/anstahll/work/public/ExpressStream2015/ppData/OniaTree_262163_262328.root";
    opt.RunNb.Start=262163;
    opt.RunNb.End=262328;
    if (oniamode==1) {OutputFileName = (TString)("JPSIppDataset.root");}
    if (oniamode==2) {OutputFileName = (TString)("YppDataset.root");}
    if (oniamode==3) {OutputFileName = (TString)("ZppDataset.root");}
  }
  
  TFile* oFile =  new TFile(OutputFileName,"RECREATE");
  oFile->cd();
  hDataOS->Write("hDataOS");
  dataOS_fit->Write("dataOS_FIT");
  oFile->Write();
  oFile->Close();

}
示例#8
0
void fitWe(const TString  outputDir="test",   // output directory
           const Double_t lumi=18.7,        // integrated luminosity (/fb)
	   const Int_t    Ecm=8,         // center-of-mass energy
	   const Int_t    doPU=1         // option for PU-reweighting
) {
  gBenchmark->Start("fitWe");

  //--------------------------------------------------------------------------------------------------------------
  // Settings 
  //==============================================================================================================   
  
  // MET histogram binning and range
  const Int_t    NBINS  = 50;
  const Double_t METMAX = 100;

  const Double_t PT_CUT  = 25;
  const Double_t ETA_CUT = 2.5;

  // file format for output plots
  const TString format("png"); 
    
  // file name with recoil correction
  TString recoilfname("../RecoilSyst/ZeeData/fits.root");
  
  // file name(s) with PU weights
  TString pufname("");
  if(doPU>0) {
    if(doPU==1) { pufname = "Utils/PileupReweighting.Summer11DYmm_To_Run2011A.root"; }
    else        { cout << "Invalid option for PU re-weighting! Aborting..." << endl; assert(0); }
  }
  
  //
  // input ntuple file names
  //
  enum { eData, eWenu, eEWK };  // data type enum
  vector<TString> fnamev;
  vector<Int_t>   typev;
  
  fnamev.push_back("../Selection/Wenu/ntuples/data_m23_select.root");   typev.push_back(eData);
  fnamev.push_back("../Selection/Wenu/ntuples/we_select.root");         typev.push_back(eWenu);
  fnamev.push_back("../Selection/Wenu/ntuples/ewk_select.root");        typev.push_back(eEWK);
  fnamev.push_back("../Selection/Wenu/ntuples/top_select.root");        typev.push_back(eEWK);


  //--------------------------------------------------------------------------------------------------------------
  // Main analysis code 
  //==============================================================================================================  
  
  // Create output directory
  gSystem->mkdir(outputDir,kTRUE);
  CPlot::sOutDir = outputDir;  
  
  // Get pile-up weights
  TFile *pufile    = 0;
  TH1D  *puWeights = 0;
  if(doPU>0) {
    pufile = new TFile(pufname);
    assert(pufile);
    puWeights = (TH1D*)pufile->Get("puWeights");
    assert(puWeights);
  }
  
  // Access recoil corrections
  //RecoilCorrector recoilCorr(recoilfname);
  
  //
  // Declare MET histograms
  //
  TH1D *hDataMet  = new TH1D("hDataMet", "",NBINS,0,METMAX); hDataMet->Sumw2();
  TH1D *hDataMetm = new TH1D("hDataMetm","",NBINS,0,METMAX); hDataMetm->Sumw2();  
  TH1D *hDataMetp = new TH1D("hDataMetp","",NBINS,0,METMAX); hDataMetp->Sumw2();
  TH1D *hWenuMet  = new TH1D("hWenuMet", "",NBINS,0,METMAX); hWenuMet->Sumw2();
  TH1D *hWenuMetp = new TH1D("hWenuMetp","",NBINS,0,METMAX); hWenuMetp->Sumw2();
  TH1D *hWenuMetm = new TH1D("hWenuMetm","",NBINS,0,METMAX); hWenuMetm->Sumw2();
  TH1D *hEWKMet   = new TH1D("hEWKMet",  "",NBINS,0,METMAX); hEWKMet->Sumw2();
  TH1D *hEWKMetp  = new TH1D("hEWKMetp", "",NBINS,0,METMAX); hEWKMetp->Sumw2();
  TH1D *hEWKMetm  = new TH1D("hEWKMetm", "",NBINS,0,METMAX); hEWKMetm->Sumw2();

  //
  // Declare variables to read in ntuple
  //
  UInt_t  runNum, lumiSec, evtNum;
  UInt_t  npv, npu;
  Float_t genWPt, genWPhi;
  Float_t scale1fb;
  Float_t met, metPhi, sumEt, mt, u1, u2;
  Int_t   q;
  LorentzVector *lep=0;
  LorentzVector *sc=0;
    
  TFile *infile=0;
  TTree *intree=0;

  //
  // Loop over files
  //
  for(UInt_t ifile=0; ifile<fnamev.size(); ifile++) {
    
    // Read input file and get the TTrees
    cout << "Processing " << fnamev[ifile] << "..." << endl;
    infile = new TFile(fnamev[ifile]);	  assert(infile);
    intree = (TTree*)infile->Get("Events"); assert(intree);

    intree->SetBranchAddress("runNum",   &runNum);    // event run number
    intree->SetBranchAddress("lumiSec",  &lumiSec);   // event lumi section
    intree->SetBranchAddress("evtNum",   &evtNum);    // event number
    intree->SetBranchAddress("npv",      &npv);       // number of primary vertices
    intree->SetBranchAddress("npu",      &npu);       // number of in-time PU events (MC)
    intree->SetBranchAddress("genVPt",   &genWPt);    // GEN W boson pT (signal MC)
    intree->SetBranchAddress("genVPhi",  &genWPhi);   // GEN W boson phi (signal MC)
    intree->SetBranchAddress("scale1fb", &scale1fb);  // event weight per 1/fb (MC)
    intree->SetBranchAddress("met",      &met);       // MET
    intree->SetBranchAddress("metPhi",   &metPhi);    // phi(MET)
    intree->SetBranchAddress("sumEt",    &sumEt);     // Sum ET
    intree->SetBranchAddress("mt",       &mt);        // transverse mass
    intree->SetBranchAddress("u1",       &u1);        // parallel component of recoil
    intree->SetBranchAddress("u2",       &u2);        // perpendicular component of recoil
    intree->SetBranchAddress("q",        &q);         // lepton charge
    intree->SetBranchAddress("lep",      &lep);       // lepton 4-vector
    intree->SetBranchAddress("sc",       &sc);        // electron Supercluster 4-vector
  
    //
    // loop over events
    //
    for(UInt_t ientry=0; ientry<intree->GetEntries(); ientry++) {
      intree->GetEntry(ientry);
      
      if(mt< 40)  continue;	// LUCA ADD
      TLorentzVector muPosP, muNegP, JpsiP;
      muPosP.SetPtEtaPhiM(lep->Pt(),lep->Eta(),lep->Phi(),lep->M()); // always use the muon
      muNegP.SetPtEtaPhiM(met,0,metPhi,0); // always use the neutrino
      JpsiP = muPosP + muNegP;
      
      // if(JpsiP.Pt() < 15 
      // || JpsiP.Pt() > 25 )  continue;	

      
      if(sc->Pt()        < PT_CUT)  continue;	
      if(fabs(sc->Eta()) > ETA_CUT) continue;
   
      if(typev[ifile]==eData) {
        hDataMet->Fill(met);
	if(q>0) { hDataMetp->Fill(met); } 
	else    { hDataMetm->Fill(met); }
      
      } else {
        Double_t weight = 1;
        weight *= scale1fb*lumi;
        if(puWeights)
	  weight *= puWeights->GetBinContent(npu+1);
	
	if(typev[ifile]==eWenu) {
          Double_t corrMet=met, corrMetPhi=metPhi;
        
	  // apply recoil corrections to W MC
	  //recoilCorr.Correct(corrMet,corrMetPhi,genWPt,genWPhi,lep->Pt(),lep->Phi());
	
          hWenuMet->Fill(corrMet,weight);
	  if(q>0) { hWenuMetp->Fill(corrMet,weight); } 
	  else    { hWenuMetm->Fill(corrMet,weight); }
        }
        if(typev[ifile]==eEWK) {
          hEWKMet->Fill(met,weight);
	  if(q>0) { hEWKMetp->Fill(met,weight); }
	  else    { hEWKMetm->Fill(met,weight); }
        }
      }
    }
  }  
  delete infile;
  infile=0, intree=0;   
  
  //
  // Declare fit parameters for signal and background yields
  // Note: W signal and EWK+top PDFs are constrained to the ratio described in MC
  //
  RooRealVar nSig("nSig","nSig",0.7*(hDataMet->Integral()),0,hDataMet->Integral());
  RooRealVar nQCD("nQCD","nQCD",0.3*(hDataMet->Integral()),0,hDataMet->Integral());
  RooRealVar cewk("cewk","cewk",0.1,0,5) ;
  cewk.setVal(hEWKMet->Integral()/hWenuMet->Integral());
  cewk.setConstant(kTRUE);
  RooFormulaVar nEWK("nEWK","nEWK","cewk*nSig",RooArgList(nSig,cewk));
  
  RooRealVar nSigp("nSigp","nSigp",0.7*(hDataMetp->Integral()),0,hDataMetp->Integral());
  RooRealVar nQCDp("nQCDp","nQCDp",0.3*(hDataMetp->Integral()),0,hDataMetp->Integral());
  RooRealVar cewkp("cewkp","cewkp",0.1,0,5) ;
  cewkp.setVal(hEWKMetp->Integral()/hWenuMetp->Integral());
  cewkp.setConstant(kTRUE);
  RooFormulaVar nEWKp("nEWKp","nEWKp","cewkp*nSigp",RooArgList(nSigp,cewkp));
  
  RooRealVar nSigm("nSigm","nSigm",0.7*(hDataMetm->Integral()),0,hDataMetm->Integral());
  RooRealVar nQCDm("nQCDm","nQCDm",0.3*(hDataMetm->Integral()),0,hDataMetm->Integral());
  RooRealVar cewkm("cewkm","cewkm",0.1,0,5) ;
  cewkm.setVal(hEWKMetm->Integral()/hWenuMetm->Integral());
  cewkm.setConstant(kTRUE);
  RooFormulaVar nEWKm("nEWKm","nEWKm","cewkm*nSigm",RooArgList(nSigm,cewkm));  
  
  //
  // Construct PDFs for fitting
  //
  RooRealVar pfmet("pfmet","pfmet",0,METMAX);
  pfmet.setBins(NBINS);
   
  // Signal PDFs
  RooDataHist wenuMet ("wenuMET", "wenuMET", RooArgSet(pfmet),hWenuMet);  RooHistPdf pdfWe ("we", "we", pfmet,wenuMet, 1);
  RooDataHist wenuMetp("wenuMETp","wenuMETp",RooArgSet(pfmet),hWenuMetp); RooHistPdf pdfWep("wep","wep",pfmet,wenuMetp,1);
  RooDataHist wenuMetm("wenuMETm","wenuMETm",RooArgSet(pfmet),hWenuMetm); RooHistPdf pdfWem("wem","wem",pfmet,wenuMetm,1); 
  
  // EWK+top PDFs
  RooDataHist ewkMet ("ewkMET", "ewkMET", RooArgSet(pfmet),hEWKMet);  RooHistPdf pdfEWK ("ewk", "ewk", pfmet,ewkMet, 1);
  RooDataHist ewkMetp("ewkMETp","ewkMETp",RooArgSet(pfmet),hEWKMetp); RooHistPdf pdfEWKp("ewkp","ewkp",pfmet,ewkMetp,1); 
  RooDataHist ewkMetm("ewkMETm","ewkMETm",RooArgSet(pfmet),hEWKMetm); RooHistPdf pdfEWKm("ewkm","ewkm",pfmet,ewkMetm,1); 
  
  // QCD Pdfs
  CPepeModel1 qcd("qcd",pfmet);
  CPepeModel1 qcdp("qcdp",pfmet);
  CPepeModel1 qcdm("qcdm",pfmet);
  
  // Signal + Background PDFs
  RooAddPdf pdfMet ("pdfMet", "pdfMet", RooArgList(pdfWe,pdfEWK,*(qcd.model)),   RooArgList(nSig,nEWK,nQCD));  
  RooAddPdf pdfMetp("pdfMetp","pdfMetp",RooArgList(pdfWep,pdfEWKp,*(qcdp.model)),RooArgList(nSigp,nEWKp,nQCDp));
  RooAddPdf pdfMetm("pdfMetm","pdfMetm",RooArgList(pdfWem,pdfEWKm,*(qcdm.model)),RooArgList(nSigm,nEWKm,nQCDm));
    
  //
  // Perform fits
  //
  RooDataHist dataMet("dataMet", "dataMet", RooArgSet(pfmet),hDataMet);
  RooFitResult *fitRes = pdfMet.fitTo(dataMet,Extended(),Minos(kTRUE),Save(kTRUE));
  
  RooDataHist dataMetp("dataMetp","dataMetp",RooArgSet(pfmet),hDataMetp);
  RooFitResult *fitResp = pdfMetp.fitTo(dataMetp,Extended(),Minos(kTRUE),Save(kTRUE));
  
  RooDataHist dataMetm("dataMetm","dataMetm",RooArgSet(pfmet),hDataMetm);
  RooFitResult *fitResm = pdfMetm.fitTo(dataMetm,Extended(),Minos(kTRUE),Save(kTRUE));
    
  //
  // Use histogram version of fitted PDFs to make ratio plots
  // (Will also use PDF histograms later for Chi^2 and KS tests)
  //
  TH1D *hPdfMet = (TH1D*)(pdfMet.createHistogram("hPdfMet", pfmet));
  hPdfMet->Scale((nSig.getVal()+nEWK.getVal()+nQCD.getVal())/hPdfMet->Integral());
  TH1D *hMetDiff = makeDiffHist(hDataMet,hPdfMet,"hMetDiff");
  hMetDiff->SetMarkerStyle(kFullCircle);
  hMetDiff->SetMarkerSize(0.9);
   
  TH1D *hPdfMetp = (TH1D*)(pdfMetp.createHistogram("hPdfMetp", pfmet));
  hPdfMetp->Scale((nSigp.getVal()+nEWKp.getVal()+nQCDp.getVal())/hPdfMetp->Integral());
  TH1D *hMetpDiff = makeDiffHist(hDataMetp,hPdfMetp,"hMetpDiff");
  hMetpDiff->SetMarkerStyle(kFullCircle);
  hMetpDiff->SetMarkerSize(0.9);
    
  TH1D *hPdfMetm = (TH1D*)(pdfMetm.createHistogram("hPdfMetm", pfmet));
  hPdfMetm->Scale((nSigm.getVal()+nEWKm.getVal()+nQCDm.getVal())/hPdfMetm->Integral());
  TH1D *hMetmDiff = makeDiffHist(hDataMetm,hPdfMetm,"hMetmDiff");
  hMetmDiff->SetMarkerStyle(kFullCircle); 
  hMetmDiff->SetMarkerSize(0.9);
   
  
  //--------------------------------------------------------------------------------------------------------------
  // Make plots 
  //==============================================================================================================  
  
  TCanvas *c = MakeCanvas("c","c",800,800);
  c->Divide(1,2,0,0);
  c->cd(1)->SetPad(0,0.3,1.0,1.0);
  c->cd(1)->SetTopMargin(0.1);
  c->cd(1)->SetBottomMargin(0.01);
  c->cd(1)->SetLeftMargin(0.18);  
  c->cd(1)->SetRightMargin(0.07);  
  c->cd(1)->SetTickx(1);
  c->cd(1)->SetTicky(1);  
  c->cd(2)->SetPad(0,0,1.0,0.3);
  c->cd(2)->SetTopMargin(0.05);
  c->cd(2)->SetBottomMargin(0.45);
  c->cd(2)->SetLeftMargin(0.18);
  c->cd(2)->SetRightMargin(0.07);
  c->cd(2)->SetTickx(1);
  c->cd(2)->SetTicky(1);
  gStyle->SetTitleOffset(1.400,"Y");
  
  char ylabel[100];  // string buffer for y-axis label
  
  // label for lumi
  char lumitext[100];
  if(lumi<0.1) sprintf(lumitext,"%.1f pb^{-1}  at  #sqrt{s} = %i TeV",lumi*1000.,Ecm);
  else         sprintf(lumitext,"%.2f fb^{-1}  at  #sqrt{s} = %i TeV",lumi,Ecm);
  
  // plot colors
  Int_t linecolorW   = kOrange-3;
  Int_t fillcolorW   = kOrange-2;
  Int_t linecolorEWK = kOrange+10;
  Int_t fillcolorEWK = kOrange+7;
  Int_t linecolorQCD = kViolet+2;
  Int_t fillcolorQCD = kViolet-5;
  Int_t ratioColor   = kGray+2;
  
  //
  // Dummy histograms for TLegend
  // (I can't figure out how to properly pass RooFit objects...)
  //
  TH1D *hDummyData = new TH1D("hDummyData","",0,0,10);
  hDummyData->SetMarkerStyle(kFullCircle);
  hDummyData->SetMarkerSize(0.9);
  
  TH1D *hDummyW = new TH1D("hDummyW","",0,0,10);
  hDummyW->SetLineColor(linecolorW);
  hDummyW->SetFillColor(fillcolorW);
  hDummyW->SetFillStyle(1001);
  
  TH1D *hDummyEWK = new TH1D("hDummyEWK","",0,0,10);
  hDummyEWK->SetLineColor(linecolorEWK);
  hDummyEWK->SetFillColor(fillcolorEWK);
  hDummyEWK->SetFillStyle(1001);
  
  TH1D *hDummyQCD = new TH1D("hDummyQCD","",0,0,10);
  hDummyQCD->SetLineColor(linecolorQCD);
  hDummyQCD->SetFillColor(fillcolorQCD);
  hDummyQCD->SetFillStyle(1001);
   
  //
  // W MET plot
  //
  RooPlot *weframe = pfmet.frame(Bins(NBINS));    
  dataMet.plotOn(weframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMet.plotOn(weframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMet.plotOn(weframe,LineColor(linecolorW));
  pdfMet.plotOn(weframe,Components(RooArgSet(pdfEWK,*(qcd.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMet.plotOn(weframe,Components(RooArgSet(pdfEWK,*(qcd.model))),LineColor(linecolorEWK));
  pdfMet.plotOn(weframe,Components(RooArgSet(*(qcd.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMet.plotOn(weframe,Components(RooArgSet(*(qcd.model))),LineColor(linecolorQCD));
  pdfMet.plotOn(weframe,Components(RooArgSet(pdfWe)),LineColor(linecolorW),LineStyle(2));
  dataMet.plotOn(weframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMet->GetBinWidth(1));
  CPlot plotMet("fitmet",weframe,"","",ylabel);
  plotMet.SetLegend(0.68,0.57,0.93,0.77);
  plotMet.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMet.GetLegend()->AddEntry(hDummyW,"W#rightarrowe#nu","F");
  plotMet.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMet.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMet.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMet.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
  plotMet.SetYRange(0.1,1.1*(hDataMet->GetMaximum()));
//  plotMet.Draw(c,kFALSE,format,1);
  plotMet.Draw(c,kTRUE,format,1);

  CPlot plotMetDiff("fitmet","","#slash{E}_{T} [GeV]","#chi");
  plotMetDiff.AddHist1D(hMetDiff,"EX0",ratioColor);
  plotMetDiff.SetYRange(-8,8);
  plotMetDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetDiff.Draw(c,kTRUE,format,2);
  
  plotMet.SetName("fitmetlog");
  plotMet.SetLogy();
  plotMet.SetYRange(1e-3*(hDataMet->GetMaximum()),10*(hDataMet->GetMaximum()));
  plotMet.Draw(c,kTRUE,format,1);
    
  //
  // W+ MET plot
  //
  RooPlot *wepframe = pfmet.frame(Bins(NBINS));    
  dataMetp.plotOn(wepframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMetp.plotOn(wepframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMetp.plotOn(wepframe,LineColor(linecolorW));
  pdfMetp.plotOn(wepframe,Components(RooArgSet(pdfEWKp,*(qcdp.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMetp.plotOn(wepframe,Components(RooArgSet(pdfEWKp,*(qcdp.model))),LineColor(linecolorEWK));
  pdfMetp.plotOn(wepframe,Components(RooArgSet(*(qcdp.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMetp.plotOn(wepframe,Components(RooArgSet(*(qcdp.model))),LineColor(linecolorQCD));
  pdfMetp.plotOn(wepframe,Components(RooArgSet(pdfWep)),LineColor(linecolorW),LineStyle(2));
  dataMetp.plotOn(wepframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));  
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMetp->GetBinWidth(1));
  CPlot plotMetp("fitmetp",wepframe,"","",ylabel);
  plotMetp.SetLegend(0.68,0.57,0.93,0.77);
  plotMetp.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMetp.GetLegend()->AddEntry(hDummyW,"W^{+}#rightarrowe^{+}#nu","F");
  plotMetp.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMetp.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMetp.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMetp.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
  plotMetp.SetYRange(0.1,1.1*(hDataMetp->GetMaximum()));
  plotMetp.Draw(c,kFALSE,format,1);

  CPlot plotMetpDiff("fitmetp","","#slash{E}_{T} [GeV]","#chi");
  plotMetpDiff.AddHist1D(hMetpDiff,"EX0",ratioColor);
  plotMetpDiff.SetYRange(-8,8);
  plotMetpDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetpDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetpDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetpDiff.Draw(c,kTRUE,format,2);
  
  plotMetp.SetName("fitmetplog");
  plotMetp.SetLogy();
  plotMetp.SetYRange(1e-3*(hDataMetp->GetMaximum()),10*(hDataMetp->GetMaximum()));
  plotMetp.Draw(c,kTRUE,format,1);
  
  //
  // W- MET plot
  //
  RooPlot *wemframe = pfmet.frame(Bins(NBINS)); 
  dataMetm.plotOn(wemframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  pdfMetm.plotOn(wemframe,FillColor(fillcolorW),DrawOption("F"));
  pdfMetm.plotOn(wemframe,LineColor(linecolorW));
  pdfMetm.plotOn(wemframe,Components(RooArgSet(pdfEWKm,*(qcdm.model))),FillColor(fillcolorEWK),DrawOption("F"));
  pdfMetm.plotOn(wemframe,Components(RooArgSet(pdfEWKm,*(qcdm.model))),LineColor(linecolorEWK));
  pdfMetm.plotOn(wemframe,Components(RooArgSet(*(qcdm.model))),FillColor(fillcolorQCD),DrawOption("F"));
  pdfMetm.plotOn(wemframe,Components(RooArgSet(*(qcdm.model))),LineColor(linecolorQCD));
  pdfMetm.plotOn(wemframe,Components(RooArgSet(pdfWem)),LineColor(linecolorW),LineStyle(2));
  dataMetm.plotOn(wemframe,MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"));
  
  sprintf(ylabel,"Events / %.1f GeV",hDataMetm->GetBinWidth(1));
  CPlot plotMetm("fitmetm",wemframe,"","",ylabel);
  plotMetm.SetLegend(0.68,0.57,0.93,0.77);
  plotMetm.GetLegend()->AddEntry(hDummyData,"data","PL");
  plotMetm.GetLegend()->AddEntry(hDummyW,"W^{-}#rightarrowe^{-}#bar{#nu}","F");
  plotMetm.GetLegend()->AddEntry(hDummyEWK,"EWK+t#bar{t}","F");
  plotMetm.GetLegend()->AddEntry(hDummyQCD,"QCD","F");
  plotMetm.AddTextBox(lumitext,0.55,0.80,0.90,0.86,0);
  plotMetm.AddTextBox("CMS Preliminary",0.63,0.92,0.95,0.99,0);
  plotMetm.SetYRange(0.1,1.1*(hDataMetm->GetMaximum()));
  plotMetm.Draw(c,kFALSE,format,1);

  CPlot plotMetmDiff("fitmetm","","#slash{E}_{T} [GeV]","#chi");
  plotMetmDiff.AddHist1D(hMetmDiff,"EX0",ratioColor);
  plotMetmDiff.SetYRange(-8,8);
  plotMetmDiff.AddLine(0, 0,METMAX, 0,kBlack,1);
  plotMetmDiff.AddLine(0, 5,METMAX, 5,kBlack,3);
  plotMetmDiff.AddLine(0,-5,METMAX,-5,kBlack,3);
  plotMetmDiff.Draw(c,kTRUE,format,2);
  
  plotMetm.SetName("fitmetmlog");
  plotMetm.SetLogy();
  plotMetm.SetYRange(1e-3*(hDataMetm->GetMaximum()),10*(hDataMetm->GetMaximum()));
  plotMetm.Draw(c,kTRUE,format,1);

    
  //--------------------------------------------------------------------------------------------------------------
  // Output
  //==============================================================================================================
   
  cout << "*" << endl;
  cout << "* SUMMARY" << endl;
  cout << "*--------------------------------------------------" << endl;  
  
  //
  // Write fit results
  //
  ofstream txtfile;
  char txtfname[100];    
  
  ios_base::fmtflags flags;
  
  Double_t chi2prob, chi2ndf;
  Double_t ksprob, ksprobpe;
  
  chi2prob = hDataMet->Chi2Test(hPdfMet,"PUW");
  chi2ndf  = hDataMet->Chi2Test(hPdfMet,"CHI2/NDFUW");
  ksprob   = hDataMet->KolmogorovTest(hPdfMet);
  ksprobpe = hDataMet->KolmogorovTest(hPdfMet,"DX");
  sprintf(txtfname,"%s/fitresWe.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMet->Integral() << endl;
  txtfile << "  Signal: " << nSig.getVal() << " +/- " << nSig.getPropagatedError(*fitRes) << endl;
  txtfile << "     QCD: " << nQCD.getVal() << " +/- " << nQCD.getPropagatedError(*fitRes) << endl;
  txtfile << "   Other: " << nEWK.getVal() << " +/- " << nEWK.getPropagatedError(*fitRes) << endl;
  txtfile << endl; 
  txtfile.flags(flags);
  
  fitRes->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitRes);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();
  
  chi2prob = hDataMetp->Chi2Test(hPdfMetp,"PUW");
  chi2ndf  = hDataMetp->Chi2Test(hPdfMetp,"CHI2/NDFUW");
  ksprob   = hDataMetp->KolmogorovTest(hPdfMetp);
  ksprobpe = hDataMetp->KolmogorovTest(hPdfMetp,"DX");  
  sprintf(txtfname,"%s/fitresWep.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMetp->Integral() << endl;
  txtfile << "  Signal: " << nSigp.getVal() << " +/- " << nSigp.getPropagatedError(*fitResp) << endl;
  txtfile << "     QCD: " << nQCDp.getVal() << " +/- " << nQCDp.getPropagatedError(*fitResp) << endl;
  txtfile << "   Other: " << nEWKp.getVal() << " +/- " << nEWKp.getPropagatedError(*fitResp) << endl;
  txtfile << endl;  
  txtfile.flags(flags);
  
  fitResp->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitResp);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();

  chi2prob = hDataMetm->Chi2Test(hPdfMetm,"PUW");
  chi2ndf  = hDataMetm->Chi2Test(hPdfMetm,"CHI2/NDFUW");
  ksprob   = hDataMetm->KolmogorovTest(hPdfMetm);
  ksprobpe = hDataMetm->KolmogorovTest(hPdfMetm,"DX");  
  sprintf(txtfname,"%s/fitresWem.txt",CPlot::sOutDir.Data());
  txtfile.open(txtfname);
  assert(txtfile.is_open());
  
  flags = txtfile.flags();
  txtfile << setprecision(10);
  txtfile << " *** Yields *** " << endl;
  txtfile << "Selected: " << hDataMetm->Integral() << endl;
  txtfile << "  Signal: " << nSigm.getVal() << " +/- " << nSigm.getPropagatedError(*fitResm) << endl;
  txtfile << "     QCD: " << nQCDm.getVal() << " +/- " << nQCDm.getPropagatedError(*fitResm) << endl;
  txtfile << "   Other: " << nEWKm.getVal() << " +/- " << nEWKm.getPropagatedError(*fitResm) << endl;
  txtfile << endl;
  txtfile.flags(flags);
  
  fitResm->printStream(txtfile,RooPrintable::kValue,RooPrintable::kVerbose);
  txtfile << endl;
  printCorrelations(txtfile, fitResm);
  txtfile << endl;
  printChi2AndKSResults(txtfile, chi2prob, chi2ndf, ksprob, ksprobpe);
  txtfile.close();

  makeHTML(outputDir);
  
  cout << endl;
  cout << "  <> Output saved in " << outputDir << "/" << endl;    
  cout << endl;     
  
  gBenchmark->Show("fitWe");
}
void drawCtauPlot(RooWorkspace& myws,   // Local workspace
                  string outputDir,     // Output directory
                  struct InputOpt opt,  // Variable with run information (kept for legacy purpose)
                  struct KinCuts cut,   // Variable with current kinematic cuts
                  string plotLabel,     // The label used to define the output file name
                  // Select the type of datasets to fit
                  string DSTAG,         // Specifies the type of datasets: i.e, DATA, MCJPSINP, ...
                  bool isPbPb,          // Define if it is PbPb (True) or PP (False)
                  // Select the drawing options
                  bool setLogScale,     // Draw plot with log scale
                  bool incSS,           // Include Same Sign data
                  int  nBins,           // Number of bins used for plotting
                  bool paperStyle=false,// if true, print less info
                  bool saveWS=true      // save the workspace into a file
                  ) 
{
  if (DSTAG.find("_")!=std::string::npos) DSTAG.erase(DSTAG.find("_"));
  
  string dsOSName = Form("dOS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));
  string dsSSName = Form("dSS_%s_%s", DSTAG.c_str(), (isPbPb?"PbPb":"PP"));

  
  // Create the main plot of the fit
  // RooPlot*   frame     = myws.var("invMass")->frame(Bins(nBins), Range(cut.dMuon.M.Min, cut.dMuon.M.Max));
  RooPlot*   frame     = myws.var("ctau")->frame(Bins(nBins), Range(-1,3));
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));
  
  if (paperStyle) TGaxis::SetMaxDigits(3); // to display powers of 10
    
  if (incSS) { 
    myws.data(dsSSName.c_str())->plotOn(frame, Name("dSS"), MarkerColor(kRed), LineColor(kRed), MarkerSize(1.2)); 
  }
  myws.data(dsOSName.c_str())->plotOn(frame, Name("dOS"), DataError(RooAbsData::SumW2), XErrorSize(0), MarkerColor(kBlack), LineColor(kBlack), MarkerSize(1.2));

  
  // set the CMS style
  setTDRStyle();
  
  // Create the main canvas
  TCanvas *cFig  = new TCanvas(Form("cMassFig_%s", (isPbPb?"PbPb":"PP")), "cMassFig",800,800);
  TPad    *pad1  = new TPad(Form("pad1_%s", (isPbPb?"PbPb":"PP")),"",0,paperStyle ? 0 : 0.23,1,1);
  TPad    *pad2  = new TPad(Form("pad2_%s", (isPbPb?"PbPb":"PP")),"",0,0,1,.228);
  TLine   *pline = new TLine(cut.dMuon.M.Min, 0.0, cut.dMuon.M.Max, 0.0);
  
  // TPad *pad4 = new TPad("pad4","This is pad4",0.55,0.46,0.97,0.87);
  TPad *pad4 = new TPad("pad4","This is pad4",0.55,paperStyle ? 0.29 : 0.36,0.97,paperStyle ? 0.70 : 0.77);
  pad4->SetFillStyle(0);
  pad4->SetLeftMargin(0.28);
  pad4->SetRightMargin(0.10);
  pad4->SetBottomMargin(0.21);
  pad4->SetTopMargin(0.072);

  frame->SetTitle("");
  frame->GetXaxis()->CenterTitle(kTRUE);
  if (!paperStyle) {
     frame->GetXaxis()->SetTitle("");
     frame->GetXaxis()->SetTitleSize(0.045);
     frame->GetXaxis()->SetTitleFont(42);
     frame->GetXaxis()->SetTitleOffset(3);
     frame->GetXaxis()->SetLabelOffset(3);
     frame->GetYaxis()->SetLabelSize(0.04);
     frame->GetYaxis()->SetTitleSize(0.04);
     frame->GetYaxis()->SetTitleOffset(1.7);
     frame->GetYaxis()->SetTitleFont(42);
  } else {
     frame->GetXaxis()->SetTitle("#font[12]{l}_{J/#psi} (mm)");
     frame->GetXaxis()->SetTitleOffset(1.1);
     frame->GetYaxis()->SetTitleOffset(1.45);
     frame->GetXaxis()->SetTitleSize(0.05);
     frame->GetYaxis()->SetTitleSize(0.05);
  }
  setRange(myws, frame, dsOSName, setLogScale, cut.dMuon.AbsRap.Min);
  if (paperStyle) {
     double Ydown = 0.1;//frame->GetMinimum();
     double Yup = 0.9*frame->GetMaximum();
     frame->GetYaxis()->SetRangeUser(Ydown,Yup);
  }
 
  cFig->cd();
  pad2->SetTopMargin(0.02);
  pad2->SetBottomMargin(0.4);
  pad2->SetFillStyle(4000); 
  pad2->SetFrameFillStyle(4000); 
  if (!paperStyle) pad1->SetBottomMargin(0.015); 
  //plot fit
  pad1->Draw();
  pad1->cd(); 
  frame->Draw();

  pad1->SetLogy(setLogScale);

  // Drawing the text in the plot
  TLatex *t = new TLatex(); t->SetNDC(); t->SetTextSize(0.032);
  float dy = 0; 
  
  t->SetTextSize(0.03);
  if (!paperStyle) { // do not print selection details for paper style
     t->DrawLatex(0.21, 0.86-dy, "2015 HI Soft Muon ID"); dy+=0.045;
     if (isPbPb) {
        t->DrawLatex(0.21, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=0.045;
     } else {
        t->DrawLatex(0.21, 0.86-dy, "HLT_HIL1DoubleMu0_v1"); dy+=0.045;
     } 
  }
  if (cut.dMuon.AbsRap.Min>0.1) {t->DrawLatex(0.20, 0.86-dy, Form("%.1f < |y^{#mu#mu}| < %.1f",cut.dMuon.AbsRap.Min,cut.dMuon.AbsRap.Max)); dy+=1.5*0.045;}
  else {t->DrawLatex(0.20, 0.86-dy, Form("|y^{#mu#mu}| < %.1f",cut.dMuon.AbsRap.Max)); dy+=1.5*0.045;}
  t->DrawLatex(0.20, 0.86-dy, Form("%g < p_{T}^{#mu#mu} < %g GeV/c",cut.dMuon.Pt.Min,cut.dMuon.Pt.Max)); dy+=0.045;
  t->DrawLatex(0.20, 0.86-dy, Form("%g < M^{#mu#mu} < %g GeV/c^{2}",cut.dMuon.M.Min,cut.dMuon.M.Max)); dy+=0.045;
  if (isPbPb) {t->DrawLatex(0.20, 0.86-dy, Form("Cent. %d-%d%%", (int)(cut.Centrality.Start/2), (int)(cut.Centrality.End/2))); dy+=0.045;}
  dy+=0.5*0.045; t->DrawLatex(0.20, 0.86-dy, "#mu in acceptance"); dy+=0.045;

  // Drawing the Legend
  double ymin = 0.7802;
  if (paperStyle) { ymin = 0.72; }
  TLegend* leg = new TLegend(0.5175, ymin, 0.7180, 0.8809); leg->SetTextSize(0.03);
  leg->AddEntry(frame->findObject("dOS"), (incSS?"Opposite Charge":"Data"),"pe");
  if (incSS) { leg->AddEntry(frame->findObject("dSS"),"Same Charge","pe"); }
  leg->Draw("same");

  //Drawing the title
  TString label;
  if (isPbPb) {
    if (opt.PbPb.RunNb.Start==opt.PbPb.RunNb.End){
      label = Form("PbPb Run %d", opt.PbPb.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PbPb", "HIOniaL1DoubleMu0", opt.PbPb.RunNb.Start, opt.PbPb.RunNb.End);
    }
  } else {
    if (opt.pp.RunNb.Start==opt.pp.RunNb.End){
      label = Form("PP Run %d", opt.pp.RunNb.Start);
    } else {
      label = Form("%s [%s %d-%d]", "PP", "DoubleMu0", opt.pp.RunNb.Start, opt.pp.RunNb.End);
    }
  }
  
  // CMS_lumi(pad1, isPbPb ? 105 : 104, 33, label);
  CMS_lumi(pad1, isPbPb ? 108 : 107, 33, "");
  if (!paperStyle) gStyle->SetTitleFontSize(0.05);
  
  pad1->Update();
  cFig->cd(); 


  // Save the plot in different formats
  gSystem->mkdir(Form("%splot/%s/root/", outputDir.c_str(), DSTAG.c_str()), kTRUE); 
  cFig->SaveAs(Form("%splot/%s/root/%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.root", outputDir.c_str(), DSTAG.c_str(), DSTAG.c_str(),  "Psi2SJpsi", (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%splot/%s/png/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%splot/%s/png/%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.png", outputDir.c_str(), DSTAG.c_str(), DSTAG.c_str(), "Psi2SJpsi", (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  gSystem->mkdir(Form("%splot/%s/pdf/", outputDir.c_str(), DSTAG.c_str()), kTRUE);
  cFig->SaveAs(Form("%splot/%s/pdf/%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.pdf", outputDir.c_str(), DSTAG.c_str(), DSTAG.c_str(), "Psi2SJpsi", (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End));
  
  cFig->Clear();
  cFig->Close();
  
  // Save the workspace
  if (saveWS) {
     gSystem->mkdir(Form("%sresult/%s/", outputDir.c_str(), DSTAG.c_str()), kTRUE); 
     TFile *file = NULL;
     file = new TFile(Form("%sresult/%s/FIT_%s_%s_%s%s_pt%.0f%.0f_rap%.0f%.0f_cent%d%d.root", outputDir.c_str(), DSTAG.c_str(), DSTAG.c_str(), "Psi2SJpsi", (isPbPb?"PbPb":"PP"), plotLabel.c_str(), (cut.dMuon.Pt.Min*10.0), (cut.dMuon.Pt.Max*10.0), (cut.dMuon.AbsRap.Min*10.0), (cut.dMuon.AbsRap.Max*10.0), cut.Centrality.Start, cut.Centrality.End), "RECREATE");  
     if (!file) { 
        cout << "[ERROR] Output root file with fit results could not be created!" << endl; 
     } else {
        file->cd();    
        myws.Write("workspace"); 
        file->Write(); file->Close(); delete file;
     }
  }
}
void Wpt_ZmassCompEtaBins_Gaus(const TString Mode,//Channel - Muon or Electron
    const TString corrName,
    const TString outputDir 
    )
{
  TString plotTitle;
  TString mu_etaRange[6];
  mu_etaRange[0] = "-2.1 #geq eta < -1.4";
  mu_etaRange[1] = "-1.4 #geq eta < -0.7";
  mu_etaRange[2] = "-0.7 #geq eta < 0";
  mu_etaRange[3] = "0 #geq eta < 0.7";
  mu_etaRange[4] = "0.7 #geq eta < 1.4";
  mu_etaRange[5] = "1.4 #geq eta < 2.1";

  TH1D* makeDiffHist(TH1D* h1, TH1D* h2, const TString name);
  const TString format("png"); 
  Int_t ratioColor = kGray+2;

  TFile *fname_MC;
  TFile *fname_RD;

  gSystem->mkdir(outputDir,kTRUE);
  CPlot::sOutDir = outputDir;

  fname_MC = new TFile("Muon2012LoPU/Muon_DYToMuMu_S8.root");
  fname_RD = new TFile("Muon2012LoPU/Muon_RD_LowPU.root");

  if(Mode=="Electron")
  {
    fname_MC = new TFile("Electron2012LoPU/Ele_DYToEE_S8.root");
    fname_RD = new TFile("Electron2012LoPU/Ele_RD_LowPU.root");
  }

  CPlot *plotMllEtaBinP;
  CPlot *plotMllEtaBinM;
  CPlot *plotMllEtameanP;
  CPlot *plotMllEtameanM;
  CPlot *plotMllEtawidthP;
  CPlot *plotMllEtawidthM;

  TH1D *hMCetaBinP[ScaleBins];
  TH1D *hRDetaBinP[ScaleBins];
  TH1D *hMCetaBinM[ScaleBins];
  TH1D *hRDetaBinM[ScaleBins];

  RooDataHist *h1_MCetaBinP;
  RooDataHist *h1_RDetaBinP;
  RooDataHist *h1_MCetaBinM;
  RooDataHist *h1_RDetaBinM;

  TH1D *hMCmeanp = new TH1D("hMCmeanp","hMCmeanp",ScaleBins,-2.1,2.1);hMCmeanp->Sumw2();
  TH1D *hRDmeanp = new TH1D("hRDmeanp","hRDmeanp",ScaleBins,-2.1,2.1);hRDmeanp->Sumw2();
  TH1D *hMCmeanm = new TH1D("hMCmeanm","hMCmeanm",ScaleBins,-2.1,2.1);hMCmeanm->Sumw2();
  TH1D *hRDmeanm = new TH1D("hRDmeanm","hRDmeanm",ScaleBins,-2.1,2.1);hRDmeanm->Sumw2();

  TH1D *hMCwidthp = new TH1D("hMCwidthp","hMCwidthp",ScaleBins,-2.1,2.1);hMCwidthp->Sumw2();
  TH1D *hRDwidthp = new TH1D("hRDwidthp","hRDwidthp",ScaleBins,-2.1,2.1);hRDwidthp->Sumw2();
  TH1D *hMCwidthm = new TH1D("hMCwidthm","hMCwidthm",ScaleBins,-2.1,2.1);hMCwidthm->Sumw2();
  TH1D *hRDwidthm = new TH1D("hRDwidthm","hRDwidthm",ScaleBins,-2.1,2.1);hRDwidthm->Sumw2();

  char histName[50];
  char tmpName[50];

  TCanvas *myCan;
  myCan = MakeCanvas("myCan","myCan",800,600);

  myCan->SetPad(0,0,1.0,1.0);
  myCan->SetTopMargin(0.11);
  myCan->SetBottomMargin(0.15);
  myCan->SetLeftMargin(0.15);  
  myCan->SetRightMargin(0.05);  
  myCan->SetTickx(1);
  myCan->SetTicky(1);  

  //=============================
  //Read Zmass histograms for each pt bin
  //=============================
  for(int i(0);i<ScaleBins;i++){
    sprintf(tmpName,"h1_Zmass_muEtaP_%d",i);
    if(corrName=="CorrTotalRegion")
      sprintf(tmpName,"h1_ZmassCorr_muEtaP_%d",i);

    if(outputDir=="Wpt_ZmassPlotsEtaBins_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_noOverLap_muEtaP_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_noOverLap_muEtaP_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_LeadingLept_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_LeadingLept_noOverLap_muEtaP_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_LeadingLept_noOverLap_muEtaP_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_LeadingLept_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_LeadingLept_muEtaP_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_LeadingLept_muEtaP_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_TrailingLept_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_TrailingLept_noOverLap_muEtaP_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_TrailingLept_noOverLap_muEtaP_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_TrailingLept_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_TrailingLept_muEtaP_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_TrailingLept_muEtaP_%d",i);
    }

    sprintf(histName,"hMCetaBinP_%d",i);
    hMCetaBinP[i]= (TH1D*)fname_MC->Get(tmpName)->Clone(histName); hMCetaBinP[i]->Sumw2();
    sprintf(histName,"hRDetaBinP_%d",i);
    hRDetaBinP[i]= (TH1D*)fname_RD->Get(tmpName)->Clone(histName); hRDetaBinP[i]->Sumw2();

    sprintf(tmpName,"h1_Zmass_muEtaM_%d",i);
    if(corrName=="CorrTotalRegion")
      sprintf(tmpName,"h1_ZmassCorr_muEtaM_%d",i);

    if(outputDir=="Wpt_ZmassPlotsEtaBins_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_noOverLap_muEtaM_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_noOverLap_muEtaM_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_LeadingLept_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_LeadingLept_noOverLap_muEtaM_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_LeadingLept_noOverLap_muEtaM_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_LeadingLept_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_LeadingLept_muEtaM_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_LeadingLept_muEtaM_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_TrailingLept_noOverLap_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_TrailingLept_noOverLap_muEtaM_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_TrailingLept_noOverLap_muEtaM_%d",i);
    }

    if(outputDir=="Wpt_ZmassPlotsEtaBins_TrailingLept_Gaus")
    {
      sprintf(tmpName,"h1_Zmass_TrailingLept_muEtaM_%d",i);
      if(corrName=="CorrTotalRegion")
	sprintf(tmpName,"h1_ZmassCorr_TrailingLept_muEtaM_%d",i);
    }

    sprintf(histName,"hMCetaBinM_%d",i);
    hMCetaBinM[i]= (TH1D*)fname_MC->Get(tmpName)->Clone(histName); hMCetaBinM[i]->Sumw2();
    sprintf(histName,"hRDetaBinM_%d",i);
    hRDetaBinM[i]= (TH1D*)fname_RD->Get(tmpName)->Clone(histName); hRDetaBinM[i]->Sumw2();
    
    hMCetaBinP[i] -> SetMarkerSize(0.9);
    hMCetaBinP[i] -> SetMarkerColor(kRed);
    hMCetaBinP[i] -> SetLineColor(kRed);
    hRDetaBinP[i] -> SetMarkerSize(0.9);
    hRDetaBinP[i] -> SetMarkerColor(kBlack);
    hRDetaBinP[i] -> SetLineColor(kBlack);
    hMCetaBinM[i] -> SetMarkerSize(0.9);
    hMCetaBinM[i] -> SetMarkerColor(kRed);
    hMCetaBinM[i] -> SetLineColor(kRed);
    hRDetaBinM[i] -> SetMarkerSize(0.9);
    hRDetaBinM[i] -> SetMarkerColor(kBlack);
    hRDetaBinM[i] -> SetLineColor(kBlack);

    RooRealVar x("x", "x",80,100);
    x.setBins(40);
    x.setRange("R0",86,96);

    h1_MCetaBinP = new RooDataHist("h1_MCetaBinP","h1_MCetaBinP",RooArgSet(x),hMCetaBinP[i]);
    h1_MCetaBinM = new RooDataHist("h1_MCetaBinM","h1_MCetaBinM",RooArgSet(x),hMCetaBinM[i]);
    h1_RDetaBinP = new RooDataHist("h1_RDetaBinP","h1_RDetaBinP",RooArgSet(x),hRDetaBinP[i]);
    h1_RDetaBinM = new RooDataHist("h1_RDetaBinM","h1_RDetaBinM",RooArgSet(x),hRDetaBinM[i]);

    //=============================
    //Gauss function
    //=============================
    RooRealVar meanMCp("meanMCp","",91.2,80,100);
    RooRealVar meanRDp("meanRDp","",91.2,80,100);
    RooRealVar meanMCm("meanMCm","",91.2,80,100);
    RooRealVar meanRDm("meanRDm","",91.2,80,100);
    RooRealVar sigmaMCp("sigmaMCp","",5,-50.,50.);
    RooRealVar sigmaRDp("sigmaRDp","",5,-50.,50.);
    RooRealVar sigmaMCm("sigmaMCm","",5,-50.,50.);
    RooRealVar sigmaRDm("sigmaRDm","",5,-50.,50.);

    RooGaussian mcModelp("mcModelp", "",x,meanMCp,sigmaMCp);
    RooGaussian mcModelm("mcModelm", "",x,meanMCm,sigmaMCm);
    RooGaussian dataModelp("dataModelp", "",x,meanRDp,sigmaRDp);
    RooGaussian dataModelm("dataModelm", "",x,meanRDm,sigmaRDm);

    //==================================
    //Fit Zmass distribution with Gaussian function
    //=============================
    mcModelp.fitTo(*h1_MCetaBinP,Range("R0"));
    mcModelm.fitTo(*h1_MCetaBinM,Range("R0"));
    dataModelp.fitTo(*h1_RDetaBinP,Range("R0"));
    dataModelm.fitTo(*h1_RDetaBinM,Range("R0"));

    //==================================
    //Fill 2D plots: etaBins and mean values
    //=============================
    hMCmeanp->SetBinContent(i+1,meanMCp.getVal());
    hRDmeanp->SetBinContent(i+1,meanRDp.getVal());
    hMCmeanm->SetBinContent(i+1,meanMCm.getVal());
    hRDmeanm->SetBinContent(i+1,meanRDm.getVal());

    hMCmeanp->SetBinError(i+1,meanMCp.getError());
    hRDmeanp->SetBinError(i+1,meanRDp.getError());
    hMCmeanm->SetBinError(i+1,meanMCm.getError());
    hRDmeanm->SetBinError(i+1,meanRDm.getError());

    hMCwidthp->SetBinContent(i+1,sigmaMCp.getVal());
    hRDwidthp->SetBinContent(i+1,sigmaRDp.getVal());
    hMCwidthm->SetBinContent(i+1,sigmaMCm.getVal());
    hRDwidthm->SetBinContent(i+1,sigmaRDm.getVal());

    hMCwidthp->SetBinError(i+1,sigmaMCp.getError());
    hRDwidthp->SetBinError(i+1,sigmaRDp.getError());
    hMCwidthm->SetBinError(i+1,sigmaMCm.getError());
    hRDwidthm->SetBinError(i+1,sigmaRDm.getError());

    cout<<meanMCp.getVal()<<"\t"<<meanMCm.getVal()<<"\t"<<meanRDp.getVal()<<"\t"<<meanRDm.getVal()<<endl;
    RooPlot* pframe = x.frame(Bins(40));
    RooPlot* mframe = x.frame(Bins(40));

    //==================================
    //Draw muon plus
    //==================================
    sprintf(tmpName,"pFit_etaBin%d_noCorr",i);
    plotTitle = "Wpt: " + mu_etaRange[i] + " of #mu^{+}, before correction";
    if(corrName=="CorrTotalRegion")
    {
      sprintf(tmpName,"pFit_etaBin%d_Corr",i);
      plotTitle = "Wpt: " + mu_etaRange[i] + " of #mu^{+}, after correction";
    }
    sprintf(histName,"Events / %.1f",hMCetaBinP[i]->GetBinWidth(1));
    plotMllEtaBinP = new CPlot(tmpName,pframe,plotTitle,"M_{#mu#mu} [GeV]",histName);
    plotMllEtaBinP->setOutDir(CPlot::sOutDir);

    plotMllEtaBinP->SetLegend(0.7,0.7,0.88,0.82);
    h1_MCetaBinP->plotOn(pframe,LineColor(kRed),MarkerColor(kRed),MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"),DataError(RooAbsData::SumW2));
    mcModelp.plotOn(pframe,LineColor(kRed));
    h1_RDetaBinP->plotOn(pframe,LineColor(kBlack),MarkerColor(kBlack),MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"),DataError(RooAbsData::SumW2));
    dataModelp.plotOn(pframe,LineColor(kBlack));
    plotMllEtaBinP->GetLegend()->AddEntry(hMCetaBinP[i],"Z #rightarrow #mu#mu","pl");
    plotMllEtaBinP->GetLegend()->AddEntry(hRDetaBinP[i],"Data","pl");

    sprintf(tmpName,"MC: #mu=%.2f #pm %.2f, #sigma=%.2f #pm %.2f",meanMCp.getVal(),meanMCp.getError(),sigmaMCp.getVal(),sigmaMCp.getError());
    plotMllEtaBinP->AddTextBox(tmpName,0.20,0.83,0.6,0.88,0);
    sprintf(tmpName,"Data: #mu=%.2f #pm %.2f, #sigma=%.2f #pm %.2f",meanRDp.getVal(),meanRDp.getError(),sigmaRDp.getVal(),sigmaRDp.getError());
    plotMllEtaBinP->AddTextBox(tmpName,0.20,0.78,0.6,0.83,0);

    plotMllEtaBinP->SetYRange(0.,1.4*TMath::Max(hRDetaBinP[i]->GetMaximum(),hMCetaBinP[i]->GetMaximum()));

    plotMllEtaBinP->Draw(myCan,kTRUE,"png");

    //==================================
    //Draw muon minus
    //=============================
    sprintf(tmpName,"mFit_etaBin%d_noCorr",i);
    plotTitle = "Wpt: " + mu_etaRange[i] + " of #mu^{-}, before correction";
    if(corrName=="CorrTotalRegion")
    {
      sprintf(tmpName,"mFit_etaBin%d_Corr",i);
      plotTitle = "Wpt: " + mu_etaRange[i] + " of #mu^{-}, after correction";
    }
    sprintf(histName,"Events / %.1f",hMCetaBinM[i]->GetBinWidth(1));
    plotMllEtaBinM = new CPlot(tmpName,mframe,plotTitle,"M_{#mu#mu} [GeV]",histName);
    plotMllEtaBinM->setOutDir(CPlot::sOutDir);

    plotMllEtaBinM->SetLegend(0.7,0.7,0.88,0.82);
    h1_MCetaBinM->plotOn(mframe,LineColor(kRed),MarkerColor(kRed),MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"),DataError(RooAbsData::SumW2));
    mcModelm.plotOn(mframe,LineColor(kRed));
    h1_RDetaBinM->plotOn(mframe,LineColor(kBlack),MarkerColor(kBlack),MarkerStyle(kFullCircle),MarkerSize(0.9),DrawOption("ZP"),DataError(RooAbsData::SumW2));
    dataModelm.plotOn(mframe,LineColor(kBlack));
    plotMllEtaBinM->GetLegend()->AddEntry(hMCetaBinM[i],"Z #rightarrow #mu#mu","pl");
    plotMllEtaBinM->GetLegend()->AddEntry(hRDetaBinM[i],"Data","pl");

    sprintf(tmpName,"MC: #mu=%.2f #pm %.2f, #sigma=%.2f #pm %.2f",meanMCm.getVal(),meanMCm.getError(),sigmaMCm.getVal(),sigmaMCm.getError());
    plotMllEtaBinM->AddTextBox(tmpName,0.20,0.83,0.6,0.88,0);
    sprintf(tmpName,"Data: #mu=%.2f #pm %.2f, #sigma=%.2f #pm %.2f",meanRDm.getVal(),meanRDm.getError(),sigmaRDm.getVal(),sigmaRDm.getError());
    plotMllEtaBinM->AddTextBox(tmpName,0.20,0.78,0.6,0.83,0);

    plotMllEtaBinM->SetYRange(0.,1.4*TMath::Max(hRDetaBinM[i]->GetMaximum(),hMCetaBinM[i]->GetMaximum()));

    plotMllEtaBinM->Draw(myCan,kTRUE,"png");
  }

  //==================================
  //Save Mean and Width histograms to root file
  //==================================
  TString filename = outputDir + "/Wpt_MeanWidth_Gaus_" + corrName + ".root";
  TFile *outfile = new TFile(filename,"RECREATE");
  hMCmeanp ->Write();
  hMCmeanm ->Write();
  hMCwidthp->Write();
  hMCwidthm->Write();
  hRDmeanp ->Write();
  hRDmeanm ->Write();
  hRDwidthp->Write();
  hRDwidthm->Write();
  outfile->Close();

  //==================================
  //Draw 2D plots
  //==================================
  TString histoName = "plusMean_" + corrName;
  plotTitle = "Wpt: mean at #eta of #mu^{+}, before correction";
  if(corrName=="CorrTotalRegion")
    plotTitle = "Wpt: mean at #eta of #mu^{+}, after correction";
  plotMllEtameanP= new CPlot(histoName,plotTitle,"#eta of #mu^{+}","Mean of M(#mu^{+}#mu^{-})");
  plotMllEtameanP->setOutDir(CPlot::sOutDir);
  plotMllEtameanP->AddHist1D(hMCmeanp,"Z#rightarrow #mu#mu","E1",kRed);
  plotMllEtameanP->AddHist1D(hRDmeanp,"Data","E1",kBlack);
                
  plotMllEtameanP->SetLegend(0.7,0.7,0.88,0.82);
  plotMllEtameanP->SetYRange(90,92);
  plotMllEtameanP->Draw(myCan,kTRUE,format);

  histoName = "minusMean_" + corrName;
  plotTitle = "Wpt: mean at #eta of #mu^{-}, before correction";
  if(corrName=="CorrTotalRegion")
    plotTitle = "Wpt: mean at #eta of #mu^{-}, after correction";
  plotMllEtameanM= new CPlot(histoName,plotTitle,"#eta of #mu^{-}","Mean of M(#mu^{+}#mu^{-})");
  plotMllEtameanM->setOutDir(CPlot::sOutDir);
  plotMllEtameanM->AddHist1D(hMCmeanm,"Z#rightarrow #mu#mu","E1",kRed);
  plotMllEtameanM->AddHist1D(hRDmeanm,"Data","E1",kBlack);
                
  plotMllEtameanM->SetLegend(0.7,0.7,0.88,0.82);
  plotMllEtameanM->SetYRange(90,92);
  plotMllEtameanM->Draw(myCan,kTRUE,format);

  histoName = "plusWidth_" + corrName;
  plotTitle = "Wpt: width at #eta of #mu^{+}, before correction";
  if(corrName=="CorrTotalRegion")
    plotTitle = "Wpt: width at #eta of #mu^{+}, after correction";
  plotMllEtawidthP= new CPlot(histoName,plotTitle,"#eta of #mu^{+}","Width of M(#mu^{+}#mu^{-})");
  plotMllEtawidthP->setOutDir(CPlot::sOutDir);
  plotMllEtawidthP->AddHist1D(hMCwidthp,"Z#rightarrow #mu#mu","E1",kRed);
  plotMllEtawidthP->AddHist1D(hRDwidthp,"Data","E1",kBlack);
                 
  plotMllEtawidthP->SetLegend(0.7,0.7,0.88,0.82);
  plotMllEtawidthP->SetYRange(1.5,3);
  plotMllEtawidthP->Draw(myCan,kTRUE,format);

  histoName = "minusWidth_" + corrName;
  plotTitle = "Wpt: width at #eta of #mu^{-}, before correction";
  if(corrName=="CorrTotalRegion")
    plotTitle = "Wpt: width at #eta of #mu^{-}, after correction";
  plotMllEtawidthM= new CPlot(histoName,plotTitle,"#eta of #mu^{-}","Width of M(#mu^{+}#mu^{-})");
  plotMllEtawidthM->setOutDir(CPlot::sOutDir);
  plotMllEtawidthM->AddHist1D(hMCwidthm,"Z#rightarrow #mu#mu","E1",kRed);
  plotMllEtawidthM->AddHist1D(hRDwidthm,"Data","E1",kBlack);
                 
  plotMllEtawidthM->SetLegend(0.7,0.7,0.88,0.82);
  plotMllEtawidthM->SetYRange(1.5,3);
  plotMllEtawidthM->Draw(myCan,kTRUE,format);
}