Example #1
0
void reweight_eta_1d(TH1F* weight_eta,TH1F* weight_etao,TH2F*weight_etan,TH2F* weight_eta2o,TH2F* weight_etanr,TH2F*weight_eta2,RooDataSet **dset, RooDataSet *dsetdestination, int numvar){

  if (!(*dset)) return;

  TH1F *hnum = new TH1F("hnum","hnum",n_etabins_forreweighting,etabins_forreweighting);
 TH1F *hden = new TH1F("hden","hden",n_etabins_forreweighting,etabins_forreweighting);
//  TH1F *hnum = new TH1F("hnum","hnum",25,0.,2.5);
//  TH1F *hden = new TH1F("hden","hden",25,0.,2.5);
  hnum->Sumw2();
  hden->Sumw2();

  const char* etaname=Form("rooeta%d",numvar);

  for (int i=0; i<(*dset)->numEntries(); i++){
    hden->Fill(fabs((*dset)->get(i)->getRealValue(etaname)),(*dset)->store()->weight(i));
  }
  for (int i=0; i<dsetdestination->numEntries(); i++){
    hnum->Fill(fabs(dsetdestination->get(i)->getRealValue(etaname)),dsetdestination->store()->weight(i));
  }
  hnum->Scale(1.0/hnum->Integral());
  hden->Scale(1.0/hden->Integral());

  hnum->Divide(hden);
  TH1F *h = hnum;

  RooDataSet *newdset = new RooDataSet(**dset,Form("%s_etarew",(*dset)->GetName()));
  newdset->reset();
  for (int i=0; i<(*dset)->numEntries(); i++){
    RooArgSet args = *((*dset)->get(i));
    float oldw = (*dset)->store()->weight(i);
    float eta = args.getRealValue(etaname);
    float neww = oldw*h->GetBinContent(h->FindBin(fabs(eta)));
    if(debug){ 
		weight_eta->Fill(neww);	
		weight_etao->Fill(oldw);
		weight_etan->Fill(h->FindBin(fabs(eta)),neww);	
		weight_eta2o->Fill(h->FindBin(fabs(eta)),oldw);
		if(oldw!=0 && neww!=0)weight_etanr->Fill(h->FindBin(fabs(eta)),oldw/neww);
		else {weight_etanr->Fill(-10,1);}
	   // weight_pt2->Fill(pt,neww/oldw);
	   if(oldw!=0 && neww!=0)weight_eta2->Fill(fabs(eta),oldw/neww);
	   else {weight_eta2->Fill(-10,1);}
	}  
	  newdset->add(args,neww);
	  
	  }


  newdset->SetName((*dset)->GetName());
  newdset->SetTitle((*dset)->GetTitle());
  delete hnum; delete hden;

  RooDataSet *old_dset = *dset;
  *dset=newdset;
  std::cout << "Eta 1d rew: norm from " << old_dset->sumEntries() << " to " << newdset->sumEntries() << std::endl;

  delete old_dset;

};
Example #2
0
void reweight_diphotonpt_1d(TH1F*weight_diphopt,TH1F*weight_diphopto,TH2F*weight_diphoptn,TH2F*weight_diphopt2o,TH2F*weight_diphoptnr, TH2F* weight_diphopt2,RooDataSet **dset, RooDataSet *dsetdestination){

  if (!(*dset)) return;
  if (!(dsetdestination)) return;
///numerator and denominator
  TH1F *hnum = new TH1F("hnum","hnum",n_diphoptbins_forreweighting,diphoptbins_forreweighting);
  TH1F *hden = new TH1F("hden","hden",n_diphoptbins_forreweighting,diphoptbins_forreweighting);
  hnum->Sumw2();
  hden->Sumw2();

     
// RooAbsData->get*() Load a given row of data

 //getRealValue Get value of a RooAbsReal stored in set with given name. If none is found, value of defVal is returned.
 for (int i=0; i<(*dset)->numEntries(); i++){
      hden->Fill(fabs((*dset)->get(i)->getRealValue("roodiphopt")),(*dset)->store()->weight(i));
  }
  for (int i=0; i<dsetdestination->numEntries(); i++){
    hnum->Fill(fabs(dsetdestination->get(i)->getRealValue("roodiphopt")),dsetdestination->store()->weight(i));
  }
 //normalize to one 
  hnum->Scale(1.0/hnum->Integral());
  hden->Scale(1.0/hden->Integral());
  hnum->Divide(hden);
  TH1F *h = hnum;
  RooDataSet *newdset = new RooDataSet(**dset,Form("%s_diphoptrew",(*dset)->GetName()));
  newdset->reset();
  assert(newdset);
  for (int i=0; i<(*dset)->numEntries(); i++){
    RooArgSet args = *((*dset)->get(i));
    float oldw = (*dset)->store()->weight(i);
    float diphopt = fabs((*dset)->get(i)->getRealValue("roodiphopt"));
    float neww = oldw*h->GetBinContent(h->FindBin(fabs(diphopt)));
    newdset->add(args,neww);
    if(debug){
		weight_diphopt->Fill(neww);
		weight_diphopto->Fill(oldw);
		weight_diphopt2o->Fill((h->FindBin(fabs(diphopt))),oldw);	
		weight_diphoptn->Fill((h->FindBin(fabs(diphopt))),neww);	
		if(oldw!=0)weight_diphoptnr->Fill(h->FindBin(fabs(diphopt)),oldw/neww);
		else {weight_diphoptnr->Fill(-10,1);}//cout << "dipho weight old 0" << endl;}
		if(oldw!=0)weight_diphopt2->Fill(diphopt,oldw/neww);
		else {weight_diphopt2->Fill(-10,1);}//cout << "dipho weight old 0" << endl;}
	 }
		}

  newdset->SetName((*dset)->GetName());
  newdset->SetTitle((*dset)->GetTitle());
  delete hnum; delete hden;
 
  RooDataSet *old_dset = *dset;
  *dset=newdset;
  std::cout << "Diphoton Pt 1d rew: norm from " << old_dset->sumEntries() << " to " << newdset->sumEntries() << std::endl;

  delete old_dset;

};
Example #3
0
//2d reweighting of rho and its sigma
void reweight_rhosigma(TH1F* weight_rho, TH1F* weight_rhoo,TH2F*weight_rhon,TH2F*weight_rho2o,TH2F* weight_rhonr, TH2F* weight_rho2,TH2F*weight_sigman,TH2F*weight_sigma2o,TH2F* weight_sigmanr, TH2F* weight_sigma2,RooDataSet **dset, RooDataSet *dsetdestination, bool deleteold){
  if (!(*dset)) return;
//  TH2F *hnum = new TH2F("hnum","hnum",n_rhobins_forreweighting,rhobins_forreweighting,n_sigmabins_forreweighting,sigmabins_forreweighting);
//  TH2F *hden = new TH2F("hden","hden",n_rhobins_forreweighting,rhobins_forreweighting,n_sigmabins_forreweighting,sigmabins_forreweighting);
  TH2F *hnum = new TH2F("hnum","hnum",100,0,100,20,0,20);
  TH2F *hden = new TH2F("hden","hden",100,0,100,20,0,20);
  hnum->Sumw2();
  hden->Sumw2();
  for (int i=0; i<(*dset)->numEntries(); i++){
    hden->Fill(fabs((*dset)->get(i)->getRealValue("roorho")),fabs((*dset)->get(i)->getRealValue("roosigma")),(*dset)->store()->weight(i));
  }
  for (int i=0; i<dsetdestination->numEntries(); i++){
    hnum->Fill(fabs(dsetdestination->get(i)->getRealValue("roorho")),fabs(dsetdestination->get(i)->getRealValue("roosigma")),dsetdestination->store()->weight(i));
  }

  hnum->Scale(1.0/hnum->Integral());
  hden->Scale(1.0/hden->Integral());
//data/MC
  hnum->Divide(hden);
  TH2F *h = hnum;

  RooDataSet *newdset = new RooDataSet(**dset,Form("%s_rhosigmarew",(*dset)->GetName()));
  newdset->reset();
  for (int i=0; i<(*dset)->numEntries(); i++){
    RooArgSet args = *((*dset)->get(i));
    float oldw = (*dset)->store()->weight(i);
    float rho = args.getRealValue("roorho");
    float sigma = args.getRealValue("roosigma");
    float neww = oldw*h->GetBinContent(h->FindBin(rho,sigma));
	if(debug){
		weight_rho->Fill(neww);
		weight_rhoo->Fill(oldw);
		weight_rho2o->Fill(h->GetXaxis()->FindBin(rho),oldw);	
		weight_rhon->Fill(h->GetXaxis()->FindBin(rho),neww);	
		if(oldw!=0)weight_rhonr->Fill(h->GetXaxis()->FindBin(rho),oldw/neww);
		else {weight_rhonr->Fill(-10,1);}//cout << "dipho weight old 0" << endl;}
		if(oldw!=0)weight_rho2->Fill(rho,oldw/neww);
		weight_sigma2o->Fill(h->GetYaxis()->FindBin(sigma),oldw);	
		weight_sigman->Fill(h->GetYaxis()->FindBin(sigma),neww);	
		if(oldw!=0)weight_sigmanr->Fill(h->GetYaxis()->FindBin(sigma),oldw/neww);
		else {weight_sigmanr->Fill(-10,1);}//cout << "dipho weight old 0" << endl;}
		if(oldw!=0)weight_sigma2->Fill(sigma,oldw/neww);
	}
		newdset->add(args,neww);
	  }
	  newdset->SetName((*dset)->GetName());
	  newdset->SetTitle((*dset)->GetTitle());
	  delete hnum; delete hden;
	  RooDataSet *old_dset = *dset;
	  *dset=newdset;
	  std::cout << "RhoSigma2D rew: norm from " << old_dset->sumEntries() << " to " << newdset->sumEntries() << std::endl;
	  if (deleteold) delete old_dset;
	};
void FitterUtilsSimultaneousExpOfPolyTimesX::generate(bool wantPlots, string plotsfile)
{
   FitterUtilsExpOfPolyTimesX::generate(wantPlots, plotsfile);
   TFile fw(workspacename.c_str(), "UPDATE");
   RooWorkspace* workspace = (RooWorkspace*)fw.Get("workspace");

   RooRealVar *B_plus_M = workspace->var("B_plus_M");
   RooRealVar *misPT = workspace->var("misPT");
   RooDataSet* dataSetCombExt = (RooDataSet*)workspace->data("dataSetCombExt");
   RooDataSet* dataSetComb = (RooDataSet*)workspace->data("dataSetComb");
//   RooRealVar *l1KeeGen = workspace->var("l1KeeGen");  
//   RooRealVar *l2KeeGen = workspace->var("l2KeeGen");  
//   RooRealVar *l3KeeGen = workspace->var("l3KeeGen");  
//   RooRealVar *l4KeeGen = workspace->var("l4KeeGen");  
//   RooRealVar *l5KeeGen = workspace->var("l5KeeGen");  
//
//
//   RooExpOfPolyTimesX kemuPDF("kemuPDF", "kemuPDF",  *B_plus_M, *misPT,  *l1KeeGen, *l2KeeGen, *l3KeeGen, *l4KeeGen, *l5KeeGen);
//
//   RooAbsPdf::GenSpec* GenSpecKemu = kemuPDF.prepareMultiGen(RooArgSet(*B_plus_M, *misPT), RooFit::Extended(1), NumEvents(nGenKemu));
//
//   cout<<"Generating Kemu"<<endl;
//   RooDataSet* dataGenKemu = kemuPDF.generate(*GenSpecKemu);//(argset, 100, false, true, "", false, true);
//   dataGenKemu->SetName("dataGenKemu"); dataGenKemu->SetTitle("dataGenKemu");
//
//
//   RooWorkspace* workspaceGen = (RooWorkspace*)fw.Get("workspaceGen");
//   workspaceGen->import(*dataGenKemu);
//
//   workspaceGen->Write("", TObject::kOverwrite);
//   fw.Close();
//   delete dataGenKemu;
//   delete GenSpecKemu;


   TVectorD rho(2);
   rho[0] = 2.5;
   rho[1] = 1.5;
   misPT->setRange(-2000, 5000);
   RooNDKeysPdf kemuPDF("kemuPDF", "kemuPDF", RooArgList(*B_plus_M, *misPT), *dataSetCombExt, rho, "ma",3, true);
   misPT->setRange(0, 5000);


   RooAbsPdf::GenSpec* GenSpecKemu = kemuPDF.prepareMultiGen(RooArgSet(*B_plus_M, *misPT), RooFit::Extended(1), NumEvents(nGenKemu));

   cout<<"Generating Kemu"<<endl;
   RooDataSet* dataGenKemu = kemuPDF.generate(*GenSpecKemu);//(argset, 100, false, true, "", false, true);
   dataGenKemu->SetName("dataGenKemu"); dataGenKemu->SetTitle("dataGenKemu");


   RooWorkspace* workspaceGen = (RooWorkspace*)fw.Get("workspaceGen");
   workspaceGen->import(*dataGenKemu);

   if(wantPlots) PlotShape(*dataSetComb, *dataGenKemu, kemuPDF, plotsfile, "cKemuKeys", *B_plus_M, *misPT);

   fw.cd();
   workspaceGen->Write("", TObject::kOverwrite);
   fw.Close();
   delete dataGenKemu;
   delete GenSpecKemu;
}
Example #5
0
void FitterUtils::generate()
{
   //***************Get the PDFs from the workspace

   TFile fw(workspacename.c_str(), "UPDATE");   
   RooWorkspace* workspace = (RooWorkspace*)fw.Get("workspace");
   RooRealVar *B_plus_M = workspace->var("B_plus_M");
   RooRealVar *misPT = workspace->var("misPT");
   RooRealVar *T = workspace->var("T");
   RooRealVar *n = workspace->var("n");
   RooRealVar *expoConst = workspace->var("expoConst");
   RooRealVar *trueExp = workspace->var("trueExp");
   RooRealVar *fractionalErrorJpsiLeak = workspace->var("fractionalErrorJpsiLeak");

   cout<<"VALUE OF T IN GENERATE: "<<T->getVal()<<" +- "<<T->getError()<<endl;
   cout<<"VALUE OF n IN GENERATE: "<<n->getVal()<<" +- "<<n->getError()<<endl;

   RooHistPdf *histPdfSignalZeroGamma = (RooHistPdf *) workspace->pdf("histPdfSignalZeroGamma");
   RooHistPdf *histPdfSignalOneGamma = (RooHistPdf *) workspace->pdf("histPdfSignalOneGamma");
   RooHistPdf *histPdfSignalTwoGamma = (RooHistPdf *) workspace->pdf("histPdfSignalTwoGamma");
   RooHistPdf *histPdfPartReco = (RooHistPdf *) workspace->pdf("histPdfPartReco");
   RooHistPdf *histPdfJpsiLeak(0);
   if(nGenJpsiLeak>1) histPdfJpsiLeak = (RooHistPdf *) workspace->pdf("histPdfJpsiLeak");


   RooAbsPdf *combPDF;

   if (fit2D)
   {  
      combPDF =  new RooPTMVis("combPDF", "combPDF", *misPT, *B_plus_M, *T, *n, *expoConst);
   }
   else
   {
      combPDF =  new RooExponential("combPDF", "combPDF", *B_plus_M, *expoConst);
   }

   double trueExpConst(trueExp->getValV());
   expoConst->setVal(trueExpConst);


   //***************Prepare generation

   int nGenSignalZeroGamma(floor(nGenFracZeroGamma*nGenSignal));
   int nGenSignalOneGamma(floor(nGenFracOneGamma*nGenSignal));
   int nGenSignalTwoGamma(floor(nGenSignal-nGenSignalZeroGamma-nGenSignalOneGamma));


   RooArgSet argset2(*B_plus_M);
   if (fit2D) argset2.add(*misPT);

   cout<<"Preparing the generation of events 1";

   RooRandom::randomGenerator()->SetSeed();
   RooAbsPdf::GenSpec* GenSpecSignalZeroGamma = histPdfSignalZeroGamma->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenSignalZeroGamma)); cout<<" 2 ";
   RooAbsPdf::GenSpec* GenSpecSignalOneGamma = histPdfSignalOneGamma->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenSignalOneGamma)); cout<<" 3 ";
   RooAbsPdf::GenSpec* GenSpecSignalTwoGamma = histPdfSignalTwoGamma->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenSignalTwoGamma)); cout<<" 4 ";
   RooAbsPdf::GenSpec* GenSpecPartReco =  histPdfPartReco->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenPartReco)); cout<<" 5 "<<endl;
   RooAbsPdf::GenSpec* GenSpecComb = combPDF->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenComb));
   RooAbsPdf::GenSpec* GenSpecJpsiLeak(0);
   if(nGenJpsiLeak>1) GenSpecJpsiLeak = histPdfJpsiLeak->prepareMultiGen(argset2, RooFit::Extended(1), NumEvents(nGenJpsiLeak));


   cout<<"Variable loaded:"<<endl;
   B_plus_M->Print(); expoConst->Print(); //B_plus_DTFM_M_zero->Print();
   if (fit2D) misPT->Print(); 


   //***************Generate some datasets

   cout<<"Generating signal Zero Photon"<<endl;
   RooDataSet* dataGenSignalZeroGamma = histPdfSignalZeroGamma->generate(*GenSpecSignalZeroGamma);//(argset, 250, false, true, "", false, true);
   dataGenSignalZeroGamma->SetName("dataGenSignalZeroGamma"); dataGenSignalZeroGamma->SetTitle("dataGenSignalZeroGamma");
   cout<<"Generating signal One Photon"<<endl;
   RooDataSet* dataGenSignalOneGamma = histPdfSignalOneGamma->generate(*GenSpecSignalOneGamma);//(argset, 250, false, true, "", false, true);
   dataGenSignalOneGamma->SetName("dataGenSignalOneGamma"); dataGenSignalOneGamma->SetTitle("dataGenSignalOneGamma");
   cout<<"Generating signal two Photons"<<endl;
   RooDataSet* dataGenSignalTwoGamma = histPdfSignalTwoGamma->generate(*GenSpecSignalTwoGamma);//(argset, 250, false, true, "", false, true);
   dataGenSignalTwoGamma->SetName("dataGenSignalTwoGamma"); dataGenSignalTwoGamma->SetTitle("dataGenSignalTwoGamma");
   cout<<"Generating combinatorial"<<endl;
   RooDataSet* dataGenComb = combPDF->generate(*GenSpecComb);//(argset, 100, false, true, "", false, true);
   dataGenComb->SetName("dataGenComb"); dataGenComb->SetTitle("dataGenComb");
   cout<<"Generating PartReco"<<endl;
   RooDataSet* dataGenPartReco = histPdfPartReco->generate(*GenSpecPartReco);//argset, 160, false, true, "", false, true);
   dataGenPartReco->SetName("dataGenPartReco"); dataGenPartReco->SetTitle("dataGenPartReco");
   RooDataSet* dataGenJpsiLeak(0);
   if(nGenJpsiLeak>1)
   {
      cout<<"Generating Leaking JPsi"<<endl;
      dataGenJpsiLeak = histPdfJpsiLeak->generate(*GenSpecJpsiLeak);//argset, 160, false, true, "", false, true);
      dataGenJpsiLeak->SetName("dataGenJpsiLeak"); dataGenJpsiLeak->SetTitle("dataGenJpsiLeak");
   }

   //*************Saving the generated datasets in a workspace

   RooWorkspace workspaceGen("workspaceGen", "workspaceGen");

   workspaceGen.import(*dataGenSignalZeroGamma);
   workspaceGen.import(*dataGenSignalOneGamma);
   workspaceGen.import(*dataGenSignalTwoGamma);
   workspaceGen.import(*dataGenComb);
   workspaceGen.import(*dataGenPartReco);
   if(nGenJpsiLeak>1) workspaceGen.import(*dataGenJpsiLeak);
    
   
   workspaceGen.Write("", TObject::kOverwrite);


   //delete workspace;
   fw.Close();


   delete dataGenSignalZeroGamma;
   delete dataGenSignalOneGamma;
   delete dataGenSignalTwoGamma;
   delete dataGenComb;
   delete dataGenPartReco;
   if(nGenJpsiLeak>1) delete dataGenJpsiLeak;

   delete GenSpecSignalZeroGamma;
   delete GenSpecSignalOneGamma;
   delete GenSpecSignalTwoGamma;
   delete GenSpecComb;
   delete GenSpecPartReco;
   delete combPDF;
   if(nGenJpsiLeak>1) delete GenSpecJpsiLeak;

   delete histPdfSignalZeroGamma; 
   delete histPdfSignalOneGamma;
   delete histPdfSignalTwoGamma;
   delete histPdfPartReco;
   if(nGenJpsiLeak>1) delete histPdfJpsiLeak;


}