void ParameterCache::setPoint(Combiner *cmb, int i) {
	if ( !m_parametersLoaded ){
		cout << "ParameterCache::setPoint() : ERROR : Can't set starting "
			"point as no starting values have been loaded" << endl;
		exit(1);
	}
	if ( i>=getNPoints() ) {
		if (m_arg->debug) cout << "ParameterCache::setPoint() : ";
		cout << "  ERROR : parameter point number " << i+1 << " not found in file. Exit." << endl;
		exit(1);
	}
	vector<TString> fixNames = getFixedNames(cmb->getConstVars());

	RooWorkspace *w = cmb->getWorkspace();
	if ( m_arg->debug ) cout << "ParameterCache::setPoint() : Setting parameter values for point " << i+1 << endl;

	for (map<TString,double>::iterator it=startingValues[i].begin(); it!=startingValues[i].end(); it++){
		TString name = it->first;
		double val = it->second;
		if ( find(fixNames.begin(), fixNames.end(), name) != fixNames.end() ) {
			if (m_arg->debug) cout << "\tLeft " << Form("%-15s",name.Data()) << " = " << Form("%12.6f",w->var(name)->getVal()) << " constant" << endl;
			continue;
		}
		if ( w->var(name) ) {
			w->var(name)->setVal(val);
			if (m_arg->debug) cout << "\tSet  " << Form("%-15s",name.Data()) << " = " << Form("%12.6f",w->var(name)->getVal()) << endl;
		}
	}
}
예제 #2
0
파일: dimuon.C 프로젝트: neumeist/twobody
Int_t TwoBody::CreateDimuonToyMc( void ){
  //
  // generate a toy di-muon dataset with systematics
  // set mData accordingly
  //

  // generate expected number of events from its uncertainty
  //RooDataSet * _ds = ws->pdf("syst_nbkg_dimuon")->generate(*ws->var("beta_nbkg_dimuon"), 1);
  //Double_t _ntoy = ((RooRealVar *)(_ds->get(0)->first()))->getVal() * (ws->var("nbkg_est_dimuon")->getVal());
  //delete _ds;

  Double_t _beta = GetRandom("syst_nbkg_dimuon", "beta_nbkg_dimuon");
  //  Double_t _kappa = ws->var("nbkg_kappa_dimuon")->getVal();
  Double_t _nbkg_est = ws->var("nbkg_est_dimuon")->getVal();
  //Double_t _ntoy = pow(_kappa,_beta) * _nbkg_est;
  Double_t _ntoy = _beta * _nbkg_est;
 
  Int_t _n = r.Poisson(_ntoy);
  // all nuisance parameters:
  //   beta_nsig_dimuon, 
  //   beta_nbkg_dimuon,
  //   lumi_nuis

  // create dataset
  RooRealVar * _mass = ws->var("mass");
  RooArgSet _vars(*_mass);

  RooAbsPdf * _pdf = ws->pdf("bkgpdf_dimuon");

  RooAbsPdf::GenSpec * _spec = _pdf->prepareMultiGen(_vars,
						     Name("toys"),
						     NumEvents(_n),
						     Extended(kFALSE),
						     Verbose(kTRUE));

  //RooPlot* xframe = _mass->frame(Title("Gaussian p.d.f.")) ;
  //realdata->plotOn(xframe,LineColor(kRed),MarkerColor(kRed));

  delete data;
  data = _pdf->generate(*_spec); // class member
  delete _spec;

  //data->plotOn(xframe);
  //TCanvas* c = new TCanvas("test","rf101_basics",800,400) ;
  //gPad->SetLeftMargin(0.15) ; xframe->GetYaxis()->SetTitleOffset(1.6) ; xframe->Draw() ;
  //c->SaveAs("test.pdf");

  Int_t n_generated_entries = (Int_t)(data->sumEntries());

  // debug
  std::cout << "!!!!!!!!!!!!!! _beta = " << _beta << std::endl;
  //std::cout << "!!!!!!!!!!!!!! _kappa = " << _kappa << std::endl;
  std::cout << "!!!!!!!!!!!!!! _nbkg_est = " << _nbkg_est << std::endl;
  std::cout << "!!!!!!!!!!!!!! _ntoy     = " << _ntoy << std::endl;
  std::cout << "!!!!!!!!!!!!!! _n        = " << _n    << std::endl;
  std::cout << "!!!!!!!!!!!!!! n_generated_entries = " << n_generated_entries    << std::endl;
  return n_generated_entries;
}
예제 #3
0
파일: dimuon.C 프로젝트: neumeist/twobody
double TwoBody::GetPoiUpperSimple(std::string channel, Double_t peak){
  //
  // Estimate a good value for the upper boundary of the range of POI
  // using just data in a window corresponding to the signal region
  //

  std::string legend = "[TwoBody::GetPoiUpperSimple]: ";

  char buf[128];

  // special handling needed for single-channel workspaces
  bool b_single_channel;
  if (channel.size()==0) b_single_channel = true;  else b_single_channel = false;

  double _range = 1.0;

  // get data yield under the signal peak
  ws->var("peak")->setVal(peak);

  if (b_single_channel) sprintf(buf,"width");
  else sprintf(buf,"width_%s",channel.c_str());
  double _width = 0;//ws->function(buf)->getVal();

  if (b_single_channel) sprintf(buf,"sigma");
  else sprintf(buf,"sigma_%s",channel.c_str());
  double _sigma = ws->function(buf)->getVal();

  double c_min = peak - sqrt(_width*_width + _sigma*_sigma);
  double c_max = peak + sqrt(_width*_width + _sigma*_sigma);

  sprintf(buf, "mass>=%f && mass<=%f", c_min, c_max);
  double n_count = data->sumEntries( buf );

  // ad-hoc fix when there are no events in window
  if (n_count < 0.3) n_count = 0.3;
  std::cout << legend << "event yield in data in the window: "
	    << n_count << std::endl;

  // compute the corresponding POI range
  if (b_single_channel) sprintf(buf,"nsig_scale");
  else sprintf(buf,"nsig_scale_%s",channel.c_str());
  double _nsig_scale = ws->var(buf)->getVal();

  if (b_single_channel) sprintf(buf,"nz");
  else sprintf(buf,"nz_%s",channel.c_str());
  double _nz = ws->var(buf)->getVal();

  if (b_single_channel) sprintf(buf,"eff");
  else sprintf(buf,"eff_%s",channel.c_str());
  double _eff = ws->function(buf)->getVal();

  double n_excess = 3.0 * sqrt(n_count)/0.68; // let signal excess be ~ uncertainty on BG
  _range = n_excess / _nsig_scale / _nz / _eff;

  return _range;
}
예제 #4
0
void rf903_numintcache(Int_t mode=0)
{
  // Mode = 0 : Run plain fit (slow)
  // Mode = 1 : Generate workspace with precalculated integral and store it on file (prepare for accelerated running)
  // Mode = 2 : Run fit from previously stored workspace including cached integrals (fast, requires run in mode=1 first)

  // C r e a t e ,   s a v e   o r   l o a d   w o r k s p a c e   w i t h   p . d . f . 
  // -----------------------------------------------------------------------------------

  // Make/load workspace, exit here in mode 1
  RooWorkspace* w = getWorkspace(mode) ;
  if (mode==1) {

    // Show workspace that was created
    w->Print() ;

    // Show plot of cached integral values
    RooDataHist* hhcache = (RooDataHist*) w->expensiveObjectCache().getObj(1) ;

    new TCanvas("rf903_numintcache","rf903_numintcache",600,600) ;
    hhcache->createHistogram("a")->Draw() ;
    
    return ;
  }


  // U s e   p . d . f .   f r o m   w o r k s p a c e   f o r   g e n e r a t i o n   a n d   f i t t i n g 
  // -----------------------------------------------------------------------------------

  // This is always slow (need to find maximum function value empirically in 3D space)
  RooDataSet* d = w->pdf("model")->generate(RooArgSet(*w->var("x"),*w->var("y"),*w->var("z")),1000) ;

  // This is slow in mode 0, but fast in mode 1
  w->pdf("model")->fitTo(*d,Verbose(kTRUE),Timer(kTRUE)) ; 

  // Projection on x (always slow as 2D integral over Y,Z at fitted value of a is not cached)
  RooPlot* framex = w->var("x")->frame(Title("Projection of 3D model on X")) ;
  d->plotOn(framex) ;
  w->pdf("model")->plotOn(framex) ;

  // Draw x projection on canvas
  new TCanvas("rf903_numintcache","rf903_numintcache",600,600) ;
  framex->Draw() ;

  // Make workspace available on command line after macro finishes
  gDirectory->Add(w) ;

  return ;

 
}
예제 #5
0
//#include <typeinfo.h>
void addFlatNuisances(std::string fi){
  gSystem->Load("libHiggsAnalysisCombinedLimit.so");
  TFile *fin = TFile::Open(fi.c_str());
  RooWorkspace *wspace = (RooWorkspace*)fin->Get("w_hmumu");

  wspace->Print("");

  RooStats::ModelConfig *mc = (RooStats::ModelConfig*)wspace->genobj("ModelConfig");
  RooArgSet *nuis = (RooArgSet*) mc->GetNuisanceParameters();
  std::cout << "Before...." << std::endl;
  nuis->Print();
  
  RooRealVar *mgg = (RooRealVar*)wspace->var("mmm");
  // Get all of the "flat" nuisances to be added to the nusiances:
  RooArgSet pdfs = (RooArgSet) wspace->allVars();
  RooAbsReal *pdf;
  TIterator *it_pdf = pdfs.createIterator();
  

  while ( (pdf=(RooAbsReal*)it_pdf->Next()) ){
  	  if (!(std::string(pdf->GetName()).find("zmod") != std::string::npos )) {
  	   if (!(std::string(pdf->GetName()).find("__norm") != std::string::npos )) {
	   	continue;
	   }
	  }
	  pdf->Print();
	  RooArgSet* pdfpars = (RooArgSet*)pdf->getParameters(RooArgSet(*mgg));
	  pdfpars->Print();

	  std::string newname_pdf = (std::string("unconst_")+std::string(pdf->GetName()));
	  wspace->import(*pdf,RooFit::RenameVariable(pdf->GetName(),newname_pdf.c_str()));
	  pdf->SetName(newname_pdf.c_str());
	  nuis->add(*pdf);
  }
 
  wspace->var("MH")->setVal(125.0);
  std::cout << "After..." << std::endl;
  nuis->Print();
  mc->SetNuisanceParameters(*nuis);
  //RooWorkspace *wspace_new = wspace->Clone();
  //mc->SetWorkspace(*wspace_new);
  //wspace_new->import(*mc,true);

  TFile *finew = new TFile((std::string(fin->GetName())+std::string("_unconst.root")).c_str(),"RECREATE");
  //wspace_new->SetName("w");
  finew->WriteTObject(wspace);
  finew->Close();
}
예제 #6
0
파일: dimuon.C 프로젝트: neumeist/twobody
Double_t TwoBody::GetRandom( std::string pdf, std::string var ){
  //
  // generates a random number using a pdf in the workspace
  //
  
  // generate a dataset with one entry
  if (ws!=NULL) {
    RooRealVar * _par = ws->var(var.c_str());
    if (_par!=NULL) {
      RooAbsPdf * _pdf=ws->pdf(pdf.c_str());
      /*
	RooPlot* xframe = _par->frame(Title("p.d.f")) ;
      _pdf->plotOn(xframe);
      TCanvas* c = new TCanvas("test","rf101_basics",800,400) ;
      gPad->SetLeftMargin(0.15) ; xframe->GetYaxis()->SetTitleOffset(1.6) ; xframe->Draw() ;
      c->SaveAs("syst_nbkg.pdf");
      */
      if (_pdf!=NULL) return _pdf->generate(*_par, 1)->get(0)->getRealValue(var.c_str(),0);
      else {
	std::cerr<<"Cannot find RooPdf:"<<pdf<<std::endl;
      }
    }
    else std::cerr<<"Cannot find RooVar:"<<var<<std::endl;
  }
  else std::cerr<<"[BUG]workspace is deleted??"<<var<<std::endl;
  return 0;
}
예제 #7
0
파일: test.cpp 프로젝트: ETHZ/h2gglobe
int main(){
  
  RooMsgService::instance().setGlobalKillBelow(ERROR);
  
  TFile *bkgFile = TFile::Open("comb_svn/hgg.inputbkgdata_8TeV_MVA.root");
  RooWorkspace *bkgWS = (RooWorkspace*)bkgFile->Get("cms_hgg_workspace");
  RooRealVar *mass = (RooRealVar*)bkgWS->var("CMS_hgg_mass");
  RooDataSet *data = (RooDataSet*)bkgWS->data("data_mass_cat0");

  RooRealVar *p1 = new RooRealVar("p1","p1",-2.,-10.,0.);
  RooRealVar *p2 = new RooRealVar("p2","p2",-0.001,-0.01,0.01);
  RooRealVar *p3 = new RooRealVar("p3","p3",-0.0001,-0.01,0.01);

  //RooPowerLawSum *pow1 = new RooPowerLawSum("pow","pow",*mass,RooArgList(*p1));
  //RooPowerLawSum *pow2 = new RooPowerLawSum("pow","pow",*mass,RooArgList(*p1,*p2));
  //RooPowerLawSum *pow3 = new RooPowerLawSum("pow","pow",*mass,RooArgList(*p1,*p2,*p3));

  RooExponentialSum *pow1 = new RooExponentialSum("pow1","pow1",*mass,RooArgList(*p1));
  RooExponentialSum *pow2 = new RooExponentialSum("pow2","pow2",*mass,RooArgList(*p1,*p2));
  RooExponentialSum *pow3 = new RooExponentialSum("pow3","pow3",*mass,RooArgList(*p1,*p2,*p3));

  TCanvas *canv = new TCanvas();
  RooPlot *frame = mass->frame();
  data->plotOn(frame);
  
  cout << "bus" << endl;
  pow1->fitTo(*data,PrintEvalErrors(-1),PrintLevel(-1),Warnings(-1),Verbose(-1));
  cout << "bus" << endl;
  pow1->plotOn(frame);
  pow2->fitTo(*data);
  pow2->plotOn(frame,LineColor(kRed),LineStyle(kDashed));
  pow3->fitTo(*data);
  pow3->plotOn(frame,LineColor(kGreen),LineStyle(7));
  frame->Draw();
  canv->Print("test.pdf");

  TFile *outFile = new TFile("test.root","RECREATE");

  TTree *tree = new TTree("tree","tree");

  vector<double> mu;
  mu.push_back(1.);
  mu.push_back(2.);
  mu.push_back(3.);
  mu.push_back(4.);
  vector<string> label;
  label.push_back("pol");
  label.push_back("pow");
  label.push_back("lau");
  label.push_back("exp");

  tree->Branch("mu",&mu);
  tree->Branch("label",&label);

  tree->Fill();
  outFile->cd();
  tree->Write();
  outFile->Close();
  return 0;
}
void simplePrintResults() {
    vector<string> filenames;
    filenames.push_back("Output/Test2/result/FIT_DATA_Psi2SJpsi_PPPrompt_Bkg_SecondOrderChebychev_pt65300_rap016_cent0200_262620_263757.root");

    const char* parname = "N_Jpsi_PP";

    vector<string>::iterator it = filenames.begin();
    for (it; it<filenames.end(); it++) {
        TFile *f = new TFile(it->c_str());
        if (!f) {
            cout << "Error, " << *it << " not found" << endl;
            continue;
        }
        RooWorkspace *ws = (RooWorkspace*) f->Get("workspace");
        if (!ws) {
            cout << "Error, workspace not found in " << *it << endl;
            continue;
        }

        RooRealVar *var = ws->var(parname);
        if (!ws) {
            cout << "Error, variable " << parname << " not found in " << *it << endl;
            continue;
        }
        cout << *it << " " << var->getVal() << " +- " << var->getError() << endl;
    }
}
예제 #9
0
void gen1(const char* output, const char* suffix) {
  // S e t u p   m o d e l 
  // ---------------------

   gRandom = new TRandom();
   gRandom->SetSeed(0);
   RooWorkspace *ws = new RooWorkspace("workspace");
  // Declare variables x,mean,sigma with associated name, title, initial value and allowed range
  ws->factory("invMass[2,5]");
  RooRealVar *invMass = ws->var("invMass");
  RooRealVar *weight = new RooRealVar("weight","weight",1,0,1e6);
  ws->factory(Form("Gaussian::siga_nonorm_%s(invMass,m_%s[3,2.5,3.5],sigmaa_%s[0.02,0.,0.5])",suffix,suffix,suffix));
  ws->factory(Form("Gaussian::sigb_nonorm_%s(invMass,m_%s,sigmab_%s[0.1,0.,0.5])",suffix,suffix,suffix));
  ws->factory(Form("SUM::sig_nonorm_%s(f_%s[0.8,0,1]*siga_nonorm_%s,sigb_nonorm_%s)",suffix,suffix,suffix,suffix));
  ws->factory(Form("RooExtendPdf::sig_%s(sig_nonorm_%s,Nsig_%s[1e4,-1e5,1e5])",suffix,suffix,suffix));
  ws->factory(Form("Gaussian::sig2_nonorm_%s(invMass,m2_%s[3.5,3.,4.],sigma2_%s[0.1,0.,0.5])",suffix,suffix,suffix));
  ws->factory(Form("RooFormulaVar::Nsig2_%s('@0*@1',{Nsig_%s,frac_%s[0.5,-10,10]})",suffix,suffix,suffix));
  ws->factory(Form("RooExtendPdf::sig2_%s(sig2_nonorm_%s,Nsig2_%s)",suffix,suffix,suffix));
  ws->factory(Form("Chebychev::bkg_nonorm_%s(invMass,{lambda0_%s[0.1,-1.5,1.5],lambda1_%s[0.1,-1.5,1.5]})",suffix,suffix,suffix));
  ws->factory(Form("RooExtendPdf::bkg_%s(bkg_nonorm_%s,Nbkg_%s[1e4,-1e5,1e5])",suffix,suffix,suffix));
  // ws->factory(Form("SUM::tot_%s( sig_%s,  bkg_%s)",suffix,suffix,suffix));
  // RooAbsPdf *thepdf = ws->pdf(Form("tot_%s",suffix));
  RooAbsPdf *thepdf = new RooAddPdf(Form("tot_%s",suffix), Form("tot_%s",suffix), 
        RooArgList(*ws->pdf(Form("sig_%s",suffix)), *ws->pdf(Form("sig2_%s",suffix)), *ws->pdf(Form("bkg_%s",suffix))));
  ws->import(*thepdf);

  // G e n e r a t e   e v e n t s 
  // -----------------------------

  // Generate a dataset of 1000 events in x from gauss
  RooDataSet* data = thepdf->generate(*invMass,2e4,Name(Form("data_%s",suffix))) ;  
  ws->import(*data);

  ws->writeToFile(output);
}
예제 #10
0
파일: dimuon.C 프로젝트: neumeist/twobody
ModelConfig TwoBody::prepareDimuonRatioModel( std::string inputdir ){
  //
  // prepare workspace and ModelConfig for the dimuon xsec ratio limit
  //
  std::string _legend = "[TwoBody::prepareDimuonRatioModel]: ";

  std::string _infile = inputdir+"ws_dimuon_ratio.root";

  AddWorkspace(_infile.c_str(),
	       "myWS",
	       "dimuon",
	       "peak,mass,ratio");

  ws->pdf("model_dimuon")->SetName("model");

  //ws->Print();
  // set all vars to const except <par>
  std::set<std::string> par;
  par.insert("mass");
  par.insert("ratio");
  par.insert("beta_nsig_dimuon");  
  // par.insert("beta_nbkg_dimuon"); 
  //par.insert("beta_mass_dimuon"); 
  FixVariables(par); 
  // POI
  RooArgSet sPoi( *(ws->var("ratio")) );

  // nuisance
  RooArgSet sNuis( *(ws->var("beta_nsig_dimuon"))
		   //*(ws->var("beta_nbkg_dimuon")),
            //*(ws->var("beta_mass_dimuon")) 
		   );

  // observables
  RooArgSet sObs( *(ws->var("mass")) );

  // prior
  
 // ModelConfig
  ModelConfig _mc("mc",ws);
  _mc.SetPdf(*(ws->pdf("model")));
  _mc.SetParametersOfInterest( sPoi );
  _mc.SetPriorPdf( *(ws->pdf("prior_dimuon")) );
  _mc.SetNuisanceParameters( sNuis );
  _mc.SetObservables( sObs );
  return _mc;
}
예제 #11
0
void setRange(RooWorkspace& myws, RooPlot* frame, string dsName, bool setLogScale, double dMuonYmin)
{ 
  // Find maximum and minimum points of Plot to rescale Y axis
  TH1* h = myws.data(dsName.c_str())->createHistogram("hist", *myws.var("ctau"), Binning(frame->GetNbinsX(),frame->GetXaxis()->GetXmin(),frame->GetXaxis()->GetXmax()));
  Double_t YMax = h->GetBinContent(h->GetMaximumBin());
  cout << YMax << endl;
  // Double_t YMin = min( h->GetBinContent(h->FindFirstBinAbove(0.0)), h->GetBinContent(h->FindLastBinAbove(0.0)) );
  Double_t YMin = 1e99;
  for (int i=1; i<=h->GetNbinsX(); i++) if (h->GetBinContent(i)>0) YMin = min(YMin, h->GetBinContent(i));
  
  bool isMC = false;
  if (dsName.find("MC")!=std::string::npos) isMC = true;
    
  Double_t Yup(0.),Ydown(0.);
  if(setLogScale)
  {
    if (isMC) Ydown = YMin*0.3;
    else Ydown = YMin/(TMath::Power((YMax/YMin), (0.1/(1.0-0.1-0.4))));
    Yup = YMax*TMath::Power((YMax/YMin), (0.4/(1.0-0.1-0.4)));
  }
  else
  {
    Ydown = max(YMin-(YMax-YMin)*(0.1/(1.0-0.1-0.4)),0.0);
    Yup = YMax+(YMax-YMin)*(0.4/(1.0-0.1-0.4));
  }
  cout << Ydown << " " << Yup << endl;
  frame->GetYaxis()->SetRangeUser(Ydown,Yup);
  delete h;
  
  // Create line to indicate upper fitting range for MC
  if (isMC)
  {
    if (dsName.find("JPSIP")!=std::string::npos)
    {
      TLine* line(0x0);
      if (dMuonYmin >= 1.6) line = new TLine(3.32,Ydown,3.32,Yup);
      else line = new TLine(3.26,Ydown,3.26,Yup);
      line->SetLineStyle(2);
      line->SetLineColor(1);
      line->SetLineWidth(3);
      
      frame->addObject(line);
    }
    else if (dsName.find("PSI2S")!=std::string::npos)
    {
      TLine* line(0x0);
      if (dMuonYmin >= 1.6) line = new TLine(3.95,Ydown,3.95,Yup);
      else line = new TLine(3.85,Ydown,3.85,Yup);
      line->SetLineStyle(2);
      line->SetLineColor(1);
      line->SetLineWidth(3);
      
      frame->addObject(line);
    }

  }
 
}
예제 #12
0
void plot_toys()
{
  TFile* f = new TFile("/project/atlas/users/tlenz/HWWStatisticsCode_v31/CPmix_kHWW2dot65m_0j_trainv31_v31_allsys_topLumi_toys.root");
  RooWorkspace* w = (RooWorkspace*)f->Get("combined");

  RooDataSet* data = (RooDataSet*)w->data("obsData");
  RooDataSet* toydata = (RooDataSet*)w->data("toyData");
  RooDataSet* toydata2 = (RooDataSet*)w->data("toyData4");
  RooDataSet* thisAsimovData = (RooDataSet*)w->data("asimivData_profiled_for_epsilon_0"); //asimivData_profiled_for_epsilon_0
  
  RooPlot* frame1 = w->var("obs_x_em_signalLike_0j_2012")->frame();
  //  RooPlot* frame2 = w->var("obs_x_em_mainControl_0j_2012")->frame();
  // RooPlot* frame3 = w->var("obs_x_em_zbox_0j_2012")->frame();
  
  data->plotOn(frame1, Name("data"), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_signalLike_0j_2012"));
  //data->plotOn(frame2, Name("data"), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_mainControl_0j_2012"));
  //data->plotOn(frame3, Name("data"), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_zbox_0j_2012"));
  
  toydata->plotOn(frame1, Name("toy1"), LineColor(kRed), MarkerStyle(21), MarkerColor(kRed), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_signalLike_0j_2012"));
  //toydata->plotOn(frame2, Name("toy1"), LineColor(kRed), MarkerStyle(21), MarkerColor(kRed), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_mainControl_0j_2012"));
  //toydata->plotOn(frame3, Name("toy1"), LineColor(kRed), MarkerStyle(21), MarkerColor(kRed), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_zbox_0j_2012"));
  
  toydata2->plotOn(frame1, Name("toy4"), LineColor(kGreen), MarkerStyle(21), MarkerColor(kGreen), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_signalLike_0j_2012"));
  //toydata2->plotOn(frame2, Name("toy4"), LineColor(kGreen), MarkerStyle(21), MarkerColor(kGreen), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_mainControl_0j_2012"));
  //toydata2->plotOn(frame3, Name("toy4"), LineColor(kGreen), MarkerStyle(21), MarkerColor(kGreen), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_zbox_0j_2012"));
  
  thisAsimovData->plotOn(frame1, Name("asimov"), LineColor(kBlue), MarkerStyle(22), MarkerColor(kBlue), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_signalLike_0j_2012"));
  //thisAsimovData->plotOn(frame2, Name("asimov"), LineColor(kBlue), MarkerStyle(22), MarkerColor(kBlue), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_mainControl_0j_2012"));
  //thisAsimovData->plotOn(frame3, Name("asimov"), LineColor(kBlue), MarkerStyle(22), MarkerColor(kBlue), DataError(RooAbsData::Poisson), Cut("merged_cat==merged_cat::em_zbox_0j_2012"));
  
  TCanvas* c = new TCanvas("c","c",1800,600);
  //c->Divide(3,1);
  
  /*c->cd(1);*/ /*gPad->SetLogy();*/ frame1->Draw();
  
  
  //c->cd(2); frame2->Draw();
  //draw legend
  TLegend *leg = new TLegend(0.48, 0.60, 0.84, 0.80, NULL,"brNDC");
  leg->SetBorderSize(0);
  leg->SetTextFont(62);
  leg->SetTextSize(0.04);
  leg->SetLineColor(1);
  leg->SetLineStyle(1);
  leg->SetLineWidth(1);
  leg->SetFillColor(0);
  leg->SetFillStyle(1001);
  leg->SetNColumns(1);
  leg->AddEntry(frame1->findObject("data"),"data","pl");
  leg->AddEntry(frame1->findObject("toy1"),"toy1","pl");
  leg->AddEntry(frame1->findObject("toy4"),"toy4","pl");
  leg->AddEntry(frame1->findObject("asimov"),"asimov","pl");
	leg->Draw();
	//c->cd(3); frame3->Draw();
	c->Print("toys_linear.pdf");
}
예제 #13
0
파일: Zbi_Zgamma.C 프로젝트: MycrofD/root
void Zbi_Zgamma() {

  // Make model for prototype on/off problem
  // Pois(x | s+b) * Pois(y | tau b )
  // for Z_Gamma, use uniform prior on b.
  RooWorkspace* w = new RooWorkspace("w",true);
  w->factory("Poisson::px(x[150,0,500],sum::splusb(s[0,0,100],b[100,0,300]))");
  w->factory("Poisson::py(y[100,0,500],prod::taub(tau[1.],b))");
  w->factory("Uniform::prior_b(b)");

  // construct the Bayesian-averaged model (eg. a projection pdf)
  // p'(x|s) = \int db p(x|s+b) * [ p(y|b) * prior(b) ]
  w->factory("PROJ::averagedModel(PROD::foo(px|b,py,prior_b),b)") ;

  // plot it, blue is averaged model, red is b known exactly
  RooPlot* frame = w->var("x")->frame() ;
  w->pdf("averagedModel")->plotOn(frame) ;
  w->pdf("px")->plotOn(frame,LineColor(kRed)) ;
  frame->Draw() ;

  // compare analytic calculation of Z_Bi
  // with the numerical RooFit implementation of Z_Gamma
  // for an example with x = 150, y = 100

  // numeric RooFit Z_Gamma
  w->var("y")->setVal(100);
  w->var("x")->setVal(150);
  RooAbsReal* cdf = w->pdf("averagedModel")->createCdf(*w->var("x"));
  cdf->getVal(); // get ugly print messages out of the way

  cout << "Hybrid p-value = " << cdf->getVal() << endl;
  cout << "Z_Gamma Significance  = " <<
    PValueToSignificance(1-cdf->getVal()) << endl;

  // analytic Z_Bi
  double Z_Bi = NumberCountingUtils::BinomialWithTauObsZ(150, 100, 1);
  std::cout << "Z_Bi significance estimation: " << Z_Bi << std::endl;

  // OUTPUT
  // Hybrid p-value = 0.999058
  // Z_Gamma Significance  = 3.10804
  // Z_Bi significance estimation: 3.10804
}
예제 #14
0
Double_t Tprime::GetRandom( std::string pdf, std::string var ) {
    //
    // generates a random number using a pdf in the workspace
    //

    // generate a dataset with one entry
    RooDataSet * _ds = pWs->pdf(pdf.c_str())->generate(*pWs->var(var.c_str()), 1);

    Double_t _result = ((RooRealVar *)(_ds->get(0)->first()))->getVal();
    delete _ds;

    return _result;
}
예제 #15
0
void plotFromWorkspace() {
    TFile* file = new TFile("card_m125_1JetIncl_XX_workspace.root");

    RooWorkspace* w = (RooWorkspace*)file->Get("w");

    RooRealVar* m = (RooRealVar*)w->var("CMS_hmumu_mass");
    RooRealVar* e = (RooRealVar*)w->var("CMS_hmumu_merr");
    RooDataSet* d = (RooDataSet*)w->data("data_pseudo");
    RooAbsPdf * b = w->pdf("bkg_mass_merr_1JetIncl_XX_pdf");
    RooAbsPdf * s = w->pdf("sig_mass_merr_ggH_1JetIncl_XX_pdf");

    RooPlot* frame = m->frame();
    d->plotOn(frame);
    b->plotOn(frame);
    //s->plotOn(frame, RooFit::ProjWData(*e, *d), RooFit::LineColor(kOrange+1));
    //s->plotOn(frame, RooFit::LineColor(kOrange+1));
    frame->Draw();
}
bool extractParameter(string fileName, const char* parName, pair<double,double>& value) 
{
  TFile *f = new TFile( fileName.c_str() );
  if (!f) {
    cout << "[Error] " << fileName << " not found" << endl; return false;
  }
  RooWorkspace *ws = (RooWorkspace*) f->Get("workspace");
  if (!ws) {
    cout << "[ERROR] Workspace not found in " << fileName << endl; return false;
  }    
  RooRealVar *var = ws->var(parName);
  if (!var) {
    value = make_pair( -999.9 , -999.9 ); return true;
  }
  
  value = make_pair( var->getValV() , var->getError() );
        
  return true;
}
예제 #17
0
///
/// Make an Asimov toy: set all observables set to truth values.
/// The Asimov point needs to be loaded in the combiner before.
/// \param c - combiner which should be set to an asimov toy
///
void GammaComboEngine::setAsimovObservables(Combiner* c)
{
    if ( !c->isCombined() ) {
        cout << "GammaComboEngine::setAsimovObservables() : ERROR : Can't set an Asimov toy before "
             "the combiner is combined. Call combine() first." << endl;
        exit(1);
    }

    // set observables to asimov values in workspace
    RooWorkspace* w = c->getWorkspace();
    TIterator* itObs = c->getObservables()->createIterator();
    while(RooRealVar* pObs = (RooRealVar*) itObs->Next()) {
        // get theory name from the observable name
        TString pThName = pObs->GetName();
        pThName.ReplaceAll("obs","th");
        // get the theory relation
        RooAbsReal* th = w->function(pThName);
        if ( th==0 ) {
            cout << "GammaComboEngine::setAsimovObservables() : ERROR : theory relation not found in workspace: " << pThName << endl;
            exit(1);
        }
        // set the observable to what the theory relation predicts
        pObs->setVal(th->getVal());
    }
    delete itObs;

    // write back the asimov values to the PDF object so that when
    // the PDF is printed, the asimov values show up
    for ( int i=0; i<c->getPdfs().size(); i++ ) {
        PDF_Abs* pdf = c->getPdfs()[i];
        pdf->setObservableSourceString("Asimov");
        TIterator* itObs = pdf->getObservables()->createIterator();
        while(RooRealVar* pObs = (RooRealVar*) itObs->Next()) {
            RooAbsReal* obs =  w->var(pObs->GetName());
            if ( obs==0 ) {
                cout << "GammaComboEngine::setAsimovObservables() : ERROR : observable not found in workspace: " << pObs->GetName() << endl;
                exit(1);
            }
            pdf->setObservable(pObs->GetName(), obs->getVal());
        }
        delete itObs;
    }
}
예제 #18
0
void setCtauFrom2DRange(RooWorkspace& myws, RooPlot* frame, string dsName, bool setLogScale, vector<double> rangeErr, double excEvts)
{ 
  // Find maximum and minimum points of Plot to rescale Y axis
  TH1* h = myws.data(dsName.c_str())->createHistogram("hist", *myws.var("ctau"), Binning(frame->GetNbinsX(),frame->GetXaxis()->GetXmin(),frame->GetXaxis()->GetXmax()));
  Double_t YMax = h->GetBinContent(h->GetMaximumBin());
  Double_t YMin = 1e99;
  for (int i=1; i<=h->GetNbinsX(); i++) if (h->GetBinContent(i)>0) YMin = min(YMin, h->GetBinContent(i));

  Double_t Yup(0.),Ydown(0.);

  if(setLogScale)
  {
    Yup = YMax*TMath::Power((YMax/0.1), 0.5);
    Ydown = 0.1;
  }
  else
  {
    Yup = YMax+(YMax-0.0)*0.5;
    Ydown = 0.0;
  }
  frame->GetYaxis()->SetRangeUser(Ydown,Yup);
  delete h;

  if (excEvts>0.0) {
    TLine   *minline = new TLine(rangeErr[0], 0.0, rangeErr[0], (setLogScale?(Ydown*TMath::Power((Yup/Ydown),0.4)):(Ydown + (Yup-Ydown)*0.4)));
    minline->SetLineStyle(2);
    minline->SetLineColor(1);
    minline->SetLineWidth(3);
    frame->addObject(minline);
    TLine   *maxline = new TLine(rangeErr[1], 0.0, rangeErr[1], (setLogScale?(Ydown*TMath::Power((Yup/Ydown),0.4)):(Ydown + (Yup-Ydown)*0.4)));
    maxline->SetLineStyle(2);
    maxline->SetLineColor(1);
    maxline->SetLineWidth(3);
    frame->addObject(maxline);
  }
};
예제 #19
0
void setMassFrom2DRange(RooWorkspace& myws, RooPlot* frame, string dsName, bool setLogScale)
{ 
  // Find maximum and minimum points of Plot to rescale Y axis
  TH1* h = myws.data(dsName.c_str())->createHistogram("hist", *myws.var("invMass"), Binning(frame->GetNbinsX(),frame->GetXaxis()->GetXmin(),frame->GetXaxis()->GetXmax()));
  Double_t YMax = h->GetBinContent(h->GetMaximumBin());
  // Double_t YMin = min( h->GetBinContent(h->FindFirstBinAbove(0.0)), h->GetBinContent(h->FindLastBinAbove(0.0)) );
  Double_t YMin = 1e99;
  for (int i=1; i<=h->GetNbinsX(); i++) if (h->GetBinContent(i)>0) YMin = min(YMin, h->GetBinContent(i));
  
  Double_t Yup(0.),Ydown(0.);
  if(setLogScale)
  {
    Ydown = YMin/(TMath::Power((YMax/YMin), (0.1/(1.0-0.1-0.4))));
    Yup = YMax*TMath::Power((YMax/YMin), (0.4/(1.0-0.1-0.4)));
  }
  else
  {
    Ydown = max(YMin-(YMax-YMin)*(0.1/(1.0-0.1-0.4)),0.0);
    Yup = YMax+(YMax-YMin)*(0.4/(1.0-0.1-0.4));
  }
  frame->GetYaxis()->SetRangeUser(Ydown,Yup);
  delete h;
 
};
예제 #20
0
void buildModelUpsi2015(RooWorkspace& w, int signalModel, int bkgdModel){
   // C r e a t e   m o d e l  
   int nt=100000;
   // cout << "you're building a model for the quarkonium resonance of mass = "<< M1S <<" GeV/c^{2},"endl;
   RooRealVar *nsig1f   = new RooRealVar("N_{ #varUpsilon(1S)}","nsig1S",0,nt*10);
   RooRealVar* mass       = (RooRealVar*) w.var("invariantMass");

   RooRealVar *nsig2f = NULL;
   RooRealVar *nsig3f = NULL;


   RooRealVar  *mean = new RooRealVar("m_{ #varUpsilon(1S)}","#Upsilon mean",M1S,M1S-0.2,M1S+0.2);
   RooConstVar *rat2 = new RooConstVar("rat2", "rat2", M2S/M1S);
   RooConstVar *rat3 = new RooConstVar("rat3", "rat3", M3S/M1S);
   // scale mean and resolution by mass ratio
   RooFormulaVar *mean1S = new RooFormulaVar("mean1S","@0",RooArgList(*mean));
   RooFormulaVar *mean2S = new RooFormulaVar("mean2S","@0*@1", RooArgList(*mean,*rat2));
   RooFormulaVar *mean3S = new RooFormulaVar("mean3S","@0*@1", RooArgList(*mean,*rat3));

   // //detector resolution ?? where is this coming from?
   RooRealVar    *sigma1  = new RooRealVar("#sigma_{CB1}","#sigma_{CB1}",0.01,0.1); // 
   RooFormulaVar *sigma1S = new RooFormulaVar("sigma1S","@0"   ,RooArgList(*sigma1));
   RooFormulaVar *sigma2S = new RooFormulaVar("sigma2S","@0*@1",RooArgList(*sigma1,*rat2));
   RooFormulaVar *sigma3S = new RooFormulaVar("sigma3S","@0*@1",RooArgList(*sigma1,*rat3));
   RooRealVar *alpha  = new RooRealVar("#alpha_{CB}","tail shift",0.1,10);    // MC 5tev 1S pol2 
   RooRealVar *npow   = new RooRealVar("n_{CB}","power order",0.1,10);    // MC 5tev 1S pol2 
   RooRealVar *sigmaFraction = new RooRealVar("sigmaFraction","Sigma Fraction",0.,1.);
   // scale the sigmaGaus with sigma1S*scale=sigmaGaus now.
   RooRealVar    *scaleWidth = new RooRealVar("#sigma_{CB2}/#sigma_{CB1}","scaleWidth",1.,2.5);
   RooFormulaVar *sigmaGaus = new RooFormulaVar("sigmaGaus","@0*@1", RooArgList(*sigma1,*scaleWidth));
   RooFormulaVar *sigmaGaus2 = new RooFormulaVar("sigmaGaus","@0*@1*@2", RooArgList(*sigma1,*scaleWidth,*rat2));
   RooFormulaVar *sigmaGaus3 = new RooFormulaVar("sigmaGaus","@0*@1*@2", RooArgList(*sigma1,*scaleWidth,*rat3));
   RooGaussian* gauss1 = new RooGaussian("gaus1s","gaus1s",
         *nsig1f,
         *mass,    //mean
         *sigmaGaus); //sigma
   RooGaussian* gauss1b = new RooGaussian("gaus1sb","gaus1sb",
         *nsig1f,
         *mean,    //mean
         *sigma1); //sigma

   // declarations
   RooAbsPdf  *cb1S_1   = NULL;
   RooAbsPdf  *cb1S_2   = NULL;
   RooAbsPdf  *cb2S_1   = NULL;
   RooAbsPdf  *cb2S_2   = NULL;
   RooAbsPdf  *cb3S_1   = NULL;
   RooAbsPdf  *cb3S_2   = NULL;
   RooAbsPdf  *sig1S   = NULL;
   RooAbsPdf  *sig2S   = NULL;
   RooAbsPdf  *sig3S   = NULL;

   switch(signalModel){    
      case 1: //crystal boule
         sig1S   = new RooCBShape("cb1S_1", "FSR cb 1s",
               *mass,*mean1S,*sigma1,*alpha,*npow);

         sig2S   = new RooCBShape ("cb2S_1", "FSR cb 1s",
               *mass,*mean2S,*sigma2S,*alpha,*npow);
         sig3S   = new RooCBShape ("cb3S_1", "FSR cb 1s",
               *mass,*mean3S,*sigma3S,*alpha,*npow);
         cout << "you're fitting each signal peak with a Crystal Ball function"<< endl;
         break;
      case 2: //Gaussein
         sig1S  = new RooGaussian ("g1", "gaus 1s",
               *mass,*mean1S,*sigma1);
         cout << "you're fitting 1 signal peak with a Gaussian function"<< endl;
         break;
      case 3: //Gaussein + crystal boule
         cb1S_1    = new RooCBShape ("cb1S_1", "FSR cb 1s",
               *mass,*mean1S,*sigma1,*alpha,*npow);
         sig1S  = new RooAddPdf ("cbg", "cbgaus 1s",
               RooArgList(*gauss1,*cb1S_1),*sigmaFraction);
         cout << "you're fitting 1 signal peak with a sum of a Gaussian and a Crystal Ball function"<< endl;
         break;
      case 4: //crystal boules
         cb1S_1    = new RooCBShape ("cb1S_1", "FSR cb 1s",
               *mass,*mean1S,*sigma1,*alpha,*npow);

         cb1S_2    = new RooCBShape ("cb1S_2", "FSR cb 1s",
               *mass,*mean1S,*sigmaGaus,*alpha,*npow);
         sig1S  = new RooAddPdf  ("cbcb","1S mass pdf",
               RooArgList(*cb1S_1,*cb1S_2),*sigmaFraction);
         // /// Upsilon 2S
         cb2S_1    = new RooCBShape ("cb2S_1", "FSR cb 2s", 
               *mass,*mean2S,*sigma2S,*alpha,*npow); 
         cb2S_2    = new RooCBShape ("cb2S_2", "FSR cb 2s", 
               *mass,*mean2S,*sigmaGaus2,*alpha,*npow); 
         sig2S  = new RooAddPdf  ("sig2S","2S mass pdf",
               RooArgList(*cb2S_1,*cb2S_2),*sigmaFraction);

         // /// Upsilon 3S
         cb3S_1    = new RooCBShape ("cb3S_1", "FSR cb 3s", 
               *mass,*mean3S,*sigma3S,*alpha,*npow); 
         cb3S_2    = new RooCBShape ("cb3S_2", "FSR cb 3s", 
               *mass,*mean3S,*sigmaGaus3,*alpha,*npow); 
         sig3S  = new RooAddPdf  ("sig3S","3S mass pdf",
               RooArgList(*cb3S_1,*cb3S_2),*sigmaFraction); // = cb3S1*sigmaFrac + cb3S2*(1-sigmaFrac)
         cout << "you're fitting each signal peak with a Double Crystal Ball function"<< endl;
         break;

      case 5: //deux Gausseins
         sig1S  = new RooAddPdf ("cb1S_1", "cbgaus 1s",
               RooArgList(*gauss1,*gauss1b),*sigmaFraction);
         cout << "you're fitting each signal peak with a Double Gaussian function"<< endl;
         break;
   }
   // bkg Chebychev
   RooRealVar *nbkgd   = new RooRealVar("n_{Bkgd}","nbkgd",0,nt);
   RooRealVar *bkg_a1  = new RooRealVar("a1_bkg", "bkg_{a1}", 0, -5, 5);
   RooRealVar *bkg_a2  = new RooRealVar("a2_Bkg", "bkg_{a2}", 0, -2, 2);
   RooRealVar *bkg_a3  = new RooRealVar("a3_Bkg", "bkg_{a3}", 0, -0.9, 2);

   //  likesign
   RooRealVar *nLikesignbkgd = new RooRealVar("NLikesignBkg","nlikesignbkgd",nt*0.75,0,10*nt);
   // *************************************************** bkgModel

   RooRealVar turnOn("turnOn","turnOn", 0,10);
   RooRealVar width("width","width", 0.1,10);// MB 2.63
   RooRealVar decay("decay","decay",0,10);// MB: 3.39


   width.setConstant(false);
   decay.setConstant(false);
   turnOn.setConstant(false);


   alpha->setConstant(false);
   npow->setConstant(false);
   sigma1->setConstant(false);
   scaleWidth->setConstant(false);
   sigmaFraction->setConstant(false);

   //thisPdf: form of the bkg pdf
   //pdf_combinedbkgd; // total bkg pdf. usually form*normalization  (so that you can do extended ML fits)

   RooAbsPdf *pdf_combinedbkgd = NULL;;
   RooRealVar *fPol   = new RooRealVar("F_{pol}","fraction of polynomial distribution",0.0,1);
   RooAbsPdf *ChebPdf = NULL;
   RooAbsPdf *ErrPdf = NULL;
   RooAbsPdf* ExpPdf = NULL;

   switch (bkgdModel) 
   {
      case 3 : //use error function to fit the OS directly
         bkg_a3->setConstant(true);
         pdf_combinedbkgd            = new  RooGenericPdf("bkgPdf","bkgPdf",
               "exp(-@0/decay)*(TMath::Erf((@0-turnOn)/width)+1)",
               RooArgList(*mass,turnOn,width,decay));
         break;

      case 4 : //use pol 2+ErfExp to fit the OS directly

         ChebPdf  = new RooChebychev("ChebPdf","ChebPdf",
               *mass, RooArgList(*bkg_a1,*bkg_a2));
         ErrPdf     = new  RooGenericPdf("ErrPdf","ErrPdf",
               "exp(-@0/decay)*(TMath::Erf((@0-turnOn)/width)+1)",
               RooArgList(*mass,turnOn,width,decay));
         pdf_combinedbkgd   = new RooAddPdf ("bkgPdf","total combined background pdf",
               RooArgList(*ChebPdf,*ErrPdf),
               RooArgList(*fPol));

         break;
      case 5 : //use ( error function + polynomial 1) to fit the OS directly

         bkg_a3->setConstant(true);
         bkg_a2->setConstant(true);
         ChebPdf  = new RooChebychev("ChebPdf","ChebPdf",
               *mass, RooArgList(*bkg_a1,*bkg_a2,*bkg_a3));
         ErrPdf     = new  RooGenericPdf("ErrPdf","ErrPdf",
               "exp(-@0/decay)*(TMath::Erf((@0-turnOn)/width)+1)",
               RooArgList(*mass,turnOn,width,decay));
         pdf_combinedbkgd   = new RooAddPdf ("bkgPdf","total combined background pdf",
               RooArgList(*ChebPdf,*ErrPdf),
               RooArgList(*fPol));
         break;
      case 6: // NOT WORKING
         ChebPdf  = new RooChebychev("ChebPdf","ChebPdf",
               *mass, RooArgList(*bkg_a1,*bkg_a2));
         ExpPdf     = new  RooGenericPdf("ExpPdf","ExpPdf",
               "exp(-@0/decay)",
               RooArgList(*mass,decay));
         pdf_combinedbkgd  =  new RooAddPdf ("bkgPdf","total combined background pdf",
               RooArgList(*ChebPdf,*ExpPdf),
               RooArgList(*fPol));
         break;
      default :
         cout<<"Donno what you are talking about! Pick another fit option!"<<endl;
         break;
   }

   //###### the nominal fit with default pdf 

   // can remove the double crystal ball in pbpb: just commenting out and copying an appropriate version
   RooAbsPdf  *pdf             = new RooAddPdf ("pdf","total p.d.f.",
         RooArgList(*sig1S,*sig2S,*sig3S,*pdf_combinedbkgd),
         RooArgList(*nsig1f,*nsig2f,*nsig3f,*nbkgd));
   //  nsig3f->setVal(0); nsig3f->setConstant();

   w.import(*pdf);
   w.Print();
}
예제 #21
0
void splitws(string inFolderName, double mass, string channel) {
  cout << "Splitting workspace in " << channel << endl;

  int flatInterpCode = 4;
  int shapeInterpCode = 4;

  bool do2011 = 0;

  if (inFolderName.find("2011") != string::npos) do2011 = 1;

  bool conditionalAsimov = 0;
  bool doData = 1;
  //if (inFolderName.find("_blind_") != string::npos) {
    //conditionalAsimov = 0;
  //}
  //else {
    //conditionalAsimov = 1;
  //}

  set<string> channelNames;

  if (channel == "01j") {
    channelNames.insert("em_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));

    channelNames.insert("em_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "0j") {
    channelNames.insert("em_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));
  }
  else if (channel == "1j") {
    channelNames.insert("em_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "OF01j") {
    channelNames.insert("em_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_sscr_0j"+string(!do2011?"_2012":""));

    channelNames.insert("em_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_sscr_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "OF0j") {
    channelNames.insert("em_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_sscr_0j"+string(!do2011?"_2012":""));
  }
  else if (channel == "OF1j") {
    channelNames.insert("em_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_sscr_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "SF01j") {
    channelNames.insert("SF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));

    channelNames.insert("SF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "SF0j") {
    channelNames.insert("SF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));
  }
  else if (channel == "SF1j") {
    channelNames.insert("SF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));
  }
  else if (channel == "2j") {
    channelNames.insert("em_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("ee_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_topbox_2j"+string(!do2011?"_2012":""));
  }
  else if (channel == "OF2j") {
    channelNames.insert("em_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_topbox_2j"+string(!do2011?"_2012":""));
  }
  else if (channel == "SF2j") {
    channelNames.insert("ee_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_topbox_2j"+string(!do2011?"_2012":""));
  }
  else if (channel == "OF") {
    channelNames.insert("em_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_0j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));

    channelNames.insert("em_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("em_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike1_1j"+string(!do2011?"_2012":""));
    channelNames.insert("me_signalLike2_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));

    channelNames.insert("em_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_topbox_2j"+string(!do2011?"_2012":""));
  }
  else if (channel == "SF") {
    channelNames.insert("SF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_0j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_0j"+string(!do2011?"_2012":""));

    channelNames.insert("SF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_AfrecSR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_ASR_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CfrecZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_CZpeak_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_mainControl_1j"+string(!do2011?"_2012":""));
    channelNames.insert("OF_topbox_1j"+string(!do2011?"_2012":""));

    channelNames.insert("ee_signalLike1_2j"+string(!do2011?"_2012":""));
    channelNames.insert("SF_topbox_2j"+string(!do2011?"_2012":""));
  }
  else {
    cout << "Channel " << channel << " not defined. Please check!" << endl;
    exit(1);
  }

  // bool fix = 1;
  stringstream inFileName;

  inFileName << "workspaces/" << inFolderName << "/" << mass << ".root";
  TFile f(inFileName.str().c_str());
  
  RooWorkspace* w = (RooWorkspace*)f.Get("combWS");
  if (!w) w = (RooWorkspace*)f.Get("combined");
  
  RooDataSet* data = (RooDataSet*)w->data("combData");
  if (!data) data = (RooDataSet*)w->data("obsData");
  
  ModelConfig* mc = (ModelConfig*)w->obj("ModelConfig");
  
  RooRealVar* weightVar = w->var("weightVar");
  
  RooRealVar* mu = (RooRealVar*)mc->GetParametersOfInterest()->first();
  if (!mu) mu = w->var("SigXsecOverSM");

  const RooArgSet* mc_obs = mc->GetObservables();
  const RooArgSet* mc_nuis = mc->GetNuisanceParameters();
  const RooArgSet* mc_globs = mc->GetGlobalObservables();
  const RooArgSet* mc_poi = mc->GetParametersOfInterest();

  RooArgSet nuis = *mc_nuis;
  RooArgSet antiNuis = *mc_nuis;

  RooArgSet globs = *mc_globs;
  RooArgSet antiGlobs = *mc_globs;

  RooArgSet allParams;

  RooSimultaneous* simPdf = (RooSimultaneous*)mc->GetPdf();
  RooCategory* cat = (RooCategory*)&simPdf->indexCat();

  RooArgSet nuis_tmp = nuis;
  RooArgSet fullConstraints = *simPdf->getAllConstraints(*mc_obs,nuis_tmp,false);

  vector<string> foundChannels;
  vector<string> skippedChannels;  

  cout << "Getting constraints" << endl;
  map<string, RooDataSet*> data_map;
  map<string, RooAbsPdf*> pdf_map;
  RooCategory* decCat = new RooCategory("dec_channel","dec_channel");
  // int i = 0;
  TIterator* catItr = cat->typeIterator();
  RooCatType* type;
  RooArgSet allConstraints;
  while ((type = (RooCatType*)catItr->Next())) {
    RooAbsPdf* pdf =  simPdf->getPdf(type->GetName());

    string typeName(type->GetName());
    if (channelNames.size() && channelNames.find(typeName) == channelNames.end())  {
      skippedChannels.push_back(typeName);
      continue;
    }
    cout << "On channel " << type->GetName() << endl;
    foundChannels.push_back(typeName);

    decCat->defineType(type->GetName());
    // pdf->getParameters(*data)->Print("v");

    RooArgSet nuis_tmp1 = nuis;
    RooArgSet nuis_tmp2 = nuis;
    RooArgSet* constraints = pdf->getAllConstraints(*mc_obs, nuis_tmp1, true);
    constraints->Print();
    allConstraints.add(*constraints);
  }

  catItr->Reset();

  while ((type = (RooCatType*)catItr->Next())) {
    RooAbsPdf* pdf =  simPdf->getPdf(type->GetName());

    string typeName(type->GetName());
    cout << "Considering type " << typeName << endl;
    if (channelNames.size() && channelNames.find(typeName) == channelNames.end()) continue;
    cout << "On channel " << type->GetName() << endl;

    RooArgSet nuis_tmp1 = nuis;
    RooArgSet nuis_tmp2 = nuis;
    RooArgSet* constraints = pdf->getAllConstraints(*mc_obs, nuis_tmp1, true);

    cout << "Adding pdf to map: " << typeName << " = " << pdf->GetName() << endl;
    pdf_map[typeName] = pdf;

    RooProdPdf prod("prod","prod",*constraints);

    RooArgSet* params = pdf->getParameters(*data);
    antiNuis.remove(*params);
    antiGlobs.remove(*params);

    allParams.add(*params);
    // cout << type->GetName() << endl;
  }
  // return;

  RooArgSet decNuis;
  TIterator* nuiItr = mc_nuis->createIterator();
  TIterator* parItr = allParams.createIterator();
  RooAbsArg* nui, *par;
  while ((par = (RooAbsArg*)parItr->Next())) {
    nuiItr->Reset();
    while ((nui = (RooAbsArg*)nuiItr->Next())) {
      if (par == nui) decNuis.add(*nui);
    }
  }

  RooArgSet decGlobs;
  TIterator* globItr = mc_globs->createIterator();
  parItr->Reset();
  RooAbsArg* glob;
  while ((par = (RooAbsArg*)parItr->Next())) {
    globItr->Reset();
    while ((glob = (RooAbsArg*)globItr->Next())) {
      if (par == glob) decGlobs.add(*glob);
    }
  }

  // antiNuis.Print();

  // nuis.Print();
  // globs.Print();

  // i = 0;
  TList* datalist = data->split(*cat, true);
  TIterator* dataItr = datalist->MakeIterator();
  RooAbsData* ds;
  while ((ds = (RooAbsData*)dataItr->Next())) {
    string typeName(ds->GetName());
    if (channelNames.size() && channelNames.find(typeName) == channelNames.end()) continue;

    cout << "Adding dataset to map: " << ds->GetName() << endl;
    data_map[string(ds->GetName())] = (RooDataSet*)ds;

    cout << ds->GetName() << endl;
  }

  RooSimultaneous* decPdf = new RooSimultaneous("decPdf","decPdf",pdf_map,*decCat); 
  RooArgSet decObs = *decPdf->getObservables(data);
  // decObs.add(*(RooAbsArg*)weightVar);
  decObs.add(*(RooAbsArg*)decCat);
  decObs.Print();

  nuis.remove(antiNuis);
  globs.remove(antiGlobs);
  // nuis.Print("v");

  RooDataSet* decData = new RooDataSet("obsData","obsData",RooArgSet(decObs,*(RooAbsArg*)weightVar),Index(*decCat),Import(data_map),WeightVar(*weightVar));

  decData->Print();

  RooArgSet poi(*(RooAbsArg*)mu);
  RooWorkspace decWS("combined");
  ModelConfig decMC("ModelConfig",&decWS);
  decMC.SetPdf(*decPdf);
  decMC.SetObservables(decObs);
  decMC.SetNuisanceParameters(decNuis);
  decMC.SetGlobalObservables(decGlobs);
  decMC.SetParametersOfInterest(poi);

  decMC.Print();
  decWS.import(*decPdf);
  decWS.import(decMC);
  decWS.import(*decData);
  // decWS.Print();

  ModelConfig* mcInWs = (ModelConfig*)decWS.obj("ModelConfig");
  decPdf = (RooSimultaneous*)mcInWs->GetPdf();

  // setup(mcInWs);
  // return;

  mcInWs->GetNuisanceParameters()->Print("v");
  mcInWs->GetGlobalObservables()->Print("v");
  // decData->tree()->Scan("*");

  // Make asimov data
  RooArgSet funcs = decWS.allFunctions();
  TIterator* it = funcs.createIterator();
  TObject* tempObj = 0;
  while((tempObj=it->Next()))
  {
    FlexibleInterpVar* flex = dynamic_cast<FlexibleInterpVar*>(tempObj);
    if(flex) {
      flex->setAllInterpCodes(flatInterpCode);
    }
    PiecewiseInterpolation* piece = dynamic_cast<PiecewiseInterpolation*>(tempObj);
    if(piece) {
      piece->setAllInterpCodes(shapeInterpCode);
    }
  }

  RooDataSet* dataInWs = (RooDataSet*)decWS.data("obsData");
  makeAsimovData(mcInWs, conditionalAsimov && doData, &decWS, mcInWs->GetPdf(), dataInWs, 0);
  makeAsimovData(mcInWs, conditionalAsimov && doData, &decWS, mcInWs->GetPdf(), dataInWs, 1);
  makeAsimovData(mcInWs, conditionalAsimov && doData, &decWS, mcInWs->GetPdf(), dataInWs, 2);

  system(("mkdir -vp workspaces/"+inFolderName+"_"+channel).c_str());
  stringstream outFileName;
  outFileName << "workspaces/" << inFolderName << "_" << channel << "/" << mass << ".root";
  cout << "Exporting" << endl;

  decWS.writeToFile(outFileName.str().c_str());

  cout << "\nIncluded the following channels: " << endl;
  for (int i=0;i<(int)foundChannels.size();i++) {
    cout << "-> " << foundChannels[i] << endl;
  }

  cout << "\nSkipping the following channels: " << endl;
  
  for (int i=0;i<(int)skippedChannels.size();i++) {
    cout << "-> " << skippedChannels[i] << endl;
  }

  cout << "Done" << endl;

  // decPdf->fitTo(*decData, Hesse(0), Minos(0), PrintLevel(0));
}
예제 #22
0
/*
 * Prepares the workspace to be used by the hypothesis test calculator
 */
void workspace_preparer(char *signal_file_name, char *signal_hist_name_in_file, char *background_file_name, char *background_hist_name_in_file, char *data_file_name, char *data_hist_name_in_file, char *config_file) {

    // Include the config_reader class.
    TString path = gSystem->GetIncludePath();
    path.Append(" -I/home/max/cern/cls/mario");
    gSystem->SetIncludePath(path);
    gROOT->LoadMacro("config_reader.cxx");

    // RooWorkspace used to store values.
    RooWorkspace * pWs = new RooWorkspace("ws");

    // Create a config_reader (see source for details) to read the config
    // file.
    config_reader reader(config_file, pWs);

    // Read MR and RR bounds from the config file.
    double MR_lower = reader.find_double("MR_lower");
    double MR_upper = reader.find_double("MR_upper");
    double RR_lower = reader.find_double("RR_lower");
    double RR_upper = reader.find_double("RR_upper");
    double MR_initial = (MR_lower + MR_upper)/2;
    double RR_initial = (RR_lower + RR_upper)/2;

    // Define the Razor Variables
    RooRealVar MR = RooRealVar("MR", "MR", MR_initial, MR_lower, MR_upper);
    RooRealVar RR = RooRealVar("RSQ", "RSQ", RR_initial, RR_lower, RR_upper);

    // Argument lists
    RooArgList pdf_arg_list(MR, RR, "input_args_list");
    RooArgSet pdf_arg_set(MR, RR, "input_pdf_args_set");



    /***********************************************************************/
    /* PART 1: IMPORTING SIGNAL AND BACKGROUND HISTOGRAMS                  */
    /***********************************************************************/

    /*
     * Get the signal's unextended pdf by converting the TH2D in the file
     * into a RooHistPdf
     */
    TFile *signal_file = new TFile(signal_file_name);
    TH2D *signal_hist = (TH2D *)signal_file->Get(signal_hist_name_in_file);
    RooDataHist *signal_RooDataHist = new RooDataHist("signal_roodatahist",
            "signal_roodatahist",
            pdf_arg_list,
            signal_hist);

    RooHistPdf *unextended_sig_pdf = new RooHistPdf("unextended_sig_pdf",
            "unextended_sig_pdf",
            pdf_arg_set,
            *signal_RooDataHist);

    /*
     * Repeat this process for the background.
     */
    TFile *background_file = new TFile(background_file_name);
    TH2D *background_hist =
        (TH2D *)background_file->Get(background_hist_name_in_file);
    RooDataHist *background_RooDataHist =
        new RooDataHist("background_roodatahist", "background_roodatahist",
                        pdf_arg_list, background_hist);
    RooHistPdf *unextended_bkg_pdf = new RooHistPdf("unextended_bkg_pdf",
            "unextended_bkg_pdf",
            pdf_arg_set,
            *background_RooDataHist);

    /*
     * Now, we want to create the bprime variable, which represents the
     * integral over the background-only sample.  We will perform the
     * integral automatically (that's why this is the only nuisance
     * parameter declared in this file - its value can be determined from
     * the input histograms).
     */
    ostringstream bprime_string;
    ostringstream bprime_pdf_string;
    bprime_string << "bprime[" << background_hist->Integral() << ", 0, 999999999]";
    bprime_pdf_string << "Poisson::bprime_pdf(bprime, " << background_hist->Integral() << ")";
    pWs->factory(bprime_string.str().c_str());
    pWs->factory(bprime_pdf_string.str().c_str());


    /*
     * This simple command will create all values from the config file
     * with 'make:' at the beginning and a delimiter at the end (see config
     * _reader if you don't know what a delimiter is).  In other
     * words, the luminosity, efficiency, transfer factors, and their pdfs
     * are created from this command.  The declarations are contained in the
     * config file to be changed easily without having to modify this code.
     */
    reader.factory_all();


    /*
     * Now, we want to create the extended pdfs from the unextended pdfs, as
     * well as from the S and B values we manufactured in the config file.
     * S and B are the values by which the signal and background pdfs,
     * respectively, are extended.  Recall that they were put in the
     * workspace in the reader.facotry_all() command.
     */
    RooAbsReal *S = pWs->function("S");
    RooAbsReal *B = pWs->function("B");

    RooExtendPdf *signalpart = new RooExtendPdf("signalpart", "signalpart",
            *unextended_sig_pdf, *S);
    RooExtendPdf *backgroundpart =
        new RooExtendPdf("backgroundpart", "backgroundpart",
                         *unextended_bkg_pdf, *B);

    RooArgList *pdf_list = new RooArgList(*signalpart, *backgroundpart,
                                          "list");
    // Add the signal and background pdfs to make a TotalPdf
    RooAddPdf *TotalPdf = new RooAddPdf("TotalPdf", "TotalPdf", *pdf_list);

    RooArgList *pdf_prod_list = new RooArgList(*TotalPdf,
            *pWs->pdf("lumi_pdf"),
            *pWs->pdf("eff_pdf"),
            *pWs->pdf("rho_pdf"),
            *pWs->pdf("bprime_pdf"));
    // This creates the final model pdf.
    RooProdPdf *model = new RooProdPdf("model", "model", *pdf_prod_list);

    /*
     * Up until now, we have been using the workspace pWs to contain all of
     * our values.  Now, all of our values that we require are in use in the
     * RooProdPdf called "model".  So, we need to import "model" into a
     * RooWorkspace.  To avoid recopying values into the rooworkspace, when
     * the values may already be present (which can cause problems), we will
     * simply create a new RooWorkspace to avoid confusion and problems.  The
     * new RooWorkspace is created here.
     */
    RooWorkspace *newworkspace = new RooWorkspace("newws");
    newworkspace->import(*model);

    // Immediately delete pWs, so we don't accidentally use it again.
    delete pWs;

    // Show off the newworkspace
    newworkspace->Print();

    // observables
    RooArgSet obs(*newworkspace->var("MR"), *newworkspace->var("RSQ"), "obs");

    // global observables
    RooArgSet globalObs(*newworkspace->var("nom_lumi"), *newworkspace->var("nom_eff"), *newworkspace->var("nom_rho"));

    //fix global observables to their nominal values
    newworkspace->var("nom_lumi")->setConstant();
    newworkspace->var("nom_eff")->setConstant();
    newworkspace->var("nom_rho")->setConstant();

    //Set Parameters of interest
    RooArgSet poi(*newworkspace->var("sigma"), "poi");


    //Set Nuisnaces

    RooArgSet nuis(*newworkspace->var("prime_lumi"), *newworkspace->var("prime_eff"), *newworkspace->var("prime_rho"), *newworkspace->var("bprime"));

    // priors (for Bayesian calculation)
    newworkspace->factory("Uniform::prior_signal(sigma)"); // for parameter of interest
    newworkspace->factory("Uniform::prior_bg_b(bprime)"); // for data driven nuisance parameter
    newworkspace->factory("PROD::prior(prior_signal,prior_bg_b)"); // total prior


    //Observed data is pulled from histogram.
    //TFile *data_file = new TFile(data_file_name);
    TFile *data_file = new TFile(data_file_name);
    TH2D *data_hist = (TH2D *)data_file->Get(data_hist_name_in_file);
    RooDataHist *pData = new RooDataHist("data", "data", obs, data_hist);
    newworkspace->import(*pData);

    // Now, we will draw our data from a RooDataHist.
    /*TFile *data_file = new TFile(data_file_name);
    TTree *data_tree = (TTree *) data_file->Get(data_hist_name_in_file);
    RooDataSet *pData = new RooDataSet("data", "data", data_tree, obs);
    newworkspace->import(*pData);*/


    // Craft the signal+background model
    ModelConfig * pSbModel = new ModelConfig("SbModel");
    pSbModel->SetWorkspace(*newworkspace);
    pSbModel->SetPdf(*newworkspace->pdf("model"));
    pSbModel->SetPriorPdf(*newworkspace->pdf("prior"));
    pSbModel->SetParametersOfInterest(poi);
    pSbModel->SetNuisanceParameters(nuis);
    pSbModel->SetObservables(obs);
    pSbModel->SetGlobalObservables(globalObs);

    // set all but obs, poi and nuisance to const
    SetConstants(newworkspace, pSbModel);
    newworkspace->import(*pSbModel);


    // background-only model
    // use the same PDF as s+b, with sig=0
    // POI value under the background hypothesis
    // (We will set the value to 0 later)

    Double_t poiValueForBModel = 0.0;
    ModelConfig* pBModel = new ModelConfig(*(RooStats::ModelConfig *)newworkspace->obj("SbModel"));
    pBModel->SetName("BModel");
    pBModel->SetWorkspace(*newworkspace);
    newworkspace->import(*pBModel);

    // find global maximum with the signal+background model
    // with conditional MLEs for nuisance parameters
    // and save the parameter point snapshot in the Workspace
    //  - safer to keep a default name because some RooStats calculators
    //    will anticipate it
    RooAbsReal * pNll = pSbModel->GetPdf()->createNLL(*pData);
    RooAbsReal * pProfile = pNll->createProfile(RooArgSet());
    pProfile->getVal(); // this will do fit and set POI and nuisance parameters to fitted values
    RooArgSet * pPoiAndNuisance = new RooArgSet();
    if(pSbModel->GetNuisanceParameters())
        pPoiAndNuisance->add(*pSbModel->GetNuisanceParameters());
    pPoiAndNuisance->add(*pSbModel->GetParametersOfInterest());
    cout << "\nWill save these parameter points that correspond to the fit to data" << endl;
    pPoiAndNuisance->Print("v");
    pSbModel->SetSnapshot(*pPoiAndNuisance);
    delete pProfile;
    delete pNll;
    delete pPoiAndNuisance;


    // Find a parameter point for generating pseudo-data
    // with the background-only data.
    // Save the parameter point snapshot in the Workspace
    pNll = pBModel->GetPdf()->createNLL(*pData);
    pProfile = pNll->createProfile(poi);
    ((RooRealVar *)poi.first())->setVal(poiValueForBModel);
    pProfile->getVal(); // this will do fit and set nuisance parameters to profiled values
    pPoiAndNuisance = new RooArgSet();
    if(pBModel->GetNuisanceParameters())
        pPoiAndNuisance->add(*pBModel->GetNuisanceParameters());
    pPoiAndNuisance->add(*pBModel->GetParametersOfInterest());
    cout << "\nShould use these parameter points to generate pseudo data for bkg only" << endl;
    pPoiAndNuisance->Print("v");
    pBModel->SetSnapshot(*pPoiAndNuisance);
    delete pProfile;
    delete pNll;
    delete pPoiAndNuisance;

    // save workspace to file
    newworkspace->writeToFile("ws_twobin.root");

    // clean up
    delete newworkspace;
    delete pData;
    delete pSbModel;
    delete pBModel;


} // ----- end of tutorial ----------------------------------------
예제 #23
0
void DrawSignalProperties(TString OPTION)
{
  gROOT->ForceStyle();
  const int NCAT = 7;
  const int N = 5;
  const int MASS[N] = {115,120,125,130,135};
  int COLOR[N] = {kBlack,kGreen+1,kRed+1,kBlue,kMagenta};
  int STYLE[N] = {20,21,22,23,24};
 
  TFile *fSig  = TFile::Open("workspace/signal_shapes_workspace_"+OPTION+".root");
  RooWorkspace *wSig = (RooWorkspace*)fSig->Get("w");

  float x[N],yMean[N][NCAT],ySigma[N][NCAT],yWidth[N][NCAT],eMean[N][NCAT],eSigma[N][NCAT];  

  TH1F *hWidth[N],*hMean[N],*hSigma[N];
  TH2F *hFractionGF = new TH2F("FractionGF","FractionGF",NCAT,0,NCAT,N,0,N); 
  for(int icat=0;icat<NCAT;icat++) {
    hFractionGF->GetXaxis()->SetBinLabel(icat+1,TString::Format("CAT%d",icat)); 
  }
  for(int im=0;im<N;im++) {
    hFractionGF->GetYaxis()->SetBinLabel(im+1,TString::Format("%d",MASS[im])); 
  }

  //---------------------------------------------------------------------
  TCanvas *can = new TCanvas("SignalProperties","SignalProperties",900,600);
  can->Divide(2,2);
  TCanvas *can2 = new TCanvas("GFFraction","GFFraction",900,600);
  TLegend *leg = new TLegend(0.18,0.2,0.9,0.9);
  leg->SetFillColor(0);
  leg->SetBorderSize(0);
  leg->SetTextFont(42);
  leg->SetTextSize(0.07);
  

  for(int im=0;im<N;im++) {
    hWidth[im]      = new TH1F(TString::Format("width_m%d",MASS[im]),TString::Format("width_m%d",MASS[im]),NCAT,0,NCAT);
    hMean[im]       = new TH1F(TString::Format("mean_m%d",MASS[im]),TString::Format("mean_m%d",MASS[im]),NCAT,0,NCAT);
    hSigma[im]      = new TH1F(TString::Format("sigma_m%d",MASS[im]),TString::Format("sigma_m%d",MASS[im]),NCAT,0,NCAT);
    hWidth[im]->SetLineColor(COLOR[im]);
    hWidth[im]->SetMarkerColor(COLOR[im]);
    hWidth[im]->SetMarkerStyle(STYLE[im]);
    hMean[im]->SetLineColor(COLOR[im]);
    hMean[im]->SetMarkerColor(COLOR[im]);
    hMean[im]->SetMarkerStyle(STYLE[im]);
    hSigma[im]->SetLineColor(COLOR[im]);
    hSigma[im]->SetMarkerColor(COLOR[im]);
    hSigma[im]->SetMarkerStyle(STYLE[im]);
    x[im] = MASS[im];
    for(int icat=0;icat<NCAT;icat++) {
      if (im == 0) {
        hWidth[im]->GetXaxis()->SetBinLabel(icat+1,TString::Format("CAT%d",icat)); 
        hMean[im]->GetXaxis()->SetBinLabel(icat+1,TString::Format("CAT%d",icat));
        hSigma[im]->GetXaxis()->SetBinLabel(icat+1,TString::Format("CAT%d",icat));
      }
      
      yMean[im][icat]  = (RooRealVar*)wSig->var(TString::Format("mean_m%d_CAT%d",MASS[im],icat))->getValV(); 
      eMean[im][icat]  = (RooRealVar*)wSig->var(TString::Format("mean_m%d_CAT%d",MASS[im],icat))->getError();
      ySigma[im][icat] = (RooRealVar*)wSig->var(TString::Format("sigma_m%d_CAT%d",MASS[im],icat))->getValV(); 
      eSigma[im][icat] = (RooRealVar*)wSig->var(TString::Format("sigma_m%d_CAT%d",MASS[im],icat))->getError();  
      yWidth[im][icat] = (RooRealVar*)wSig->var(TString::Format("fwhm_m%d_CAT%d",MASS[im],icat))->getValV()/yMean[im][icat]; 

      hWidth[im]->SetBinContent(icat+1,yWidth[im][icat]);
      hMean[im]->SetBinContent(icat+1,yMean[im][icat]/x[im]);
      hMean[im]->SetBinError(icat+1,eMean[im][icat]/x[im]);
      hSigma[im]->SetBinContent(icat+1,ySigma[im][icat]/yMean[im][icat]);
      hSigma[im]->SetBinError(icat+1,(ySigma[im][icat]/yMean[im][icat])*sqrt(pow(eMean[im][icat]/yMean[im][icat],2)+pow(eSigma[im][icat]/ySigma[im][icat],2)));

      float gf  = (RooRealVar*)wSig->var(TString::Format("yield_signalGF_mass%d_CAT%d",MASS[im],icat))->getValV();
      float vbf = (RooRealVar*)wSig->var(TString::Format("yield_signalVBF_mass%d_CAT%d",MASS[im],icat))->getValV();
      float f   = gf/(gf+vbf);
      hFractionGF->SetBinContent(icat+1,im+1,f);
    }
    leg->AddEntry(hWidth[im],TString::Format("M_{H} = %d GeV",MASS[im]),"P");
    
    if (im == 0) {
      hWidth[im]->GetYaxis()->SetRangeUser(0.1,0.3);
      hWidth[im]->GetYaxis()->SetTitle("FWHM / m");
      hMean[im]->GetYaxis()->SetRangeUser(0.9,1.1);
      hMean[im]->GetYaxis()->SetTitle("m / M_{H}");
      hSigma[im]->GetYaxis()->SetRangeUser(0.04,0.16);
      hSigma[im]->GetYaxis()->SetTitle("#sigma / m");
      can->cd(1);
      hWidth[im]->Draw("LP");
      can->cd(2);
      hMean[im]->Draw("LP");
      can->cd(3);
      hSigma[im]->Draw("LP");
    }
    else {
      can->cd(1);
      hWidth[im]->Draw("LPsame");
      can->cd(2); 
      hMean[im]->Draw("LPsame");
      can->cd(3); 
      hSigma[im]->Draw("LPsame");
    }
    
  }

  can->cd(4);
  leg->Draw();
  can2->cd();
  gStyle->SetPalette(42,0);
  gStyle->SetPaintTextFormat("1.2g");
  hFractionGF->SetMarkerSize(2.0);
  hFractionGF->GetYaxis()->SetTitle("Higgs mass (GeV)");
  hFractionGF->GetXaxis()->SetTitle("Category");
  hFractionGF->Draw("COL TEXT");

 	can->SaveAs(TString::Format("plots/properties/%s.png",can->GetName()));
 	can2->SaveAs(TString::Format("plots/properties/%s.png",can2->GetName()));
}
예제 #24
0
파일: bs_gen.cpp 프로젝트: magania/b_fitter
int main (int argc, char **argv)
{
  const char* chInFile = "ws.root";
  const char* chOutFile = "ws_gen.root";
  int numSignal = 10000;
  int numBkg = 100000;

  char option_char;
  while ( (option_char = getopt(argc,argv, "i:o:s:b:")) != EOF )
    switch (option_char)
      {
         case 'i': chInFile = optarg; break;
         case 'o': chOutFile = optarg; break;
         case 's': numSignal = atoi(optarg); break;
         case 'b': numBkg = atoi(optarg); break;
         case '?': fprintf (stderr,
                            "usage: %s [i<input file> o<output file>]\n", argv[0]);
      }

  cout << "In File = " << chInFile << endl;
  cout << "Out File = " << chOutFile << endl;
  cout << "Signal Events = " << numSignal << endl;
  cout << "Bkg Events = " << numBkg << endl;

  TFile inFile(chInFile,"READ");
  RooWorkspace* ws = (RooWorkspace*) inFile.Get("rws");
  TFile outFile(chOutFile,"RECREATE");

/*
  ws->var("tau")->setVal(1.417);
  ws->var("DG")->setVal(0.151);
  ws->var("beta")->setVal(0.25);
  ws->var("A02")->setVal(0.553);
  ws->var("A1")->setVal(0.487);
  ws->var("delta_l")->setVal(3.15);
  ws->var("fs")->setVal(0.147);
*/

//  ws->var("delta_l")->setConstant(kTRUE);
//  ws->var("delta_p")->setConstant(kTRUE);
//  ws->var("Dm")->setConstant(kTRUE);

  //*ws->var("xs") = numSignal/(numSignal+numBkg);
//  int numSignal = numEvents * ws->var("xs")->getVal();
//  int numBkg = numEvents - numSignal;

  ws->factory("Gaussian::dilutionGauss(d,0,0.276)");
  //ws->factory("SUM::dSignalPDF(xds[0.109]*dilutionGauss,TruthModel(d))");
  //ws->factory("SUM::dBkgPDF(xdb[0.109]*dilutionGauss,TruthModel(d))");
  ws->factory("SUM::dSignalPDF(xds[1]*dilutionGauss,TruthModel(d))");
  ws->factory("SUM::dBkgPDF(xdb[1]*dilutionGauss,TruthModel(d))");

/*
  ws->factory("GaussModel::xetGaussianS(et,meanGaussEtS,sigmaGaussEtS)");
  ws->factory("Decay::xerrorSignal(et,tauEtS,xetGaussianS,SingleSided]");

  ws->factory("PROD::xsignalTimeAngle(timeAngle|et,xerrorSignal");
  ws->factory("PROD::xsignal(massSignal,xsignalTimeAngle,DmConstraint)");
*/

  RooDataSet* dSignalData = ws->pdf("dSignalPDF")->generate(RooArgSet(*ws->var("d")),numSignal);
  RooDataSet *dataSignal = ws->pdf("signal")->generate(RooArgSet(*ws->var("m"),*ws->var("t"),*ws->var("et"),*ws->var("cpsi"),*ws->var("ctheta"),*ws->var("phi")), RooFit::ProtoData(*dSignalData));

  ws->factory("GaussModel::xetGaussianPR(et,meanGaussEtPR,sigmaGaussEtPR)");
  ws->factory("Decay::xerrBkgPR(et,tauEtPR,xetGaussianPR,SingleSided]");

  ws->factory("GaussModel::xetGaussianNP(et,meanGaussEtNP,sigmaGaussEtNP)");
  ws->factory("Decay::xerrBkgNP(et,tauEtNP,xetGaussianNP,SingleSided]");


  /* Time */
  ws->factory("GaussModel::xresolution(t,0,scale,et)");
  ws->factory("Decay::xnegativeDecay(t,tauNeg,xresolution,Flipped)");
  ws->factory("Decay::xpositiveDecay(t,tauPos,xresolution,SingleSided)");
  ws->factory("Decay::xpositiveLongDecay(t,tauLngPos,xresolution,SingleSided)");

  ws->factory("RSUM::xtBkgNP(xn*xnegativeDecay,xp*xpositiveDecay,xpositiveLongDecay");

/*               Promt and Non-Prompt                       */
   ws->factory("PROD::xtimeBkgNP(xtBkgNP|et,xerrBkgNP)");
   ws->factory("PROD::xtimeBkgPR(xresolution|et,xerrBkgPR)");

   ws->factory("PROD::xPrompt(massBkgPR,xtimeBkgPR,anglePR)");
   ws->factory("PROD::xNonPrompt(massBkgNP,xtimeBkgNP,angleNP)");

  ws->factory("SUM::xbackground(xprompt*xPrompt,xNonPrompt)");


  RooDataSet* dBkgData = ws->pdf("dBkgPDF")->generate(RooArgSet(*ws->var("d")),numBkg);
  RooDataSet* dataBkg  = ws->pdf("xbackground")->generate(RooArgSet(*ws->var("m"),*ws->var("t"),*ws->var("et"),*ws->var("cpsi"),*ws->var("ctheta"),*ws->var("phi")), numBkg);

  dataBkg->merge(dBkgData);
  dataSignal->SetName("dataGenSignal");
  dataBkg->SetName("dataGenBkg");
  ws->import(*dataSignal);
  ws->import(*dataBkg);

  ////ws->import(*dataBkg,RooFit::Rename("dataGenBkg"));

  dataSignal->append(*dataBkg);
  dataSignal->SetName("dataGen");
  ws->import(*dataSignal);

  //RooFitResult *fit_result = ws->pdf("model")->fitTo(*ws->data("data"), RooFit::Save(kTRUE), RooFit::ConditionalObservables(*ws->var("d")), RooFit::NumCPU(2), RooFit::PrintLevel(3));
/*
        gROOT->SetStyle("Plain");

        TCanvas canvas("canvas", "canvas", 400,400);

        RooPlot *m_frame = ws->var("t")->frame();
        dataSignal->plotOn(m_frame, RooFit::MarkerSize(0.3));
        m_frame->Draw();

	canvas.SaveAs("m_toy_plot.png");
*/
/*
        gROOT->SetStyle("Plain");

        TCanvas canvas("canvas", "canvas", 800,400);
        canvas.Divide(2);

        canvas.cd(1);
        RooPlot *t_frame = ws->var("t")->frame();
        ws->data("data")->plotOn(t_frame, RooFit::MarkerSize(0.3));
        gPad->SetLogy(1);
        t_frame->Draw();

        canvas.cd(2);
        RooPlot *et_frame = ws->var("et")->frame();
        ws->data("data")->plotOn(et_frame,RooFit::MarkerSize(0.2));
        ws->pdf("errorSignal")->plotOn(et_frame);
        gPad->SetLogy(1);
        et_frame->Draw();

        canvas.SaveAs("t.png"); 


        canvas.cd(2);
        gPad->SetLogy(0);
        RooPlot *cpsi_frame = ws.var("cpsi")->frame();
        data->plotOn(cpsi_frame,RooFit::MarkerSize(0.2), RooFit::Rescale(1));
        data2->plotOn(cpsi_frame,
                RooFit::LineColor(kBlue), RooFit::DrawOption("L"));
        cpsi_frame->Draw();

        canvas.cd(3);
        RooPlot *ctheta_frame = ws.var("ctheta")->frame();
        data->plotOn(ctheta_frame,RooFit::MarkerSize(0.2), RooFit::Rescale(1));
        data2->plotOn(ctheta_frame,
                RooFit::LineColor(kBlue), RooFit::DrawOption("L"));
        ctheta_frame->Draw();

        canvas.cd(4);
        RooPlot *phi_frame = ws.var("phi")->frame();
        data->plotOn(phi_frame,RooFit::MarkerSize(0.2), RooFit::Rescale(1));
        data2->plotOn(phi_frame,
                RooFit::LineColor(kBlue), RooFit::DrawOption("L"));
        phi_frame->Draw();

       canvas.SaveAs("t.png");

*/

  ws->data("dataGen")->Print();
  ws->data("dataGenSignal")->Print();
  ws->data("dataGenBkg")->Print();

  ws->Write("rws");
  outFile.Close();
  inFile.Close();
}
예제 #25
0
void rf511_wsfactory_basic(Bool_t compact=kFALSE)
{
  RooWorkspace* w = new RooWorkspace("w") ;

  // C r e a t i n g   a n d   a d d i n g   b a s i c  p . d . f . s 
  // ----------------------------------------------------------------


  // Remake example p.d.f. of tutorial rs502_wspacewrite.C:
  //
  // Basic p.d.f. construction: ClassName::ObjectName(constructor arguments)
  // Variable construction    : VarName[x,xlo,xhi], VarName[xlo,xhi], VarName[x]
  // P.d.f. addition          : SUM::ObjectName(coef1*pdf1,...coefM*pdfM,pdfN)
  //

  if (!compact) {

    // Use object factory to build p.d.f. of tutorial rs502_wspacewrite
    w->factory("Gaussian::sig1(x[-10,10],mean[5,0,10],0.5)") ;
    w->factory("Gaussian::sig2(x,mean,1)") ;
    w->factory("Chebychev::bkg(x,{a0[0.5,0.,1],a1[-0.2,0.,1.]})") ;
    w->factory("SUM::sig(sig1frac[0.8,0.,1.]*sig1,sig2)") ;
    w->factory("SUM::model(bkgfrac[0.5,0.,1.]*bkg,sig)") ;

  } else {

    // Use object factory to build p.d.f. of tutorial rs502_wspacewrite but 
    //  - Contracted to a single line recursive expression, 
    //  - Omitting explicit names for components that are not referred to explicitly later

    w->factory("SUM::model(bkgfrac[0.5,0.,1.]*Chebychev::bkg(x[-10,10],{a0[0.5,0.,1],a1[-0.2,0.,1.]}),"
                                              "SUM(sig1frac[0.8,0.,1.]*Gaussian(x,mean[5,0,10],0.5), Gaussian(x,mean,1)))") ;
  }


  // A d v a n c e d   p . d . f .  c o n s t r u c t o r   a r g u m e n t s
  // ----------------------------------------------------------------
  //
  // P.d.f. constructor arguments may by any type of RooAbsArg, but also
  //
  // Double_t --> converted to RooConst(...)
  // {a,b,c} --> converted to RooArgSet() or RooArgList() depending on required ctor arg
  // dataset name --> convered to RooAbsData reference for any dataset residing in the workspace
  // enum --> Any enum label that belongs to an enum defined in the (base) class


  // Make a dummy dataset p.d.f. 'model' and import it in the workspace
  RooDataSet* data = w->pdf("model")->generate(*w->var("x"),1000) ;
  w->import(*data,Rename("data")) ;   

  // Construct a KEYS p.d.f. passing a dataset name and an enum type defining the
  // mirroring strategy
  w->factory("KeysPdf::k(x,data,NoMirror,0.2)") ;


  // Print workspace contents
  w->Print() ;

  // Make workspace visible on command line
  gDirectory->Add(w) ;

}
예제 #26
0
vector<Double_t*> simFit(bool makeSoupFit_ = false,
			 const string tnp_ = "etoTauMargLooseNoCracks70", 
			 const string category_ = "tauAntiEMVA",
			 const string bin_ = "abseta<1.5",
			 const float binCenter_ = 0.75,
			 const float binWidth_ = 0.75,
			 const float xLow_=60, 
			 const float xHigh_=120,
			 bool SumW2_ = false,
			 bool verbose_ = true){

  vector<Double_t*> out;
  //return out;

  //TFile *test = new TFile( outFile->GetName(),"UPDATE");
  // output file
  TFile *test = new TFile( Form("EtoTauPlotsFit_%s_%s_%f.root",tnp_.c_str(),category_.c_str(),binCenter_),"RECREATE");
  test->mkdir(Form("bin%f",binCenter_));

  TCanvas *c = new TCanvas("fitCanvas",Form("fitCanvas_%s_%s",tnp_.c_str(),bin_.c_str()),10,30,650,600);
  c->SetGrid(0,0);
  c->SetFillStyle(4000);
  c->SetFillColor(10);
  c->SetTicky();
  c->SetObjectStat(0);
  
  TCanvas *c2 = new TCanvas("fitCanvasTemplate",Form("fitCanvasTemplate_%s_%s",tnp_.c_str(),bin_.c_str()),10,30,650,600);
  c2->SetGrid(0,0);
  c2->SetFillStyle(4000);
  c2->SetFillColor(10);
  c2->SetTicky();
  c2->SetObjectStat(0);

  // input files
  TFile fsup("/data_CMS/cms/lbianchini/tagAndProbe/trees/38XWcut/testNewWriteFromPAT_soup.root");
  TFile fbkg("/data_CMS/cms/lbianchini/tagAndProbe/trees/38XWcut/testNewWriteFromPAT_soup_bkg.root");
  TFile fsgn("/data_CMS/cms/lbianchini/tagAndProbe/trees/38XWcut/testNewWriteFromPAT_soup_sgn.root");
  TFile fdat("/data_CMS/cms/lbianchini/tagAndProbe/trees/38XWcut/testNewWriteFromPAT_Data.root");
  // data from 2iter:
  //TFile fdat("/data_CMS/cms/lbianchini/35pb/testNewWriteFromPAT_Data.root");
  
  //********************** signal only tree *************************/

  TTree *fullTreeSgn = (TTree*)fsgn.Get((tnp_+"/fitter_tree").c_str());
  TH1F* hSall        = new TH1F("hSall","",1,0,150);
  TH1F* hSPall       = new TH1F("hSPall","",1,0,150);
  TH1F* hS           = new TH1F("hS","",1,0,150);
  TH1F* hSP          = new TH1F("hSP","",1,0,150);
  fullTreeSgn->Draw("mass>>hS",Form("weight*(%s && mass>%f && mass<%f && mcTrue && signalPFChargedHadrCands<1.5)",bin_.c_str(),xLow_,xHigh_));
  fullTreeSgn->Draw("mass>>hSall",Form("weight*(%s && mass>%f && mass<%f)",bin_.c_str(),xLow_,xHigh_));

  float SGNtrue = hS->Integral();
  float SGNall  = hSall->Integral();
 
  fullTreeSgn->Draw("mass>>hSP",Form("weight*(%s && %s>0 && mass>%f && mass<%f && mcTrue && signalPFChargedHadrCands<1.5 )",bin_.c_str(),category_.c_str(),xLow_,xHigh_));
  fullTreeSgn->Draw("mass>>hSPall",Form("weight*(%s && %s>0 && mass>%f && mass<%f && signalPFChargedHadrCands<1.5 )",bin_.c_str(),category_.c_str(),xLow_,xHigh_));

  float SGNtruePass = hSP->Integral();
  float SGNallPass  = hSPall->Integral();

  //********************** background only tree *************************//

  TTree *fullTreeBkg = (TTree*)fbkg.Get((tnp_+"/fitter_tree").c_str());
  TH1F* hB = new TH1F("hB","",1,0,150);
  TH1F* hBP = new TH1F("hBP","",1,0,150);
  fullTreeBkg->Draw("mass>>hB",Form("weight*(%s && mass>%f && mass<%f && signalPFChargedHadrCands<1.5 )",bin_.c_str(),xLow_,xHigh_));
 
  float BKG           = hB->Integral();
  float BKGUnWeighted = hB->GetEntries();
  
  fullTreeBkg->Draw("mass>>hBP",Form("weight*(%s && %s>0 && mass>%f && mass<%f && signalPFChargedHadrCands<1.5 )",bin_.c_str(),category_.c_str(),xLow_,xHigh_));
  
  float BKGPass           = hBP->Integral();
  float BKGUnWeightedPass = hBP->GetEntries();
  float BKGFail           = BKG-BKGPass;
  cout << "*********** BKGFail " << BKGFail << endl;

  //********************** soup tree *************************//

  TTree *fullTreeSoup = (TTree*)fsup.Get((tnp_+"/fitter_tree").c_str());

  //********************** data tree *************************//

  TTree *fullTreeData = (TTree*)fdat.Get((tnp_+"/fitter_tree").c_str());

  //********************** workspace ***********************//

  RooWorkspace *w = new RooWorkspace("w","w");
  // tree variables to be imported
  w->factory("mass[30,120]");
  w->factory("weight[0,10000]");
  w->factory("abseta[0,2.5]");
  w->factory("pt[0,200]");
  w->factory("mcTrue[0,1]");
  w->factory("signalPFChargedHadrCands[0,10]");
  w->factory((category_+"[0,1]").c_str());
  // background pass pdf for MC
  w->factory("RooExponential::McBackgroundPdfP(mass,McCP[0,-10,10])");
  // background fail pdf for MC
  w->factory("RooExponential::McBackgroundPdfF(mass,McCF[0,-10,10])");
  // background pass pdf for Data
  w->factory("RooExponential::DataBackgroundPdfP(mass,DataCP[0,-10,10])");
  // background fail pdf for Data
  w->factory("RooExponential::DataBackgroundPdfF(mass,DataCF[0,-10,10])");
  // fit parameters for background
  w->factory("McEfficiency[0.04,0,1]");
  w->factory("McNumSgn[0,1000000]");
  w->factory("McNumBkgP[0,100000]");
  w->factory("McNumBkgF[0,100000]"); 
  w->factory("expr::McNumSgnP('McEfficiency*McNumSgn',McEfficiency,McNumSgn)");
  w->factory("expr::McNumSgnF('(1-McEfficiency)*McNumSgn',McEfficiency,McNumSgn)");
  w->factory("McPassing[pass=1,fail=0]");
  // fit parameters for data
  w->factory("DataEfficiency[0.1,0,1]");
  w->factory("DataNumSgn[0,1000000]");
  w->factory("DataNumBkgP[0,1000000]");
  w->factory("DataNumBkgF[0,10000]");
  w->factory("expr::DataNumSgnP('DataEfficiency*DataNumSgn',DataEfficiency,DataNumSgn)");
  w->factory("expr::DataNumSgnF('(1-DataEfficiency)*DataNumSgn',DataEfficiency,DataNumSgn)");
  w->factory("DataPassing[pass=1,fail=0]");

  RooRealVar  *weight = w->var("weight");
  RooRealVar  *abseta = w->var("abseta");
  RooRealVar  *pt     = w->var("pt");
  RooRealVar  *mass   = w->var("mass");
  mass->setRange(xLow_,xHigh_);
  RooRealVar  *mcTrue = w->var("mcTrue");
  RooRealVar  *cut    = w->var( category_.c_str() );
  RooRealVar  *signalPFChargedHadrCands = w->var("signalPFChargedHadrCands");
 
  // build the template for the signal pass sample:
  RooDataSet templateP("templateP","dataset for signal-pass template", RooArgSet(*mass,*weight,*abseta,*pt,*cut,*mcTrue,*signalPFChargedHadrCands), Import( *fullTreeSgn ), /*WeightVar( *weight ),*/ Cut( Form("(mcTrue && %s>0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()) ) );
  // build the template for the signal fail sample:
  RooDataSet templateF("templateF","dataset for signal-fail template", RooArgSet(*mass,*weight,*abseta,*pt,*cut,*mcTrue,*signalPFChargedHadrCands), Import( *fullTreeSgn ), /*WeightVar( *weight ),*/ Cut( Form("(mcTrue && %s<0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()) ) );
  

  mass->setBins(24);
  RooDataHist templateHistP("templateHistP","",RooArgSet(*mass), templateP, 1.0);
  RooHistPdf TemplateSignalPdfP("TemplateSignalPdfP","",RooArgSet(*mass),templateHistP);
  w->import(TemplateSignalPdfP);

  mass->setBins(24);
  RooDataHist templateHistF("templateHistF","",RooArgSet(*mass),templateF,1.0);
  RooHistPdf TemplateSignalPdfF("TemplateSignalPdfF","",RooArgSet(*mass),templateHistF);
  w->import(TemplateSignalPdfF);

  mass->setBins(10000,"fft");

  RooPlot* TemplateFrameP = mass->frame(Bins(24),Title("Template passing"));
  templateP.plotOn(TemplateFrameP);
  w->pdf("TemplateSignalPdfP")->plotOn(TemplateFrameP);
  
  RooPlot* TemplateFrameF = mass->frame(Bins(24),Title("Template failing"));
  templateF.plotOn(TemplateFrameF);
  w->pdf("TemplateSignalPdfF")->plotOn(TemplateFrameF);

  //w->factory("RooFFTConvPdf::McSignalPdfP(mass,TemplateSignalPdfP,RooTruthModel::McResolModP(mass))");
  //w->factory("RooFFTConvPdf::McSignalPdfF(mass,TemplateSignalPdfF,RooTruthModel::McResolModF(mass))");

  // FOR GREGORY: PROBLEM WHEN TRY TO USE THE PURE TEMPLATE =>
  RooHistPdf McSignalPdfP("McSignalPdfP","McSignalPdfP",RooArgSet(*mass),templateHistP);
  RooHistPdf McSignalPdfF("McSignalPdfF","McSignalPdfF",RooArgSet(*mass),templateHistF);
  w->import(McSignalPdfP);
  w->import(McSignalPdfF);
  // FOR GREGORY: FOR DATA, CONVOLUTION IS OK =>
  w->factory("RooFFTConvPdf::DataSignalPdfP(mass,TemplateSignalPdfP,RooGaussian::DataResolModP(mass,DataMeanResP[0.0,-5.,5.],DataSigmaResP[0.5,0.,10]))");
  w->factory("RooFFTConvPdf::DataSignalPdfF(mass,TemplateSignalPdfF,RooGaussian::DataResolModF(mass,DataMeanResF[-5.,-10.,10.],DataSigmaResF[0.5,0.,10]))");
  //w->factory("RooCBShape::DataSignalPdfF(mass,DataMeanF[91.2,88,95.],DataSigmaF[3,0.5,8],DataAlfaF[1.8,0.,10],DataNF[1.0,1e-06,10])");
  //w->factory("RooFFTConvPdf::DataSignalPdfF(mass,RooVoigtian::DataVoigF(mass,DataMeanF[85,80,95],DataWidthF[2.49],DataSigmaF[3,0.5,10]),RooCBShape::DataResolModF(mass,DataMeanResF[0.5,0.,10.],DataSigmaResF[0.5,0.,10],DataAlphaResF[0.5,0.,10],DataNResF[1.0,1e-06,10]))");
  //w->factory("SUM::DataSignalPdfF(fVBP[0.5,0,1]*RooBifurGauss::bifF(mass,DataMeanResF[91.2,80,95],sigmaLF[10,0.5,40],sigmaRF[0.]), RooVoigtian::voigF(mass, DataMeanResF, widthF[2.49], sigmaVoigF[5,0.1,10]) )" );
  
  // composite model pass for MC
  w->factory("SUM::McModelP(McNumSgnP*McSignalPdfP,McNumBkgP*McBackgroundPdfP)");  
  w->factory("SUM::McModelF(McNumSgnF*McSignalPdfF,McNumBkgF*McBackgroundPdfF)");
  // composite model pass for data
  w->factory("SUM::DataModelP(DataNumSgnP*DataSignalPdfP,DataNumBkgP*DataBackgroundPdfP)");  
  w->factory("SUM::DataModelF(DataNumSgnF*DataSignalPdfF,DataNumBkgF*DataBackgroundPdfF)");  
  // simultaneous fir for MC
  w->factory("SIMUL::McModel(McPassing,pass=McModelP,fail=McModelF)");
  // simultaneous fir for data
  w->factory("SIMUL::DataModel(DataPassing,pass=DataModelP,fail=DataModelF)");
  w->Print("V");
  w->saveSnapshot("clean", w->allVars());

  w->loadSnapshot("clean");

  /****************** sim fit to soup **************************/

  ///////////////////////////////////////////////////////////////
  TFile *f = new TFile("dummySoup.root","RECREATE");
  TTree* cutTreeSoupP = fullTreeSoup->CopyTree(Form("(%s>0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()));
  TTree* cutTreeSoupF = fullTreeSoup->CopyTree(Form("(%s<0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()));
 
  RooDataSet McDataP("McDataP","dataset pass for the soup", RooArgSet(*mass), Import( *cutTreeSoupP ) );
 
  RooDataSet McDataF("McDataF","dataset fail for the soup", RooArgSet(*mass), Import( *cutTreeSoupF ) );
 
  RooDataHist McCombData("McCombData","combined data for the soup", RooArgSet(*mass), Index(*(w->cat("McPassing"))), Import("pass", *(McDataP.createHistogram("histoP",*mass)) ), Import("fail",*(McDataF.createHistogram("histoF",*mass)) ) ) ;

  RooPlot* McFrameP    = 0;
  RooPlot* McFrameF    = 0;
  RooRealVar* McEffFit = 0;

  if(makeSoupFit_){

    cout << "**************** N bins in mass " << w->var("mass")->getBins() << endl;

    RooFitResult* ResMcCombinedFit = w->pdf("McModel")->fitTo(McCombData, Extended(1), Minos(1), Save(1),  SumW2Error( SumW2_ ), Range(xLow_,xHigh_), NumCPU(4) /*, ExternalConstraints( *(w->pdf("ConstrainMcNumBkgF")) )*/ );
    test->cd(Form("bin%f",binCenter_));
    ResMcCombinedFit->Write("McFitResults_Combined");

    RooArgSet McFitParam(ResMcCombinedFit->floatParsFinal());
    McEffFit     = (RooRealVar*)(&McFitParam["McEfficiency"]);
    RooRealVar* McNumSigFit  = (RooRealVar*)(&McFitParam["McNumSgn"]);
    RooRealVar* McNumBkgPFit = (RooRealVar*)(&McFitParam["McNumBkgP"]);
    RooRealVar* McNumBkgFFit = (RooRealVar*)(&McFitParam["McNumBkgF"]);

    McFrameP = mass->frame(Bins(24),Title("MC: passing sample"));
    McCombData.plotOn(McFrameP,Cut("McPassing==McPassing::pass"));
    w->pdf("McModel")->plotOn(McFrameP,Slice(*(w->cat("McPassing")),"pass"), ProjWData(*(w->cat("McPassing")),McCombData), LineColor(kBlue),Range(xLow_,xHigh_));
    w->pdf("McModel")->plotOn(McFrameP,Slice(*(w->cat("McPassing")),"pass"), ProjWData(*(w->cat("McPassing")),McCombData), Components("McSignalPdfP"), LineColor(kRed),Range(xLow_,xHigh_));
    w->pdf("McModel")->plotOn(McFrameP,Slice(*(w->cat("McPassing")),"pass"), ProjWData(*(w->cat("McPassing")),McCombData), Components("McBackgroundPdfP"), LineColor(kGreen),Range(xLow_,xHigh_));
    
    McFrameF = mass->frame(Bins(24),Title("MC: failing sample"));
    McCombData.plotOn(McFrameF,Cut("McPassing==McPassing::fail"));
    w->pdf("McModel")->plotOn(McFrameF,Slice(*(w->cat("McPassing")),"fail"), ProjWData(*(w->cat("McPassing")),McCombData), LineColor(kBlue),Range(xLow_,xHigh_));
    w->pdf("McModel")->plotOn(McFrameF,Slice(*(w->cat("McPassing")),"fail"), ProjWData(*(w->cat("McPassing")),McCombData), Components("McSignalPdfF"), LineColor(kRed),Range(xLow_,xHigh_)); 
    w->pdf("McModel")->plotOn(McFrameF,Slice(*(w->cat("McPassing")),"fail"), ProjWData(*(w->cat("McPassing")),McCombData), Components("McBackgroundPdfF"), LineColor(kGreen),Range(xLow_,xHigh_)); 
  }
  
  ///////////////////////////////////////////////////////////////

  /****************** sim fit to data **************************/

  ///////////////////////////////////////////////////////////////
  TFile *f2 = new TFile("dummyData.root","RECREATE");
  TTree* cutTreeDataP = fullTreeData->CopyTree(Form("(%s>0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()));
  TTree* cutTreeDataF = fullTreeData->CopyTree(Form("(%s<0.5 && %s && signalPFChargedHadrCands<1.5)",category_.c_str(),bin_.c_str()));
 
  RooDataSet DataDataP("DataDataP","dataset pass for the soup", RooArgSet(*mass), Import( *cutTreeDataP ) );
  RooDataSet DataDataF("DataDataF","dataset fail for the soup", RooArgSet(*mass), Import( *cutTreeDataF ) );
  RooDataHist DataCombData("DataCombData","combined data for the soup", RooArgSet(*mass), Index(*(w->cat("DataPassing"))), Import("pass",*(DataDataP.createHistogram("histoDataP",*mass))),Import("fail",*(DataDataF.createHistogram("histoDataF",*mass)))) ;

  RooFitResult* ResDataCombinedFit = w->pdf("DataModel")->fitTo(DataCombData, Extended(1), Minos(1), Save(1),  SumW2Error( SumW2_ ), Range(xLow_,xHigh_), NumCPU(4));
  test->cd(Form("bin%f",binCenter_));
  ResDataCombinedFit->Write("DataFitResults_Combined");

  RooArgSet DataFitParam(ResDataCombinedFit->floatParsFinal());
  RooRealVar* DataEffFit     = (RooRealVar*)(&DataFitParam["DataEfficiency"]);
  RooRealVar* DataNumSigFit  = (RooRealVar*)(&DataFitParam["DataNumSgn"]);
  RooRealVar* DataNumBkgPFit = (RooRealVar*)(&DataFitParam["DataNumBkgP"]);
  RooRealVar* DataNumBkgFFit = (RooRealVar*)(&DataFitParam["DataNumBkgF"]);

  RooPlot* DataFrameP = mass->frame(Bins(24),Title("Data: passing sample"));
  DataCombData.plotOn(DataFrameP,Cut("DataPassing==DataPassing::pass"));
  w->pdf("DataModel")->plotOn(DataFrameP,Slice(*(w->cat("DataPassing")),"pass"), ProjWData(*(w->cat("DataPassing")),DataCombData), LineColor(kBlue),Range(xLow_,xHigh_));
  w->pdf("DataModel")->plotOn(DataFrameP,Slice(*(w->cat("DataPassing")),"pass"), ProjWData(*(w->cat("DataPassing")),DataCombData), Components("DataSignalPdfP"), LineColor(kRed),Range(xLow_,xHigh_));
  w->pdf("DataModel")->plotOn(DataFrameP,Slice(*(w->cat("DataPassing")),"pass"), ProjWData(*(w->cat("DataPassing")),DataCombData), Components("DataBackgroundPdfP"), LineColor(kGreen),LineStyle(kDashed),Range(xLow_,xHigh_));
  
  RooPlot* DataFrameF = mass->frame(Bins(24),Title("Data: failing sample"));
  DataCombData.plotOn(DataFrameF,Cut("DataPassing==DataPassing::fail"));
  w->pdf("DataModel")->plotOn(DataFrameF,Slice(*(w->cat("DataPassing")),"fail"), ProjWData(*(w->cat("DataPassing")),DataCombData), LineColor(kBlue),Range(xLow_,xHigh_));
  w->pdf("DataModel")->plotOn(DataFrameF,Slice(*(w->cat("DataPassing")),"fail"), ProjWData(*(w->cat("DataPassing")),DataCombData), Components("DataSignalPdfF"), LineColor(kRed),Range(xLow_,xHigh_));
  w->pdf("DataModel")->plotOn(DataFrameF,Slice(*(w->cat("DataPassing")),"fail"), ProjWData(*(w->cat("DataPassing")),DataCombData), Components("DataBackgroundPdfF"), LineColor(kGreen),LineStyle(kDashed),Range(xLow_,xHigh_));
  ///////////////////////////////////////////////////////////////

 
  if(makeSoupFit_) c->Divide(2,2);
  else c->Divide(2,1);
 
  c->cd(1);
  DataFrameP->Draw();
  c->cd(2);
  DataFrameF->Draw();

  if(makeSoupFit_){
    c->cd(3);
    McFrameP->Draw();
    c->cd(4);
    McFrameF->Draw();
  }
 
  c->Draw();
 
  test->cd(Form("bin%f",binCenter_));
 
  c->Write();
 
  c2->Divide(2,1);
  c2->cd(1);
  TemplateFrameP->Draw();
  c2->cd(2);
  TemplateFrameF->Draw();
  c2->Draw();
 
  test->cd(Form("bin%f",binCenter_));
  c2->Write();


  // MINOS errors, otherwise HESSE quadratic errors
  float McErrorLo = 0;
  float McErrorHi = 0;
  if(makeSoupFit_){
    McErrorLo = McEffFit->getErrorLo()<0 ? McEffFit->getErrorLo() : (-1)*McEffFit->getError();
    McErrorHi = McEffFit->getErrorHi()>0 ? McEffFit->getErrorHi() : McEffFit->getError();
  }
  float DataErrorLo = DataEffFit->getErrorLo()<0 ? DataEffFit->getErrorLo() : (-1)*DataEffFit->getError();
  float DataErrorHi = DataEffFit->getErrorHi()>0 ? DataEffFit->getErrorHi() : DataEffFit->getError();
  float BinomialError = TMath::Sqrt(SGNtruePass/SGNtrue*(1-SGNtruePass/SGNtrue)/SGNtrue);
 
  Double_t* truthMC = new Double_t[6];
  Double_t* tnpMC   = new Double_t[6];
  Double_t* tnpData = new Double_t[6];

  truthMC[0] = binCenter_;
  truthMC[1] = binWidth_;
  truthMC[2] = binWidth_;
  truthMC[3] = SGNtruePass/SGNtrue;
  truthMC[4] = BinomialError;
  truthMC[5] = BinomialError;
  if(makeSoupFit_){
    tnpMC[0] = binCenter_;
    tnpMC[1] = binWidth_;
    tnpMC[2] = binWidth_;
    tnpMC[3] = McEffFit->getVal();
    tnpMC[4] = (-1)*McErrorLo;
    tnpMC[5] = McErrorHi;
  }
  tnpData[0] = binCenter_;
  tnpData[1] = binWidth_;
  tnpData[2] = binWidth_;
  tnpData[3] = DataEffFit->getVal();
  tnpData[4] = (-1)*DataErrorLo;
  tnpData[5] = DataErrorHi;

  out.push_back(truthMC);
  out.push_back(tnpData);
  if(makeSoupFit_) out.push_back(tnpMC);

  test->Close();

  //delete c; delete c2;

  if(verbose_) cout << "returning from bin " << bin_ << endl;
  return out;

}
예제 #27
0
파일: FitBias.C 프로젝트: kkousour/UserCode
void FitBias(TString CAT,TString CUT,float SIG,float BKG,int NTOYS)
{
  gROOT->ForceStyle();
  
  RooMsgService::instance().setSilentMode(kTRUE);
  RooMsgService::instance().setStreamStatus(0,kFALSE);
  RooMsgService::instance().setStreamStatus(1,kFALSE);
  
  // -----------------------------------------
  TFile *fTemplates = TFile::Open("templates_"+CUT+"_"+CAT+"_workspace.root");
  RooWorkspace *wTemplates = (RooWorkspace*)fTemplates->Get("w");
  RooRealVar *x            = (RooRealVar*)wTemplates->var("mTop");
  RooAbsPdf *pdf_signal    = (RooAbsPdf*)wTemplates->pdf("ttbar_pdf_Nominal");
  RooAbsPdf *pdf_bkg       = (RooAbsPdf*)wTemplates->pdf("qcdCor_pdf"); 
  TRandom *rnd = new TRandom();
  rnd->SetSeed(0);
  x->setBins(250);   
  RooPlot *frame;

  TFile *outf;

  if (NTOYS > 1) { 
    outf = TFile::Open("FitBiasToys_"+CUT+"_"+CAT+".root","RECREATE");
  }

  float nSigInj,nBkgInj,nSigFit,nBkgFit,eSigFit,eBkgFit,nll;

  TTree *tr = new TTree("toys","toys");
  
  tr->Branch("nSigInj",&nSigInj,"nSigInj/F");
  tr->Branch("nSigFit",&nSigFit,"nSigFit/F");
  tr->Branch("nBkgInj",&nBkgInj,"nBkgInj/F");
  tr->Branch("nBkgFit",&nBkgFit,"nBkgFit/F");
  tr->Branch("eSigFit",&eSigFit,"eSigFit/F");
  tr->Branch("eBkgFit",&eBkgFit,"eBkgFit/F");
  tr->Branch("nll"    ,&nll    ,"nll/F");

  for(int itoy=0;itoy<NTOYS;itoy++) {
    // generate pseudodataset
    nSigInj = rnd->Poisson(SIG);
    nBkgInj = rnd->Poisson(BKG);
    RooRealVar *nSig = new RooRealVar("nSig","nSig",nSigInj);
    RooRealVar *nBkg = new RooRealVar("nBkg","nBkg",nBkgInj);
    RooAddPdf *model = new RooAddPdf("model","model",RooArgList(*pdf_signal,*pdf_bkg),RooArgList(*nSig,*nBkg)); 
    RooDataSet *data = model->generate(*x,nSigInj+nBkgInj);
    
    RooDataHist *roohist = new RooDataHist("roohist","roohist",RooArgList(*x),*data);
    // build fit model
    RooRealVar *nFitSig = new RooRealVar("nFitSig","nFitSig",SIG,0,10*SIG);
    RooRealVar *nFitBkg = new RooRealVar("nFitBkg","nFitBkg",BKG,0,10*BKG);
    RooAddPdf *modelFit = new RooAddPdf("modelFit","modelFit",RooArgList(*pdf_signal,*pdf_bkg),RooArgList(*nFitSig,*nFitBkg)); 
    // fit the pseudo dataset
    RooFitResult *res = modelFit->fitTo(*roohist,RooFit::Save(),RooFit::Extended(kTRUE));
    //res->Print();
    nSigFit = nFitSig->getVal();
    nBkgFit = nFitBkg->getVal();
    eSigFit = nFitSig->getError();
    eBkgFit = nFitBkg->getError();
    nll     = res->minNll();
    tr->Fill();
    if (itoy % 100 == 0) {
      cout<<"Toy #"<<itoy<<": injected = "<<nSigInj<<", fitted = "<<nSigFit<<", error = "<<eSigFit<<endl;
    }
    if (NTOYS == 1) {
      frame = x->frame();
      roohist->plotOn(frame); 
      model->plotOn(frame);
    }
  }
  if (NTOYS == 1) {
    TCanvas *can = new TCanvas("Toy","Toy",900,600);
    frame->Draw();
  }  
  else {
    outf->cd();
    tr->Write();
    outf->Close();
    fTemplates->Close();
  }  
}
예제 #28
0
int main (int argc, char **argv)
{
  const char* chInFile = "ws.root";
  const char* chOutFile = "ws_data.root";
  const char* chRootFile = "BDT20.root";
  const char* chCut = "";

  char option_char;
  while ( (option_char = getopt(argc,argv, "i:o:r:c:")) != EOF )
    switch (option_char)
      {
         case 'i': chInFile = optarg; break;
         case 'o': chOutFile = optarg; break;
         case 'r': chRootFile = optarg; break;
         case 'c': chCut = optarg; break;
         case '?': fprintf (stderr,
                            "usage: %s [i<input file> o<output file>]\n", argv[0]);
      }

  cout << "In  Ws = " << chInFile << endl;
  cout << "Out Ws = " << chOutFile << endl;
  cout << "Data From = " << chRootFile << endl;
  cout << "Extra Cut = " << chCut << endl;


   TFile* in_file = new TFile(chInFile);
   RooWorkspace *rws = (RooWorkspace*) in_file->Get("rws");

   TFile* tree_file = new TFile(chRootFile);
   TTree* tree = (TTree*) tree_file->Get("tree");

   TFile* out_file = new TFile(chOutFile, "RECREATE");

   RooArgSet allVars(*rws->var("m"),*rws->var("t"),*rws->var("et"),*rws->var("cpsi"),*rws->var("ctheta"),*rws->var("phi"),*rws->var("d"));
   RooDataSet* data = new RooDataSet("data","data",allVars);
   RooDataSet* dataBkg = new RooDataSet("dataBkg","dataBkg",allVars);

   TCut* cut = new TCut("5.17<bs_mass && bs_mass<5.57 && bs_epdl<0.02 && bs_pdl<0.40 && bs_pdl>-0.15 && 1.01<phi_mass && phi_mass<1.03");
   *cut += chCut;
   tree->Draw(">>entry_list", *cut, "entrylist");
   TEntryList* event_list = (TEntryList*) out_file->Get("entry_list");

   Double_t dM, dT, dEt, dCpsi, dCtheta, dPhi, dd;
   Int_t ddDefined;
   tree->SetBranchAddress("bs_mass", &dM);
   tree->SetBranchAddress("bs_pdl", &dT);
   tree->SetBranchAddress("bs_epdl", &dEt);
   tree->SetBranchAddress("bs_angle_cpsi", &dCpsi);
   tree->SetBranchAddress("bs_angle_ctheta", &dCtheta);
   tree->SetBranchAddress("bs_angle_phi", &dPhi);
   tree->SetBranchAddress("newtag_ost", &dd);
   tree->SetBranchAddress("newtag_ost_defined", &ddDefined);


   for (Long_t i=0; i<event_list->GetN(); i++){
     tree->GetEntry(event_list->GetEntry(i));

       *rws->var("m")=dM;
       *rws->var("t")=dT/0.0299792458;
       *rws->var("et")=dEt/0.0299792458;
       *rws->var("cpsi")=dCpsi;
       *rws->var("ctheta")=dCtheta;
       *rws->var("phi")=dPhi;

       *rws->var("d")=0;
       ////rws->cat("dilution")->setIndex(0);
       if ( ddDefined==1 ){
    	   ////rws->cat("dilution")->setIndex(1);
    	   *rws->var("d")=dd;
       }

       data->add(allVars);
       if (dM<5.29 || dM>5.44)
           dataBkg->add(allVars);
   }

   rws->import(*data);
   rws->import(*dataBkg);
   rws->Write("rws");
   out_file->Close();
   in_file->Close();
   tree_file->Close();

   cout << endl << "Done." << endl;
}
예제 #29
0
int main(int argc, char* argv[]){
 
  string fileName;
  string fileNameZee;  
  string fileNameout;
  string outDir;
  int ncats;
  int jcats;
  int bins; 
  string outfilename;
  string logfile;
  bool verbose=false;
  int mhLow;
  int mhHigh;

  po::options_description desc("Allowed options");
  desc.add_options()
    ("help,h",                                                                                  "Show help")
    ("infilename,i", po::value<string>(&fileName)->default_value("CMS-HGG.root"),                                             "In file name")
    ("infilenameZee,I", po::value<string>(&fileNameZee)->default_value("CMS-HGG_DY_fit.root"),                                  "In file name Zee")   
    ("Outfilename,o", po::value<string>(&fileNameout)->default_value("CMS-HGG_finalBkg.root"),                                              "Out file name")
    ("outDir,D", po::value<string>(&outDir)->default_value("plots/FinalBackground"),                      "Out directory for plots")
    ("logfile,l", po::value<string>(&logfile)->default_value("BackgroundFit.log"),                  "log file of fit results")
    ("ncats,c", po::value<int>(&ncats)->default_value(4),                                       "Number of categories")
    ("jcats,j", po::value<int>(&jcats)->default_value(0),                                       "Start number of categories")
    ("mhLow,L", po::value<int>(&mhLow)->default_value(75),                                                                                                                 "Starting point for scan") 
    ("mhHigh,H", po::value<int>(&mhHigh)->default_value(120),                                                                                                               "End point for scan") 
    ("bins,B", po::value<int>(&bins)->default_value(45),                                                                                                                 "Bins for the dataset") 
    ("verbose,v",                                                                               "Run with more output")
  ;
  po::variables_map vm;
  po::store(po::parse_command_line(argc,argv,desc),vm);
  po::notify(vm);
  if (vm.count("help")) { cout << desc << endl; exit(1); }  
  if (vm.count("verbose")) verbose=true;

  if (!verbose) {
    RooMsgService::instance().setGlobalKillBelow(RooFit::ERROR);
    RooMsgService::instance().setSilentMode(true);
  }


  TFile *outputfile;
  outputfile = new TFile(fileNameout.c_str(),"RECREATE");
  RooWorkspace *outputws;  

  ofstream logfile_stream(logfile.c_str());    

  TFile *inFile = TFile::Open(fileName.c_str());
  RooWorkspace *inWS = (RooWorkspace*)inFile->Get("cms_hgg_workspace");
  outputws = (RooWorkspace*)inWS->Clone("cms_hgg_workspace");   

  std::string ext = "8TeV";

  vector<pair<string,int> > funChoice;   // <functionType,order>

  funChoice.push_back(pair<string,int>("Bernstein",4)); //cat0 
  funChoice.push_back(pair<string,int>("Bernstein",5)); //cat1
  funChoice.push_back(pair<string,int>("Bernstein",5)); //cat2
  funChoice.push_back(pair<string,int>("Bernstein",5)); //cat3


  PdfModelBuilder pdfsModel;
  RooRealVar *mass = (RooRealVar*)inWS->var("CMS_hgg_mass");
  pdfsModel.setObsVar(mass);
  //mass->setBins(bins); 
  //mass->setRange(85,110);


  for (int cat=jcats; cat<ncats; cat++){ 

    RooDataSet *data = (RooDataSet*)inWS->data(Form("data_mass_cat%d",cat));
    //RooDataHist thisdataBinned(Form("roohist_data_mass_cat%d",cat),"data",*mass,*dataFull); //FAN Procedure (from an official script)
    //RooDataSet *data = (RooDataSet*)&thisdataBinned; 

    RooAbsPdf *pdfZee;

    TFile *inFileZee = TFile::Open(fileNameZee.c_str()); 
    RooWorkspace *inWS_Zee = (RooWorkspace*)inFileZee->Get("Zpeak");
    
    cout<<endl<<"///////////////////////////////////"<<endl;
    inWS_Zee->Print();
    cout<<"///////////////////////////////////"<<endl<<endl;
   
    pdfZee = inWS_Zee->pdf(Form("hgg_bkg_%s_cat%d_DCB",ext.c_str(),cat));

    cout<<endl<<"///////////////////////////////////"<<endl;
    pdfZee->Print();
    cout<<"///////////////////////////////////"<<endl<<endl;

    //RooAbsPdf *pdfZeeFixed=pdfsModel.floatDoubleCB(pdfZee,data,Form("hgg_bkg_%s_cat%d_DCB",ext.c_str(),cat));
    RooAbsPdf *pdfZeeFixed=pdfsModel.fixDoubleCB(pdfZee,data,Form("hgg_bkg_%s_cat%d_DCB",ext.c_str(),cat));

    RooAbsPdf  *bkgPdf;
    RooAbsPdf  *berComponent;
    RooAbsPdf  *dcbComponent;


    string funcType = funChoice[cat].first;
    int orderOff = funChoice[cat].second; 
    
    bkgPdf = pdfsModel.getFixedDoubleCBplusContinuum(funcType,Form("hgg_bkg_%s_cat%d",ext.c_str(),cat),orderOff,pdfZeeFixed,false).first;
    berComponent = pdfsModel.getFixedDoubleCBplusContinuum(funcType,Form("hgg_bkg_%s_cat%d",ext.c_str(),cat),orderOff,pdfZeeFixed,false).second.first;
    dcbComponent = pdfsModel.getFixedDoubleCBplusContinuum(funcType,Form("hgg_bkg_%s_cat%d",ext.c_str(),cat),orderOff,pdfZeeFixed,false).second.second;

    cout<<endl<<"///////////////////////////////////"<<endl;
    bkgPdf->Print();
    cout<<"///////////////////////////////////"<<endl<<endl;

    cout<<endl<<"///////////////////////////////////"<<endl;
    bkgPdf->getParameters(data)->Print();
    cout<<"///////////////////////////////////"<<endl<<endl;


    int fitStatus = 0; 
    double thisNll=0.;
    runFit(bkgPdf,data,&thisNll,&fitStatus,3,mhLow,mhHigh);
    //RooFitResult *fitRes = bkgPdf->fitTo(*data,Save(true),Range(mhLow,mhHigh));
    //plot(mass,bkgPdf,data,Form("%s/hgg_bkg_%s_cat%d",outDir.c_str(),ext.c_str(),cat),bins,mhLow,mhHigh);

    //print results in log file


    RooArgSet *params = bkgPdf->getParameters(*data);
          float Mean = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_mean",ext.c_str(),cat)))->getValV();
          float MeanErrorL = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_mean",ext.c_str(),cat)))->getErrorLo();
          float MeanErrorH = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_mean",ext.c_str(),cat)))->getErrorHi(); 
          float Sigma = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_sigma",ext.c_str(),cat)))->getValV();
          float SigmaErrorL = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_sigma",ext.c_str(),cat)))->getErrorLo();
          float SigmaErrorH = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_sigma",ext.c_str(),cat)))->getErrorHi();
          float nCB1 = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB1",ext.c_str(),cat)))->getValV();
          float nCB1ErrorL = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB1",ext.c_str(),cat)))->getErrorLo();
          float nCB1ErrorH = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB1",ext.c_str(),cat)))->getErrorHi();
          float nCB2 = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB2",ext.c_str(),cat)))->getValV();
          float nCB2ErrorL = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB2",ext.c_str(),cat)))->getErrorLo();
          float nCB2ErrorH = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB2",ext.c_str(),cat)))->getErrorHi();
          float alphaCB1 = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_alphaCB1",ext.c_str(),cat)))->getValV();
          float alphaCB2 = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_alphaCB2",ext.c_str(),cat)))->getValV();

	   logfile_stream << Form("**************** cat: %d    ***************",cat) <<endl<<"    nEntries     "<<data->sumEntries() << endl << "    Mean:  " << Mean << "   MeanErrorL:  " << MeanErrorL << " MeanErrorH:  "<< MeanErrorH << "  Sigma:  " << Sigma << "  SigmaErrorL:  " << SigmaErrorL << " SigmaErrorH:  " << SigmaErrorH << "    nCB1:  " << nCB1 << "    nCB1ErrorL:   " << nCB1ErrorL << "   nCB1ErrorH:  " << nCB1ErrorH << "   nCB2:  " << nCB2 << "   nCB2ErrorL:  " << nCB2ErrorL << "    nCB2ErrorH:   " << nCB2ErrorH << "    alphaCB1:   " << alphaCB1 << "    alphaCB2:   " << alphaCB2 << endl;

          float frac = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_frac_sum1",ext.c_str(),cat)))->getValV();
          float fracErrorL = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_frac_sum1",ext.c_str(),cat)))->getErrorLo();
          float fracErrorH = ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_frac_sum1",ext.c_str(),cat)))->getErrorHi();

	   logfile_stream <<"    Frac    "<<frac<<"    FracErrorL    "<<fracErrorL<<"    FracErrorH    "<<fracErrorH<<endl;


      for(int i=0;i<orderOff;i++){
          RooRealVar *coeff=(RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_%s_p%i",ext.c_str(),cat,abbr(funcType).c_str(),i));
	  logfile_stream <<Form("     %s_%i:     ",funcType.c_str(),i)<<coeff->getValV()<<Form("     %s_%i ErrorL:     ",funcType.c_str(),i)<<coeff->getErrorLo()<<Form("     %s_%i ErrorH:     ",funcType.c_str(),i)<<coeff->getErrorHi();
	}
       logfile_stream<<endl;

    plot2(mass,bkgPdf,berComponent,dcbComponent,frac,data,Form("%s/hgg_bkg_%s_cat%d",outDir.c_str(),ext.c_str(),cat),bins,mhLow,mhHigh);

    //Let the DCB parameter float within their uncertaincy range in combine ?
  
    ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_mean",ext.c_str(),cat)))->setConstant(false);
    ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_sigma",ext.c_str(),cat)))->setConstant(false);
    ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB1",ext.c_str(),cat)))->setConstant(false);
    ((RooRealVar*)params->find(Form("hgg_bkg_%s_cat%d_DCB_nCB2",ext.c_str(),cat)))->setConstant(false);

    outputws->var(Form("pdf_data_pol_model_8TeV_cat%d_norm",cat))->SetName(Form("hgg_bkg_8TeV_cat%d_DCBplusBernstein_norm",cat));

    outputws->import(*bkgPdf);

    }

    outputfile->cd();
    outputws->Write();
  
    cout<<endl<<"///////////////////////////////////"<<endl;
    //outputws->Print();
    cout<<"///////////////////////////////////"<<endl<<endl;
    
    outputfile->Close();


}
예제 #30
0
int GetBayesianInterval( std::string filename = "workspace.root",
			  std::string wsname = "myWS" ){
  //
  // this function loads a workspace and computes
  // a Bayesian upper limit
  //

  // open file with workspace for reading
  TFile * pInFile = new TFile(filename.c_str(), "read");

  // load workspace
  RooWorkspace * pWs = (RooWorkspace *)pInFile->Get(wsname.c_str());
  if (!pWs){
    std::cout << "workspace " << wsname 
	      << " not found" << std::endl;
    return -1;
  }

  // printout workspace content
  pWs->Print();

  // load and print data from workspace
  RooAbsData * data = pWs->data("data");
  data->Print();
  
  // load and print S+B Model Config
  RooStats::ModelConfig * pSbHypo = (RooStats::ModelConfig *)pWs->obj("SbHypo");
  pSbHypo->Print();

  // create RooStats Bayesian MCMC calculator and set parameters

  // Metropolis-Hastings algorithm needs a proposal function
  RooStats::SequentialProposal sp(10.0);
  
  RooStats::MCMCCalculator mcmc( *data, *pSbHypo );
  mcmc.SetConfidenceLevel(0.95);
  mcmc.SetNumIters(100000);          // Metropolis-Hastings algorithm iterations
  mcmc.SetProposalFunction(sp);
  mcmc.SetNumBurnInSteps(500); // first N steps to be ignored as burn-in
  mcmc.SetLeftSideTailFraction(0.0);
  mcmc.SetNumBins(40); // for plotting only - does not affect limit calculation

      
  // estimate credible interval
  // NOTE: unfortunate notation: the UpperLimit() name refers
  //       to the upper boundary of an interval,
  //       NOT to the upper limit on the parameter of interest
  //       (it just happens to be the same for the one-sided
  //       interval starting at 0)
  RooStats::MCMCInterval * pMcmcInt = mcmc.GetInterval();
  double upper_bound = pMcmcInt->UpperLimit( *pWs->var("xsec") );
  double lower_bound = pMcmcInt->LowerLimit( *pWs->var("xsec") );

  std::cout << "one-sided 95%.C.L. bayesian credible interval for xsec: "
	    << "[" << lower_bound << ", " << upper_bound << "]"
	    << std::endl;

  // make posterior PDF plot for POI
  TCanvas c1("posterior");
  RooStats::MCMCIntervalPlot plot(*pMcmcInt);
  plot.Draw();
  c1.SaveAs("bayesian_mcmc_posterior.pdf");

  // make scatter plots to visualise the Markov chain
  TCanvas c2("xsec_vs_alpha_lumi");
  plot.DrawChainScatter( *pWs->var("xsec"), *pWs->var("alpha_lumi"));
  c2.SaveAs("scatter_mcmc_xsec_vs_alpha_lumi.pdf");

  TCanvas c3("xsec_vs_alpha_efficiency");
  plot.DrawChainScatter( *pWs->var("xsec"), *pWs->var("alpha_efficiency"));
  c3.SaveAs("scatter_mcmc_xsec_vs_alpha_efficiency.pdf");

  TCanvas c4("xsec_vs_alpha_nbkg");
  plot.DrawChainScatter( *pWs->var("xsec"), *pWs->var("alpha_nbkg"));
  c4.SaveAs("scatter_mcmc_xsec_vs_alpha_nbkg.pdf");

  // clean up a little
  delete pMcmcInt;

  return 0;
}