Exemple #1
0
void voigtian(RooDataSet *dataset, RooDataSet *dataset2, RooRealVar &variable, RooPlot *fitFrame, RooBinning b, double rangeMin, double rangeMax, vector <double> &fitParameters)
{
        RooRealVar mean("mean","mean",0.0,-0.1,0.1);
        RooRealVar sigma("sigma","sigma",0.5,0.0,1.0);
        RooRealVar width("width","width",0.5,0.0,1.0);

        RooVoigtian * pdf = new RooVoigtian("pdf","Voigtian",variable,mean,sigma,width);

        dataset->plotOn(fitFrame,Name("myhist"),Binning(b),DataError(RooAbsData::SumW2));

        RooFitResult * res = pdf->fitTo(*dataset, Range(rangeMin, rangeMax),Save(),SumW2Error(kTRUE));
	res->Print();

	//minNll = res->minNll();
        
	pdf->plotOn(fitFrame,Name("mycurve"));


	fitParameters.push_back(3); // nb of fit parameters

	fitParameters.push_back(mean.getVal());
	fitParameters.push_back(mean.getError());

	fitParameters.push_back(sigma.getVal());
        fitParameters.push_back(sigma.getError());
	
	fitParameters.push_back(width.getVal());
        fitParameters.push_back(width.getError());		
	

}
Exemple #2
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;
}
Exemple #3
0
bool fitCharmoniaMassModel( RooWorkspace& myws,            // Local Workspace
                            const RooWorkspace& inputWorkspace,  // Workspace with all the input RooDatasets
                            struct KinCuts& cut,           // Variable containing all kinematic cuts
                            map<string, string>&  parIni,  // Variable containing all initial parameters
                            struct InputOpt& opt,          // Variable with run information (kept for legacy purpose)
                            string outputDir,              // Path to output directory
                            // Select the type of datasets to fit
                            string DSTAG,                  // Specifies the type of datasets: i.e, DATA, MCJPSINP, ...
                            bool isPbPb      = false,      // isPbPb = false for pp, true for PbPb
                            bool importDS    = true,       // Select if the dataset is imported in the local workspace
                            // Select the type of object to fit
                            bool incJpsi     = true,       // Includes Jpsi model
                            bool incPsi2S    = true,       // Includes Psi(2S) model
                            bool incBkg      = true,       // Includes Background model
                            // Select the fitting options
                            bool doFit       = true,       // Flag to indicate if we want to perform the fit
                            bool cutCtau     = false,      // Apply prompt ctau cuts
                            bool doConstrFit   = false,    // Do constrained fit
                            bool doSimulFit  = false,      // Do simultaneous fit
                            bool wantPureSMC = false,      // Flag to indicate if we want to fit pure signal MC
                            const char* applyCorr ="",     // Flag to indicate if we want corrected dataset and which correction
                            uint loadFitResult = false,    // Load previous fit results
                            string inputFitDir = "",       // Location of the fit results
                            int  numCores    = 2,          // Number of cores used for fitting
                            // Select the drawing options
                            bool setLogScale = true,       // Draw plot with log scale
                            bool incSS       = false,      // Include Same Sign data
                            bool zoomPsi     = false,      // Zoom Psi(2S) peak on extra pad
                            double  binWidth = 0.05,       // Bin width used for plotting
                            bool getMeanPT   = false       // Compute the mean PT (NEED TO FIX)
                            )  
{

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

  // Check if input dataset is MC
  bool isMC = false;
  if (DSTAG.find("MC")!=std::string::npos) {
    if (incJpsi && incPsi2S) { 
      cout << "[ERROR] We can only fit one type of signal using MC" << endl; return false; 
    }
    isMC = true;
  }
  wantPureSMC = (isMC && wantPureSMC);
  bool cutSideBand = (incBkg && (!incPsi2S && !incJpsi));
  bool applyWeight_Corr = ( strcmp(applyCorr,"") );
  
  // Define the mass range
  setMassCutParameters(cut, incJpsi, incPsi2S, isMC);
  parIni["invMassNorm"] = Form("RooFormulaVar::%s('( -1.0 + 2.0*( @0 - @1 )/( @2 - @1) )', {%s, mMin[%.6f], mMax[%.6f]})", "invMassNorm", "invMass", cut.dMuon.M.Min, cut.dMuon.M.Max );
  // Apply the ctau cuts to reject non-prompt charmonia
  if (cutCtau) { setCtauCuts(cut, isPbPb); }
  
  string COLL = (isPbPb ? "PbPb" : "PP" );
  string plotLabelPbPb,  plotLabelPP;

  if (doSimulFit || !isPbPb) {
    // Set models based on initial parameters
    struct OniaModel model;
    if (!setMassModel(model, parIni, false, incJpsi, incPsi2S, incBkg)) { return false; }

    // Import the local datasets
    double numEntries = 1000000;
    string label = ((DSTAG.find("PP")!=std::string::npos) ? DSTAG.c_str() : Form("%s_%s", DSTAG.c_str(), "PP"));
    if (wantPureSMC) label += "_NoBkg";
    if (applyWeight_Corr) label += Form("_%s",applyCorr);
    string dsName = Form("dOS_%s", label.c_str());
    if (importDS) {
      if ( !(myws.data(dsName.c_str())) ) {
        int importID = importDataset(myws, inputWorkspace, cut, label, cutSideBand);
        if (importID<0) { return false; }
        else if (importID==0) { doFit = false; }
      }
      numEntries = myws.data(dsName.c_str())->sumEntries(); if (numEntries<=0) { doFit = false; }
    }
    else if (doFit && !(myws.data(dsName.c_str()))) { cout << "[ERROR] No local dataset was found to perform the fit!" << endl; return false; }
    if (myws.data(dsName.c_str())) numEntries = myws.data(dsName.c_str())->sumEntries();

    // Set global parameters
    setMassGlobalParameterRange(myws, parIni, cut, incJpsi, incPsi2S, incBkg, wantPureSMC);

    // Build the Fit Model
    if (!buildCharmoniaMassModel(myws, model.PP, parIni, false, doConstrFit, doSimulFit, incBkg, incJpsi, incPsi2S, numEntries))  { return false; }

    // Define plot names
    if (incJpsi)  { plotLabelPP += Form("_Jpsi_%s", parIni["Model_Jpsi_PP"].c_str());   } 
    if (incPsi2S) { plotLabelPP += Form("_Psi2S_%s", parIni["Model_Psi2S_PP"].c_str()); }
    if (incBkg)   { plotLabelPP += Form("_Bkg_%s", parIni["Model_Bkg_PP"].c_str());     }
    if (wantPureSMC) plotLabelPP +="_NoBkg";
    if (applyWeight_Corr) plotLabelPP +=Form("_%s",applyCorr);
  }

  if (doSimulFit || isPbPb) {
    // Set models based on initial parameters
    struct OniaModel model;
    if (!setMassModel(model, parIni, true, incJpsi, incPsi2S, incBkg)) { return false; }

    // Import the local datasets
    double numEntries = 1000000;
    string label = ((DSTAG.find("PbPb")!=std::string::npos) ? DSTAG.c_str() : Form("%s_%s", DSTAG.c_str(), "PbPb"));
    if (wantPureSMC) label += "_NoBkg";
    if (applyWeight_Corr) label += Form("_%s",applyCorr);
    string dsName = Form("dOS_%s", label.c_str());
    if (importDS) {
      if ( !(myws.data(dsName.c_str())) ) {
        int importID = importDataset(myws, inputWorkspace, cut, label, cutSideBand);
        if (importID<0) { return false; }
        else if (importID==0) { doFit = false; }
      }
      numEntries = myws.data(dsName.c_str())->sumEntries(); if (numEntries<=0) { doFit = false; }
    }
    else if (doFit && !(myws.data(dsName.c_str()))) { cout << "[ERROR] No local dataset was found to perform the fit!" << endl; return false; }
    if (myws.data(dsName.c_str())) numEntries = myws.data(dsName.c_str())->sumEntries();
      
    // Set global parameters
    setMassGlobalParameterRange(myws, parIni, cut, incJpsi, incPsi2S, incBkg, wantPureSMC);

    // Build the Fit Model
    if (!buildCharmoniaMassModel(myws, model.PbPb, parIni, true, doConstrFit, doSimulFit, incBkg, incJpsi, incPsi2S, numEntries))  { return false; }

    // Define plot names
    if (incJpsi)  { plotLabelPbPb += Form("_Jpsi_%s", parIni["Model_Jpsi_PbPb"].c_str());   } 
    if (incPsi2S) { plotLabelPbPb += Form("_Psi2S_%s", parIni["Model_Psi2S_PbPb"].c_str()); }
    if (incBkg)   { plotLabelPbPb += Form("_Bkg_%s", parIni["Model_Bkg_PbPb"].c_str());     }
    if (wantPureSMC) plotLabelPbPb += "_NoBkg";
    if (applyWeight_Corr) plotLabelPbPb += Form("_%s",applyCorr);
  }

  if (doSimulFit) {
    // Create the combided datasets
    RooCategory* sample = new RooCategory("sample","sample"); sample->defineType("PbPb"); sample->defineType("PP");
    RooDataSet*  combData = new RooDataSet("combData","combined data", *myws.var("invMass"), Index(*sample),
                                           Import("PbPb", *((RooDataSet*)myws.data("dOS_DATA_PbPb"))),
                                           Import("PP",   *((RooDataSet*)myws.data("dOS_DATA_PP")))
                                           );
    myws.import(*sample);

    // Create the combided models
    RooSimultaneous* simPdf = new RooSimultaneous("simPdf", "simultaneous pdf", *sample);
    simPdf->addPdf(*myws.pdf("pdfMASS_Tot_PbPb"), "PbPb"); simPdf->addPdf(*myws.pdf("pdfMASS_Tot_PP"), "PP");
    myws.import(*simPdf);

    // check if we have already done this fit. If yes, do nothing and return true.
    string FileName = "";
    setMassFileName(FileName, (inputFitDir=="" ? outputDir : inputFitDir), DSTAG, (plotLabelPP + plotLabelPbPb), cut, isPbPb, cutSideBand, doSimulFit);
    if (gSystem->AccessPathName(FileName.c_str()) && inputFitDir!="") {
      cout << "[WARNING] User Input File : " << FileName << " was not found!" << endl;
      if (loadFitResult) return false;
      setMassFileName(FileName, outputDir, DSTAG, (plotLabelPP + plotLabelPbPb), cut, isPbPb, cutSideBand, doSimulFit);
    }
    bool found =  true; bool skipFit = !doFit;
    RooArgSet *newpars = myws.pdf("simPdf")->getParameters(*(myws.var("invMass")));
    myws.saveSnapshot("simPdf_parIni", *newpars, kTRUE);
    found = found && isFitAlreadyFound(newpars, FileName, "simPdf");
    if (loadFitResult) {
      if ( loadPreviousFitResult(myws, FileName, DSTAG, false, (!isMC && !cutSideBand && loadFitResult==1), loadFitResult==1) ) { skipFit = true; } else { skipFit = false; }
      if ( loadPreviousFitResult(myws, FileName, DSTAG, true, (!isMC && !cutSideBand && loadFitResult==1), loadFitResult==1)  ) { skipFit = true; } else { skipFit = false; }
      if (skipFit) { cout << "[INFO] This simultaneous mass fit was already done, so I'll load the fit results." << endl; }
      myws.saveSnapshot("simPdf_parLoad", *newpars, kTRUE);
    } else if (found) {
      cout << "[INFO] This simultaneous mass fit was already done, so I'll just go to the next one." << endl;
      return true;
    }

    // Do the simultaneous fit
    if (skipFit==false) {
      RooFitResult* fitResult = simPdf->fitTo(*combData, Offset(kTRUE), Extended(kTRUE), NumCPU(numCores), Range("MassWindow"), Save()); //, Minimizer("Minuit2","Migrad")
      fitResult->Print("v");
      myws.import(*fitResult, "fitResult_simPdf"); 
      // Create the output files
      int nBins = min(int( round((cut.dMuon.M.Max - cut.dMuon.M.Min)/binWidth) ), 1000);
      drawMassPlot(myws, outputDir, opt, cut, parIni, plotLabelPP, DSTAG, false, incJpsi, incPsi2S, incBkg, cutCtau, doSimulFit, false, setLogScale, incSS, zoomPsi, nBins, getMeanPT);
      drawMassPlot(myws, outputDir, opt, cut, parIni, plotLabelPbPb, DSTAG, true, incJpsi, incPsi2S, incBkg, cutCtau, doSimulFit, false, setLogScale, incSS, zoomPsi, nBins, getMeanPT);
      // Save the results
      string FileName = ""; setMassFileName(FileName, outputDir, DSTAG, (plotLabelPP + plotLabelPbPb), cut, isPbPb, cutSideBand, doSimulFit);
      myws.saveSnapshot("simPdf_parFit", *newpars, kTRUE);
      saveWorkSpace(myws, Form("%smass%s/%s/result", outputDir.c_str(), (cutSideBand?"SB":""), DSTAG.c_str()), FileName);
      // Delete the objects used during the simultaneous fit
      delete sample; delete combData; delete simPdf;
    }
  }
  else {
    // Define pdf and plot names
    string pdfName = Form("pdfMASS_Tot_%s", COLL.c_str());
    string plotLabel = (isPbPb ? plotLabelPbPb : plotLabelPP);

    // Import the local datasets
    string label = ((DSTAG.find(COLL.c_str())!=std::string::npos) ? DSTAG.c_str() : Form("%s_%s", DSTAG.c_str(), COLL.c_str()));
    if (wantPureSMC) label += "_NoBkg";
    if (applyWeight_Corr) label += Form("_%s",applyCorr);
    string dsName = Form("dOS_%s", label.c_str());
      
    // check if we have already done this fit. If yes, do nothing and return true.
    string FileName = "";
    setMassFileName(FileName, (inputFitDir=="" ? outputDir : inputFitDir), DSTAG, plotLabel, cut, isPbPb, cutSideBand);
    if (gSystem->AccessPathName(FileName.c_str()) && inputFitDir!="") {
      cout << "[WARNING] User Input File : " << FileName << " was not found!" << endl;
      if (loadFitResult) return false;
      setMassFileName(FileName, outputDir, DSTAG, plotLabel, cut, isPbPb, cutSideBand);
    }
    bool found =  true; bool skipFit = !doFit;
    RooArgSet *newpars = myws.pdf(pdfName.c_str())->getParameters(*(myws.var("invMass")));
    found = found && isFitAlreadyFound(newpars, FileName, pdfName.c_str());
    if (loadFitResult) {
      if ( loadPreviousFitResult(myws, FileName, DSTAG, isPbPb, (!isMC && !cutSideBand && loadFitResult==1), loadFitResult==1) ) { skipFit = true; } else { skipFit = false; } 
      if (skipFit) { cout << "[INFO] This mass fit was already done, so I'll load the fit results." << endl; }
      myws.saveSnapshot(Form("%s_parLoad", pdfName.c_str()), *newpars, kTRUE);
    } else if (found) {
      cout << "[INFO] This mass fit was already done, so I'll just go to the next one." << endl;
      return true;
    }

    // Fit the Datasets
    if (skipFit==false) {
      bool isWeighted = myws.data(dsName.c_str())->isWeighted();
      RooFitResult* fitResult(0x0);
      if (doConstrFit)
      {
        cout << "[INFO] Performing constrained fit" << endl;
        
        if (isPbPb) {
          cout << "[INFO] Constrained variables: alpha, n, ratio of sigmas" << endl;
          fitResult = myws.pdf(pdfName.c_str())->fitTo(*myws.data(dsName.c_str()), Extended(kTRUE), SumW2Error(isWeighted), Range(cutSideBand ? parIni["BkgMassRange_FULL_Label"].c_str() : "MassWindow"), ExternalConstraints(RooArgSet(*(myws.pdf("sigmaAlphaConstr")),*(myws.pdf("sigmaNConstr")),*(myws.pdf("sigmaRSigmaConstr")))), NumCPU(numCores), Save());
        }
        else {
          cout << "[INFO] Constrained variables: alpha, n, ratio of sigmas" << endl;
          fitResult = myws.pdf(pdfName.c_str())->fitTo(*myws.data(dsName.c_str()), Extended(kTRUE), SumW2Error(isWeighted), Range(cutSideBand ? parIni["BkgMassRange_FULL_Label"].c_str() : "MassWindow"), ExternalConstraints(RooArgSet(*(myws.pdf("sigmaAlphaConstr")),*(myws.pdf("sigmaNConstr")))), NumCPU(numCores), Save());
        }
      }
      else
      {
       fitResult = myws.pdf(pdfName.c_str())->fitTo(*myws.data(dsName.c_str()), Extended(kTRUE), SumW2Error(isWeighted), Range(cutSideBand ? parIni["BkgMassRange_FULL_Label"].c_str() : "MassWindow"), NumCPU(numCores), Save());
      }
      fitResult->Print("v"); 
      myws.import(*fitResult, Form("fitResult_%s", pdfName.c_str())); 
      // Create the output files
      int nBins = min(int( round((cut.dMuon.M.Max - cut.dMuon.M.Min)/binWidth) ), 1000);
      drawMassPlot(myws, outputDir, opt, cut, parIni, plotLabel, DSTAG, isPbPb, incJpsi, incPsi2S, incBkg, cutCtau, doSimulFit, wantPureSMC, setLogScale, incSS, zoomPsi, nBins, getMeanPT);
      // Save the results
      string FileName = ""; setMassFileName(FileName, outputDir, DSTAG, plotLabel, cut, isPbPb, cutSideBand);
      myws.saveSnapshot(Form("%s_parFit", pdfName.c_str()), *newpars, kTRUE);
      saveWorkSpace(myws, Form("%smass%s/%s/result", outputDir.c_str(), (cutSideBand?"SB":""), DSTAG.c_str()), FileName);
    }
  }

  return true;
};
int scaleSmearTemplateFit_Ele(TString RDFile, TString MCFile, char BaseName[30])
{
  cout<<"Processing "<<BaseName<<endl;
  gStyle->SetPalette(1);
  //Output file
  TString ResultDir = "MCRDfitEle_Plot";
  ofstream Fout;
  TString FoutName=ResultDir+"/"+BaseName+"_SummaryFinal.txt";
  Fout.open(FoutName);
  //Variables
  char histName[50];
  //Data and histograms
  TFile *f_RD = new TFile(RDFile);
  TFile *f_MC = new TFile(MCFile);
  TH1D *h1_ZmassDaughEtaRD[ScElCombiBins];
  TH1D *h1_ZmassDaughEtaMC[ScElCombiBins];

  //Plots
  RooPlot *zmassFrameRD;
  RooPlot *zmassFrameMC;
  CPlot *plotFitRD;
  CPlot *plotFitMC;
  RooFitResult* fitResTotalMC;
  RooFitResult* fitResTotalRD;
  //RooFitResult* fitResRD;
  RooFitResult* fitResMCbw[ScElCombiBins];
  RooFitResult* fitResMC[ScElCombiBins];
  RooFitResult* fitResRD[ScElCombiBins];

  TCanvas *myCan = MakeCanvas("myCan","myCan",800,600);
  //Fitting stuff
  RooRealVar *scaleMC[ScaleBins];
  RooRealVar *scaleRD[ScaleBins];
  RooRealVar *smearRD[ScaleBins];
  RooRealVar *smearMC[ScaleBins];


  RooRealVar *nSRD[ScElCombiBins];
  RooRealVar *nBRD[ScElCombiBins];
  RooRealVar *CBalpha[ScElCombiBins];
  RooRealVar *CBn[ScElCombiBins];

  RooFormulaVar *scaleScaleMC[ScElCombiBins];
  RooFormulaVar *scaleScaleRD[ScElCombiBins];
  RooFormulaVar *smearSmearMC[ScElCombiBins];
  RooFormulaVar *smearSmearRD[ScElCombiBins];

  RooRealVar zMass("zMass","zMass",60,120);
  RooCategory rooCat("rooCat","rooCat");
  RooDataHist *ZmassRD[ScElCombiBins];

// RooDataHist *ZmassMC;
 RooDataHist *ZmassMC[ScElCombiBins];
//  CBreitWigner *BW[ScElCombiBins];
  CBreitWignerConvCrystalBall *BWCB[ScElCombiBins];
  CBreitWignerConvCrystalBallScale *BWCBsCale[ScElCombiBins];
  CBreitWignerMC  *BWMC[ScElCombiBins];
  CBreitWignerRD  *BWRD[ScElCombiBins];

  RooGaussian *gaus[ScElCombiBins];
  RooCBShape *cbMC[ScElCombiBins];
  RooCBShape *cbRD[ScElCombiBins];

  CErfExpo *ZbgRD[ScElCombiBins];

  CExponential *ZbgExpRD[ScElCombiBins];

  RooAbsPdf *pdfRDsig[ScElCombiBins];
  RooAbsPdf *pdfMCsig[ScElCombiBins];
  //RooAddPdf *pdfRDsig[ScElCombiBins];
  RooAbsPdf *histPdf[ScElCombiBins];
  RooAddPdf *pdfRD[ScElCombiBins];


  //Initialization
  for(int i(0);i<ScaleBins;i++)
  {
    sprintf(histName,"scaleMC_%d",i);
    scaleMC[i] = new RooRealVar(histName, histName,1.01,0.001,3);
    sprintf(histName,"scaleRD_%d",i);
    scaleRD[i] = new RooRealVar(histName, histName,1.01,0.001,3);
    sprintf(histName,"smearMC_%d",i);
    smearMC[i] = new RooRealVar(histName,histName,0.5,0.01,3);
    sprintf(histName,"smearRD_%d",i);
    smearRD[i] = new RooRealVar(histName,histName,0.5,0.01,3);
  }

  for(int i(0);i<ScElCombiBins;i++)
  {
    sprintf(histName,"nBRD_%d",i);
    nBRD[i] = new RooRealVar(histName, histName,0.1,0.01,1);
    sprintf(histName,"nSRD_%d",i);
    nSRD[i]= new RooRealVar(histName,histName,1,0,2);
    sprintf(histName,"CBalpha_%d",i); 
    CBalpha[i]= new RooRealVar(histName,histName,5,0,20);
    sprintf(histName,"CBn_%d",i);     
    CBn[i]     = new RooRealVar(histName,histName,1,0,10);

    sprintf(histName,"cat_%d",i);
    rooCat.defineType(histName);
  }

  RooSimultaneous pdfTotalMC("pdfTotalMC","pdfTotalMC",rooCat);
  map<string,TH1*>hmapMC;
  RooSimultaneous pdfTotalRD("pdfTotalRD","pdfTotalRD",rooCat);
  map<string,TH1*>hmapRD;

 
  //*
  ///scaleScale
  sprintf(histName,"scaleScaleMC_0");
  scaleScaleMC[0] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[0],*scaleMC[0]));
  sprintf(histName,"scaleScaleMC_1");
  scaleScaleMC[1] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[0],*scaleMC[1]));
  sprintf(histName,"scaleScaleMC_2");
  scaleScaleMC[2] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[0],*scaleMC[2]));
  sprintf(histName,"scaleScaleMC_3");
  scaleScaleMC[3] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[0],*scaleMC[3]));
  sprintf(histName,"scaleScaleMC_4");
  scaleScaleMC[4] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[0],*scaleMC[4]));
  sprintf(histName,"scaleScaleMC_5");
  scaleScaleMC[5] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[0],*scaleMC[5]));
  sprintf(histName,"scaleScaleMC_6");
  scaleScaleMC[6] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[1],*scaleMC[1]));

  sprintf(histName,"scaleScaleMC_7");
  scaleScaleMC[7] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[1],*scaleMC[2]));
  sprintf(histName,"scaleScaleMC_8");
  scaleScaleMC[8] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[1],*scaleMC[3]));
  sprintf(histName,"scaleScaleMC_9");
  scaleScaleMC[9] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[1],*scaleMC[4]));
  sprintf(histName,"scaleScaleMC_10");
  scaleScaleMC[10] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[1],*scaleMC[5]));
  sprintf(histName,"scaleScaleMC_11");
  scaleScaleMC[11] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[2],*scaleMC[2]));

  sprintf(histName,"scaleScaleMC_12");
  scaleScaleMC[12] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[2],*scaleMC[3]));
  sprintf(histName,"scaleScaleMC_13");
  scaleScaleMC[13] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[2],*scaleMC[4]));
  sprintf(histName,"scaleScaleMC_14");
  scaleScaleMC[14] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[2],*scaleMC[5]));
  sprintf(histName,"scaleScaleMC_15");
  scaleScaleMC[15] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[3],*scaleMC[3]));

  sprintf(histName,"scaleScaleMC_16");
  scaleScaleMC[16] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[3],*scaleMC[4]));
  sprintf(histName,"scaleScaleMC_17");
  scaleScaleMC[17] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[3],*scaleMC[5]));
  sprintf(histName,"scaleScaleMC_18");
  scaleScaleMC[18] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[4],*scaleMC[4]));

  sprintf(histName,"scaleScaleMC_19");
  scaleScaleMC[19] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleMC[4],*scaleMC[5]));
  sprintf(histName,"scaleScaleMC_20");
  scaleScaleMC[20] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleMC[5],*scaleMC[5]));
  //*/


  //*
  ///scaleScale
  sprintf(histName,"scaleScaleRD_0");
  scaleScaleRD[0] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[0],*scaleRD[0]));
  sprintf(histName,"scaleScaleRD_1");
  scaleScaleRD[1] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[0],*scaleRD[1]));
  sprintf(histName,"scaleScaleRD_2");
  scaleScaleRD[2] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[0],*scaleRD[2]));
  sprintf(histName,"scaleScaleRD_3");
  scaleScaleRD[3] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[0],*scaleRD[3]));
  sprintf(histName,"scaleScaleRD_4");
  scaleScaleRD[4] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[0],*scaleRD[4]));
  sprintf(histName,"scaleScaleRD_5");
  scaleScaleRD[5] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[0],*scaleRD[5]));
  sprintf(histName,"scaleScaleRD_6");
  scaleScaleRD[6] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[1],*scaleRD[1]));

  sprintf(histName,"scaleScaleRD_7");
  scaleScaleRD[7] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[1],*scaleRD[2]));
  sprintf(histName,"scaleScaleRD_8");
  scaleScaleRD[8] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[1],*scaleRD[3]));
  sprintf(histName,"scaleScaleRD_9");
  scaleScaleRD[9] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[1],*scaleRD[4]));
  sprintf(histName,"scaleScaleRD_10");
  scaleScaleRD[10] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[1],*scaleRD[5]));
  sprintf(histName,"scaleScaleRD_11");
  scaleScaleRD[11] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[2],*scaleRD[2]));

  sprintf(histName,"scaleScaleRD_12");
  scaleScaleRD[12] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[2],*scaleRD[3]));
  sprintf(histName,"scaleScaleRD_13");
  scaleScaleRD[13] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[2],*scaleRD[4]));
  sprintf(histName,"scaleScaleRD_14");
  scaleScaleRD[14] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[2],*scaleRD[5]));
  sprintf(histName,"scaleScaleRD_15");
  scaleScaleRD[15] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[3],*scaleRD[3]));

  sprintf(histName,"scaleScaleRD_16");
  scaleScaleRD[16] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[3],*scaleRD[4]));
  sprintf(histName,"scaleScaleRD_17");
  scaleScaleRD[17] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[3],*scaleRD[5]));
  sprintf(histName,"scaleScaleRD_18");
  scaleScaleRD[18] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[4],*scaleRD[4]));

  sprintf(histName,"scaleScaleRD_19");
  scaleScaleRD[19] = new RooFormulaVar(histName,"1/sqrt(@0*@1)",RooArgSet(*scaleRD[4],*scaleRD[5]));
  sprintf(histName,"scaleScaleRD_20");
  scaleScaleRD[20] = new RooFormulaVar(histName,"1/sqrt(@0*@0)",RooArgSet(*scaleRD[5],*scaleRD[5]));
//*/


  //*
  ///smearSmear
  sprintf(histName,"smearSmearMC_0");
  smearSmearMC[0] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[0],*smearMC[0]));
  sprintf(histName,"smearSmearMC_1");
  smearSmearMC[1] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[0],*smearMC[1]));
  sprintf(histName,"smearSmearMC_2");
  smearSmearMC[2] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[0],*smearMC[2]));
  sprintf(histName,"smearSmearMC_3");
  smearSmearMC[3] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[0],*smearMC[3]));
  sprintf(histName,"smearSmearMC_4");
  smearSmearMC[4] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[0],*smearMC[4]));
  sprintf(histName,"smearSmearMC_5");
  smearSmearMC[5] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[0],*smearMC[5]));
  sprintf(histName,"smearSmearMC_6");
  smearSmearMC[6] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[1],*smearMC[1]));

  sprintf(histName,"smearSmearMC_7");
  smearSmearMC[7] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[1],*smearMC[2]));
  sprintf(histName,"smearSmearMC_8");
  smearSmearMC[8] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[1],*smearMC[3]));
  sprintf(histName,"smearSmearMC_9");
  smearSmearMC[9] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[1],*smearMC[4]));
  sprintf(histName,"smearSmearMC_10");
  smearSmearMC[10] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[1],*smearMC[5]));
  sprintf(histName,"smearSmearMC_11");
  smearSmearMC[11] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[2],*smearMC[2]));

  sprintf(histName,"smearSmearMC_12");
  smearSmearMC[12] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[2],*smearMC[3]));
  sprintf(histName,"smearSmearMC_13");
  smearSmearMC[13] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[2],*smearMC[4]));
  sprintf(histName,"smearSmearMC_14");
  smearSmearMC[14] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[2],*smearMC[5]));
  sprintf(histName,"smearSmearMC_15");
  smearSmearMC[15] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[3],*smearMC[3]));

  sprintf(histName,"smearSmearMC_16");
  smearSmearMC[16] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[3],*smearMC[4]));
  sprintf(histName,"smearSmearMC_17");
  smearSmearMC[17] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[3],*smearMC[5]));
  sprintf(histName,"smearSmearMC_18");
  smearSmearMC[18] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[4],*smearMC[4]));

  sprintf(histName,"smearSmearMC_19");
  smearSmearMC[19] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearMC[4],*smearMC[5]));
  sprintf(histName,"smearSmearMC_20");
  smearSmearMC[20] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearMC[5],*smearMC[5]));
//*/  


  //*
  ///smearSmear
  sprintf(histName,"smearSmearRD_0");
  smearSmearRD[0] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[0],*smearRD[0]));
  sprintf(histName,"smearSmearRD_1");
  smearSmearRD[1] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[0],*smearRD[1]));
  sprintf(histName,"smearSmearRD_2");
  smearSmearRD[2] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[0],*smearRD[2]));
  sprintf(histName,"smearSmearRD_3");
  smearSmearRD[3] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[0],*smearRD[3]));
  sprintf(histName,"smearSmearRD_4");
  smearSmearRD[4] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[0],*smearRD[4]));
  sprintf(histName,"smearSmearRD_5");
  smearSmearRD[5] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[0],*smearRD[5]));
  sprintf(histName,"smearSmearRD_6");
  smearSmearRD[6] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[1],*smearRD[1]));

  sprintf(histName,"smearSmearRD_7");
  smearSmearRD[7] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[1],*smearRD[2]));
  sprintf(histName,"smearSmearRD_8");
  smearSmearRD[8] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[1],*smearRD[3]));
  sprintf(histName,"smearSmearRD_9");
  smearSmearRD[9] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[1],*smearRD[4]));
  sprintf(histName,"smearSmearRD_10");
  smearSmearRD[10] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[1],*smearRD[5]));
  sprintf(histName,"smearSmearRD_11");
  smearSmearRD[11] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[2],*smearRD[2]));

  sprintf(histName,"smearSmearRD_12");
  smearSmearRD[12] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[2],*smearRD[3]));
  sprintf(histName,"smearSmearRD_13");
  smearSmearRD[13] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[2],*smearRD[4]));
  sprintf(histName,"smearSmearRD_14");
  smearSmearRD[14] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[2],*smearRD[5]));
  sprintf(histName,"smearSmearRD_15");
  smearSmearRD[15] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[3],*smearRD[3]));

  sprintf(histName,"smearSmearRD_16");
  smearSmearRD[16] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[3],*smearRD[4]));
  sprintf(histName,"smearSmearRD_17");
  smearSmearRD[17] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[3],*smearRD[5]));
  sprintf(histName,"smearSmearRD_18");
  smearSmearRD[18] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[4],*smearRD[4]));

  sprintf(histName,"smearSmearRD_19");
  smearSmearRD[19] = new RooFormulaVar(histName,"sqrt(@0*@0+@1*@1)",RooArgSet(*smearRD[4],*smearRD[5]));
  sprintf(histName,"smearSmearRD_20");
  smearSmearRD[20] = new RooFormulaVar(histName,"sqrt(@0*@0+@0*@0)",RooArgSet(*smearRD[5],*smearRD[5]));
//*/

  RooRealVar gaussMean("gaussMean","gaussMean",0);
  gaussMean.setConstant(kTRUE);
  RooRealVar CBMean("CBMean","CBMean",0);
  CBMean.setConstant(kTRUE);
  for(int i(0);i<ScElCombiBins;i++)
  {
    //Getting histogram from RD & MC
    sprintf(histName,"h1_ZmassDaughEtaEle_%d",i);
    h1_ZmassDaughEtaMC[i] = (TH1D*)f_MC->Get(histName)->Clone(histName);
    h1_ZmassDaughEtaRD[i] = (TH1D*)f_RD->Get(histName)->Clone(histName);

    sprintf(histName,"ZmassRD_%d",i);
    ZmassRD[i] =
     new RooDataHist(histName,histName,RooArgSet(zMass),h1_ZmassDaughEtaRD[i]);

    sprintf(histName,"cat_%d",i);
    hmapMC[histName] = h1_ZmassDaughEtaMC[i];
    sprintf(histName,"cat_%d",i);
    hmapRD[histName] = h1_ZmassDaughEtaRD[i];

    // Making template from MC
    sprintf(histName,"ZmassMC_%d",i);
    ZmassMC[i] = new RooDataHist(histName,histName,RooArgSet(zMass),h1_ZmassDaughEtaMC[i]);
    
    sprintf(histName,"cbMC_%d",i);
    cbMC[i] = new RooCBShape(histName,histName,zMass,CBMean,*smearSmearMC[i],*CBalpha[i],*CBn[i]);
    sprintf(histName,"BWMC_%d",i);
    BWMC[i] = new CBreitWignerMC(histName,zMass, scaleScaleMC[i]);

    sprintf(histName,"pdfMCsig_%d",i);
    pdfMCsig[i] = new RooFFTConvPdf(histName,histName,zMass,*(BWMC[i]->model),*cbMC[i]);


    //Making RD pdf
//    sprintf(histName,"gaus_%d",i);
//    gaus[i] = new RooGaussian(histName,histName,zMass,gaussMean,*smearSmearRD[i]);
   
//    sprintf(histName,"BWCBsCale_%d",i);
//    BWCBsCale[i] = new CBreitWignerConvCrystalBallScale
 //     (histName,zMass, scaleScaleRD[i],
 //     BWCB[i]->mean->getVal(),BWCB[i]->sigma->getVal(),BWCB[i]->alpha->getVal(),BWCB[i]->n->getVal());

//*

    sprintf(histName,"cbRD_%d",i);
    cbRD[i] = new RooCBShape(histName,histName,zMass,CBMean,*smearSmearRD[i],*CBalpha[i],*CBn[i]);

    sprintf(histName,"BWRD_%d",i);
    BWRD[i] = new CBreitWignerRD(histName,zMass, scaleScaleRD[i]);
  sprintf(histName,"pdfRDsig_%d",i);
  //  pdfRDsig[i] = new RooFFTConvPdf(histName,histName,zMass,*(BWCBsCale[i]->model),*gaus[i]);
  pdfRDsig[i] = new RooFFTConvPdf(histName,histName,zMass,*(BWRD[i]->model),*cbRD[i]);
    

    
    sprintf(histName,"cat_%d",i);
    pdfTotalMC.addPdf(*pdfMCsig[i],histName);
 
    sprintf(histName,"cat_%d",i);
    pdfTotalRD.addPdf(*pdfRDsig[i],histName);
  
}
 RooDataHist MCTotal("MCTotal","MCTotal",zMass,rooCat,hmapMC);
 fitResTotalMC = pdfTotalMC.fitTo(MCTotal,Minos(kTRUE),Save(kTRUE),SumW2Error(kTRUE));

 RooDataHist dataTotal("dataTotal","dataTotal",zMass,rooCat,hmapRD);
 fitResTotalRD = pdfTotalRD.fitTo(dataTotal,Minos(kTRUE),Save(kTRUE),SumW2Error(kTRUE));

 Fout<<"bin range \t scale \t smear "<<endl;

  for(int i(0);i<ScaleBins;i++)
  {
//    cout<<" "<<i<<"\t"<<scaleMC[i]->getVal()<<"+"<<scaleMC[i]->getError()<<"\t"<<smearMC[i]->getVal()<<"+"<<smearMC[i]->getError()<<endl;
//    Fout<<" "<<i<<"\t"<<scaleMC[i]->getVal()<<"+"<<scaleMC[i]->getError()<<"\t"<<smearMC[i]->getVal()<<"+"<<smearMC[i]->getError()<<endl;
  
//    cout<<" "<<i<<"\t"<<scaleRD[i]->getVal()<<"+"<<scaleRD[i]->getError()<<"\t"<<smearRD[i]->getVal()<<"+"<<smearRD[i]->getError()<<endl;
//    Fout<<" "<<i<<"\t"<<scaleRD[i]->getVal()<<"+"<<scaleRD[i]->getError()<<"\t"<<smearRD[i]->getVal()<<"+"<<smearRD[i]->getError()<<endl;
 



cout<<" "<<i<<"\t"<<scaleRD[i]->getVal()/scaleMC[i]->getVal()<<"+-"<<(scaleRD[i]->getVal()/scaleMC[i]->getVal())*sqrt((scaleRD[i]->getError()*scaleRD[i]->getError())/scaleRD[i]->getVal()/scaleRD[i]->getVal()+(scaleMC[i]->getError()*scaleMC[i]->getError())/scaleMC[i]->getVal()/scaleMC[i]->getVal())<<"\t"<<sqrt(smearRD[i]->getVal()*smearRD[i]->getVal()- smearMC[i]->getVal()*smearMC[i]->getVal())<<"+"<<sqrt(smearRD[i]->getError()*smearRD[i]->getError()+ smearMC[i]->getError()*smearMC[i]->getError())<<endl;

  
Fout<<" "<<i<<"\t"<<scaleRD[i]->getVal()/scaleMC[i]->getVal()<<"+-"<<(scaleRD[i]->getVal()/scaleMC[i]->getVal())*sqrt((scaleRD[i]->getError()*scaleRD[i]->getError())/scaleRD[i]->getVal()/scaleRD[i]->getVal()+(scaleMC[i]->getError()*scaleMC[i]->getError())/scaleMC[i]->getVal()/scaleMC[i]->getVal())<<"\t"<<sqrt(smearRD[i]->getVal()*smearRD[i]->getVal()- smearMC[i]->getVal()*smearMC[i]->getVal())  <<"+"<<sqrt(smearRD[i]->getError()*smearRD[i]->getError()+ smearMC[i]->getError()*smearMC[i]->getError())<<endl;

  }
//*
  for(int i(0);i<ScElCombiBins;i++)
  {
    //*
    zmassFrameMC = zMass.frame();
     ZmassMC[i]->plotOn(zmassFrameMC,DrawOption("p"));
     pdfMCsig[i]->plotOn(zmassFrameMC,DrawOption("l"));
     sprintf(histName,"ZmassMC_%s_%d",BaseName,i);

     plotFitMC = new CPlot(histName,zmassFrameMC,"","Di-Lepton M","");
     plotFitMC->setOutDir(ResultDir);
     plotFitMC->Draw(myCan,kTRUE,"png");
//*/
     zmassFrameRD = zMass.frame();
     ZmassRD[i]->plotOn(zmassFrameRD,DrawOption("p"));
     pdfRDsig[i]->plotOn(zmassFrameRD,DrawOption("l"));
     sprintf(histName,"ZmassRD_%s_%d",BaseName,i);

     plotFitRD = new CPlot(histName,zmassFrameRD,"","Di-Lepton M","");
     plotFitRD->setOutDir(ResultDir);
     plotFitRD->Draw(myCan,kTRUE,"png");
  }
//*/  
  Fout.close();
  return 0;
}
void fitEfficiency(float thres,
		   float mLow=45, float mHigh=70,
		   TString cutdef="pt_HLT>=20", TString cut_choice="HLT",
		   TString dirIn="/data_CMS/cms/ndaci/ndaci_2012/HTauTau/TriggerStudy/SingleMu/MuMu/Run2012A_PRV1/Pairs/", 
		   TString dirResults="/home//llr/cms/ndaci/SKWork/macro/HTauTau/results/TriggerStudies/MuMu/Run2012A_PRV1/",
		   TString lumi="200 pb", int nCPU=4, 
		   int color1=kBlack, int style1=kFullCircle, int color2=kRed, int style2=kOpenSquare,
		   TString fileIn="*.root", TString image="eff_HLT_MuTau")
{
  // STYLE //
  gROOT->Reset();
  loadPresentationStyle();  
  gROOT->ForceStyle();

  // OUTPUT //
  TString name_image = dirResults+"/"+image;
  ofstream fichier(name_image+".txt", ios::out);

  // BINNING //
  const int nbinsEB = 14;
  Double_t binsEB[nbinsEB] = {10., 14., 18., 20., 22., 26., 30., 40., 50., 60., 70., 80, 90, 100};
  RooBinning binningEB = RooBinning(nbinsEB-1, binsEB, "binningEB");

  const int nbinsEE = 14;
  Double_t binsEE[nbinsEE] = {10., 14., 18., 20., 22., 26., 30., 40., 50., 60., 70., 80, 90, 100};
  RooBinning binningEE = RooBinning(nbinsEE-1, binsEE, "binningEE");

  // EB/EE eta cuts //
  TString etacutEB="eta>-1.479 && eta<1.479", etacutEE="eta<=-1.479 || eta>=1.479";
  TString cutdefEB, cutdefEE;
  if(cutdef=="") { 
    cutdefEB=etacutEB;
    cutdefEE=etacutEE;
  }
  else {
    cutdefEB=cutdef+" && "+etacutEB ;
    cutdefEB=cutdef+" && "+etacutEE ;
  }

  // INPUT DATA //
  TChain* treeTnP = new TChain("treeTnP");
  treeTnP->Add(dirIn+"/"+fileIn);

  RooRealVar xaxis("pt","P_{T} [GeV]",0,150) ;
  RooRealVar mass("mass","mass",mLow,mHigh) ;// consider only this mass range when importing data                                      
  RooRealVar eta("eta","eta",-3., 3) ;
  RooRealVar weight("weight","weight",-1,1000) ;
  RooRealVar pt_HLT_tag("pt_HLT_tag","P_{T} [GeV]",0,150) ;
  RooRealVar pt_HLT_tag_sanity("pt_HLT_tag_sanity","P_{T} [GeV]",0,150) ;
  RooRealVar pt_L3("pt_L3","P_{T} [GeV]",0,150) ;
  RooRealVar pt_L25("pt_L25","P_{T} [GeV]",0,150) ;
  RooRealVar pt_L2("pt_L2","P_{T} [GeV]",0,150) ;
  RooRealVar et_L1jet("et_L1_jet","P_{T} [GeV]",0,150) ;
  RooRealVar et_L1tau("et_L1_tau","P_{T} [GeV]",0,150) ;

  // DEFINE EFFICIENCY CUT //
  RooCategory cutHLT("match","") ;
  cutHLT.defineType("accept",1) ;
  cutHLT.defineType("reject",0) ;

  RooCategory cutL1("L1match","") ;
  cutL1.defineType("accept",1) ;
  cutL1.defineType("reject",0) ;

  RooCategory cutL1L2("L1L2match","") ;
  cutL1L2.defineType("accept",1) ;
  cutL1L2.defineType("reject",0) ;

  RooCategory cutL1L2L25("L1L2L25match","") ;
  cutL1L2L25.defineType("accept",1) ;
  cutL1L2L25.defineType("reject",0) ;

  RooCategory cutL1L2L25L3("L1L2L25L3match","") ;
  cutL1L2L25L3.defineType("accept",1) ;
  cutL1L2L25L3.defineType("reject",0) ;

  RooCategory *cut;
  if(cut_choice=="HLT") cut = &cutHLT;
  if(cut_choice=="L1") cut = &cutL1;
  if(cut_choice=="L1L2") cut = &cutL1L2;
  if(cut_choice=="L1L2L25") cut = &cutL1L2L25;
  if(cut_choice=="L1L2L25L3") cut = &cutL1L2L25L3;

  RooDataSet dataSetEB("data","data from tree",
		       RooArgSet(xaxis, *cut,
				 pt_HLT_tag, pt_L3, pt_L25, pt_L2,
				 mass, weight, eta),
		       WeightVar(weight), Import(*treeTnP), Cut(cutdefEB) );
  
  RooDataSet dataSetEE("data","data from tree",
		       RooArgSet(xaxis, *cut,
				 pt_HLT_tag, pt_L3, pt_L25, pt_L2,
				 mass, weight, eta),
		       WeightVar(weight), Import(*treeTnP), Cut(cutdefEE) );
  
  dataSetEB.Print();
  dataSetEE.Print();

  // PLOT //
  RooPlot* frame = xaxis.frame(Bins(18000),Title("Fitted efficiency")) ;
  dataSetEB.plotOn(frame, Binning(binningEB), Efficiency(*cut), MarkerColor(color1), LineColor(color1), MarkerStyle(style1) );
  dataSetEE.plotOn(frame, Binning(binningEE), Efficiency(*cut), MarkerColor(color2), LineColor(color2), MarkerStyle(style2) );

  // PARAMETRES ROOFIT CRYSTAL BALL //
  RooRealVar norm("norm","N",0.95,0.6,1);
  RooRealVar alpha("alpha","#alpha",0.2,0.01,8);
  RooRealVar n("n","n",2,1.1,35);
  RooRealVar mean("mean","mean",10,5,30);
  mean.setVal(thres);
  RooRealVar sigma("sigma","#sigma",0.23,0.01,5);
  RooRealVar pedestal("pedestal","pedestal",0.01,0,0.4);

  FuncCB cb_EB("cb_EB","Fit function EB (cb)",xaxis,mean,sigma,alpha,n,norm) ;
  FuncCB cb_EE("cb_EE","Fit function EE (cb)",xaxis,mean,sigma,alpha,n,norm) ;
  
  RooEfficiency eff_EB("eff_EB","efficiency EB", cb_EB, *cut, "accept");
  RooEfficiency eff_EE("eff_EE","efficiency EE", cb_EE, *cut, "accept");  

  // FIT //
  double fit_cuts_min = thres-1.5 ;
  double fit_cuts_max = 150;
  xaxis.setRange("interesting",fit_cuts_min,fit_cuts_max);

  fichier << "Fit characteristics :" << endl
	  << "Threshold : "          << thres << endl 
	  << "Fit Range : ["         << fit_cuts_min << "," << fit_cuts_max << "]" << endl 
	  << endl << endl;

  RooFitResult* roofitres_EB = new RooFitResult("roofitres_EB","roofitres_EB");
  RooFitResult* roofitres_EE = new RooFitResult("roofitres_EE","roofitres_EE");

  // Fit #1 //
  roofitres_EB = eff_EB.fitTo(dataSetEB,ConditionalObservables(xaxis),Range("interesting"),Minos(kTRUE),Warnings(kFALSE),NumCPU(nCPU),Save(kTRUE),SumW2Error(kTRUE));
  cb_EB.plotOn(frame,LineColor(color1),LineWidth(2));

  fichier << "<----------------- EB ----------------->" << endl
	  << "double res_mean="  << mean.getVal()   << "; "
	  << "double res_sigma=" << sigma.getVal()  << "; "
          << "double res_alpha=" << alpha.getVal()  << "; "
          << "double res_n="     << n.getVal()      << "; "
          << "double res_norm="  << norm.getVal()   << "; "
	  << endl
	  << "double err_mean="  << mean.getError()  << "; "
	  << "double err_sigma=" << sigma.getError() << "; "
          << "double err_alpha=" << alpha.getError() << "; "
          << "double err_n="     << n.getError()     << "; "
          << "double err_norm="  << norm.getErrorLo()<< "; "
	  << endl;

  // Fit #2 //
  roofitres_EE = eff_EE.fitTo(dataSetEE,ConditionalObservables(xaxis),Range("interesting"),Minos(kTRUE),Warnings(kFALSE),NumCPU(nCPU),Save(kTRUE),SumW2Error(kTRUE));
  cb_EE.plotOn(frame,LineColor(color2),LineWidth(2));

  fichier << "<----------------- EE ----------------->" << endl
	  << "double res_mean="  << mean.getVal()   << "; "
	  << "double res_sigma=" << sigma.getVal()  << "; "
          << "double res_alpha=" << alpha.getVal()  << "; "
          << "double res_n="     << n.getVal()      << "; "
          << "double res_norm="  << norm.getVal()   << "; "
	  << endl
	  << "double err_mean="  << mean.getError()  << "; "
	  << "double err_sigma=" << sigma.getError() << "; "
          << "double err_alpha=" << alpha.getError() << "; "
          << "double err_n="     << n.getError()     << "; "
          << "double err_norm="  << norm.getErrorLo()<< "; "
	  << endl;


  ////////////////////////////  DRAWING PLOTS AND LEGENDS /////////////////////////////////
  TCanvas* ca = new TCanvas("ca","Trigger Efficiency") ;

  ca->SetGridx();
  ca->SetGridy();
  ca->cd();
  
  //gPad->SetLogx();
  gPad->SetObjectStat(1);

  frame->GetYaxis()->SetRangeUser(0,1.05);
  frame->GetXaxis()->SetRangeUser(1,150.);
  frame->GetYaxis()->SetTitle("Efficiency");
  frame->GetXaxis()->SetTitle("E_{T} [GeV]");
  frame->Draw() ;

  TH1F *SCeta_EB = new TH1F("SCeta_EB","SCeta_EB",50,-2.5,2.5);
  TH1F *SCeta_EE = new TH1F("SCeta_EE","SCeta_EE",50,-2.5,2.5);

  SCeta_EB->SetLineColor(color1) ;
  SCeta_EB->SetMarkerColor(color1);
  SCeta_EB->SetMarkerStyle(style1);

  SCeta_EE->SetLineColor(color2) ;
  SCeta_EE->SetMarkerColor(color2);
  SCeta_EE->SetMarkerStyle(style2);

  TLegend *leg = new TLegend(0.40, 0.14, 0.63, 0.34, NULL, "brNDC");
  leg->SetLineColor(1);
  leg->SetTextColor(1);
  leg->SetTextFont(42);
  leg->SetTextSize(0.0244755);
  leg->SetShadowColor(kWhite);
  leg->SetFillColor(kWhite);  
  leg->AddEntry("NULL","e #tau electrons efficiency","h");
  //    entry->SetLineColor(1);
  //    entry->SetLineStyle(1);
  //    entry->SetLineWidth(1);
  //    entry->SetMarkerColor(1);
  //    entry->SetMarkerStyle(21);
  //    entry->SetMarkerSize(1);
  //    entry->SetTextFont(62);
  leg->AddEntry(SCeta_EB,"Barrel","p");
  leg->AddEntry(SCeta_EE,"Endcaps","p");
  leg->Draw(); 
  
  ostringstream ossi("");
  ossi << thres;
  TString tossi = ossi.str();

  leg = new TLegend(0.40, 0.30, 0.50, 0.50, NULL, "brNDC");
  leg->SetBorderSize(0);
  leg->SetTextFont(62);
  leg->SetTextSize(0.0297203);
  leg->SetLineColor(0);
  leg->SetLineStyle(1);
  leg->SetLineWidth(1);
  leg->SetFillColor(0);
  leg->SetFillStyle(0);
  leg->AddEntry("NULL","CMS Preliminary 2012 pp  #sqrt{s}=8 TeV","h");
  leg->AddEntry("NULL","#int L dt = "+lumi+"^{-1}","h");
  leg->AddEntry("NULL","Threshold : "+tossi+" GeV","h");
  leg->Draw();
  
  ca->Print(name_image+".C","C");
  ca->Print(name_image+".cxx","cxx");
  ca->Print(name_image+".png","png");
  ca->Print(name_image+".gif","gif");
  ca->Print(name_image+".pdf","pdf");
  ca->Print(name_image+".ps","ps");

  /////////////////////////////
  // SAVE THE ROO FIT RESULT //
  /////////////////////////////

  RooWorkspace *w = new RooWorkspace("workspace","workspace") ;

  w->import(dataSetEB);
  w->import(dataSetEE);
  
  w->import(*roofitres_EB,"roofitres_EB");
  w->import(*roofitres_EE,"roofitres_EE");

  cout << "CREATES WORKSPACE : " << endl;
  w->Print();
  
  w->writeToFile(name_image+"_fitres.root") ;
  //gDirectory->Add(w) ;

  // DELETE POINTERS
  // int a=0;
//   cin >> a;
//   delete treeTnP; delete cut; delete frame; delete roofitres_EB; delete roofitres_EE; delete ca; delete SCeta_EB; delete SCeta_EE; delete leg; delete w;

}