/** \brief Evaluate the reduced likelihood function at x * * If the minimizer was not the NULL-pointer, a new minimization is done * setting the parameter to x and minimizing the nll w.r.t. all other parameters, ignoring * the parameter values at the minimum. * * Otherwise, the parameter values at the minimum are used, just the parameter of interest is set to x. */ double operator()(double x) const{ if(min){ start.set(pid, x); ranges[pid].first = ranges[pid].second = x; theta::MinimizationResult minres = min->minimize(nll, start, step, ranges); return minres.fval - offset_nll; } pars_at_min.set(pid, x); return nll(pars_at_min) - offset_nll; }
Type objective_function<Type>::operator() () { DATA_VECTOR(Y); DATA_VECTOR(x); PARAMETER(a); PARAMETER(b); PARAMETER(logSigma); parallel_accumulator<Type> nll(this); for(int i=0;i<x.size();i++)nll-=dnorm(Y[i],a+b*x[i],exp(logSigma),true); return nll; }
RooWorkspace* makeInvertedANFit(TTree* tree, float forceSigma=-1, bool constrainMu=false, float forceMu=-1) { RooWorkspace *ws = new RooWorkspace("ws",""); std::vector< TString (*)(TString, RooRealVar&, RooWorkspace&) > bkgPdfList; bkgPdfList.push_back(makeSingleExp); bkgPdfList.push_back(makeDoubleExp); #if DEBUG==0 //bkgPdfList.push_back(makeTripleExp); bkgPdfList.push_back(makeModExp); bkgPdfList.push_back(makeSinglePow); bkgPdfList.push_back(makeDoublePow); bkgPdfList.push_back(makePoly2); bkgPdfList.push_back(makePoly3); #endif RooRealVar mgg("mgg","m_{#gamma#gamma}",103,160,"GeV"); mgg.setBins(38); mgg.setRange("sideband_low", 103,120); mgg.setRange("sideband_high",131,160); mgg.setRange("signal",120,131); RooRealVar MR("MR","",0,3000,"GeV"); MR.setBins(60); RooRealVar Rsq("t1Rsq","",0,1,"GeV"); Rsq.setBins(20); RooRealVar hem1_M("hem1_M","",-1,2000,"GeV"); hem1_M.setBins(40); RooRealVar hem2_M("hem2_M","",-1,2000,"GeV"); hem2_M.setBins(40); RooRealVar ptgg("ptgg","p_{T}^{#gamma#gamma}",0,500,"GeV"); ptgg.setBins(50); RooDataSet data("data","",tree,RooArgSet(mgg,MR,Rsq,hem1_M,hem2_M,ptgg)); RooDataSet* blind_data = (RooDataSet*)data.reduce("mgg<121 || mgg>130"); std::vector<TString> tags; //fit many different background models for(auto func = bkgPdfList.begin(); func != bkgPdfList.end(); func++) { TString tag = (*func)("bonly",mgg,*ws); tags.push_back(tag); ws->pdf("bonly_"+tag+"_ext")->fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE),RooFit::Range("sideband_low,sideband_high")); RooFitResult* bres = ws->pdf("bonly_"+tag+"_ext")->fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE),RooFit::Range("sideband_low,sideband_high")); bres->SetName(tag+"_bonly_fitres"); ws->import(*bres); //make blinded fit RooPlot *fmgg_b = mgg.frame(); blind_data->plotOn(fmgg_b,RooFit::Range("sideband_low,sideband_high")); TBox blindBox(121,fmgg_b->GetMinimum()-(fmgg_b->GetMaximum()-fmgg_b->GetMinimum())*0.015,130,fmgg_b->GetMaximum()); blindBox.SetFillColor(kGray); fmgg_b->addObject(&blindBox); ws->pdf("bonly_"+tag+"_ext")->plotOn(fmgg_b,RooFit::LineColor(kRed),RooFit::Range("Full"),RooFit::NormRange("sideband_low,sideband_high")); fmgg_b->SetName(tag+"_blinded_frame"); ws->import(*fmgg_b); delete fmgg_b; //set all the parameters constant RooArgSet* vars = ws->pdf("bonly_"+tag)->getVariables(); RooFIter iter = vars->fwdIterator(); RooAbsArg* a; while( (a = iter.next()) ){ if(string(a->GetName()).compare("mgg")==0) continue; static_cast<RooRealVar*>(a)->setConstant(kTRUE); } //make the background portion of the s+b fit (*func)("b",mgg,*ws); RooRealVar sigma(tag+"_s_sigma","",5,0,100); if(forceSigma!=-1) { sigma.setVal(forceSigma); sigma.setConstant(true); } RooRealVar mu(tag+"_s_mu","",126,120,132); if(forceMu!=-1) { mu.setVal(forceMu); mu.setConstant(true); } RooGaussian sig(tag+"_sig_model","",mgg,mu,sigma); RooRealVar Nsig(tag+"_sb_Ns","",5,0,100); RooRealVar Nbkg(tag+"_sb_Nb","",100,0,100000); RooRealVar HiggsMass("HiggsMass","",125.1); RooRealVar HiggsMassError("HiggsMassError","",0.24); RooGaussian HiggsMassConstraint("HiggsMassConstraint","",mu,HiggsMass,HiggsMassError); RooAddPdf fitModel(tag+"_sb_model","",RooArgList( *ws->pdf("b_"+tag), sig ),RooArgList(Nbkg,Nsig)); RooFitResult* sbres; RooAbsReal* nll; if(constrainMu) { fitModel.fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); sbres = fitModel.fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); nll = fitModel.createNLL(data,RooFit::NumCPU(4),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); } else { fitModel.fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE)); sbres = fitModel.fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE)); nll = fitModel.createNLL(data,RooFit::NumCPU(4),RooFit::Extended(kTRUE)); } sbres->SetName(tag+"_sb_fitres"); ws->import(*sbres); ws->import(fitModel); RooPlot *fmgg = mgg.frame(); data.plotOn(fmgg); fitModel.plotOn(fmgg); ws->pdf("b_"+tag+"_ext")->plotOn(fmgg,RooFit::LineColor(kRed),RooFit::Range("Full"),RooFit::NormRange("Full")); fmgg->SetName(tag+"_frame"); ws->import(*fmgg); delete fmgg; RooMinuit(*nll).migrad(); RooPlot *fNs = Nsig.frame(0,25); fNs->SetName(tag+"_Nsig_pll"); RooAbsReal *pll = nll->createProfile(Nsig); //nll->plotOn(fNs,RooFit::ShiftToZero(),RooFit::LineColor(kRed)); pll->plotOn(fNs); ws->import(*fNs); delete fNs; RooPlot *fmu = mu.frame(125,132); fmu->SetName(tag+"_mu_pll"); RooAbsReal *pll_mu = nll->createProfile(mu); pll_mu->plotOn(fmu); ws->import(*fmu); delete fmu; } RooArgSet weights("weights"); RooArgSet pdfs_bonly("pdfs_bonly"); RooArgSet pdfs_b("pdfs_b"); RooRealVar minAIC("minAIC","",1E10); //compute AIC stuff for(auto t = tags.begin(); t!=tags.end(); t++) { RooAbsPdf *p_bonly = ws->pdf("bonly_"+*t); RooAbsPdf *p_b = ws->pdf("b_"+*t); RooFitResult *sb = (RooFitResult*)ws->obj(*t+"_bonly_fitres"); RooRealVar k(*t+"_b_k","",p_bonly->getParameters(RooArgSet(mgg))->getSize()); RooRealVar nll(*t+"_b_minNll","",sb->minNll()); RooRealVar Npts(*t+"_b_N","",blind_data->sumEntries()); RooFormulaVar AIC(*t+"_b_AIC","2*@0+2*@1+2*@1*(@1+1)/(@2-@1-1)",RooArgSet(nll,k,Npts)); ws->import(AIC); if(AIC.getVal() < minAIC.getVal()) { minAIC.setVal(AIC.getVal()); } //aicExpSum+=TMath::Exp(-0.5*AIC.getVal()); //we will need this precomputed for the next step pdfs_bonly.add(*p_bonly); pdfs_b.add(*p_b); } ws->import(minAIC); //compute the AIC weight float aicExpSum=0; for(auto t = tags.begin(); t!=tags.end(); t++) { RooFormulaVar *AIC = (RooFormulaVar*)ws->obj(*t+"_b_AIC"); aicExpSum+=TMath::Exp(-0.5*(AIC->getVal()-minAIC.getVal())); //we will need this precomputed for the next step } std::cout << "aicExpSum: " << aicExpSum << std::endl; for(auto t = tags.begin(); t!=tags.end(); t++) { RooFormulaVar *AIC = (RooFormulaVar*)ws->obj(*t+"_b_AIC"); RooRealVar *AICw = new RooRealVar(*t+"_b_AICWeight","",TMath::Exp(-0.5*(AIC->getVal()-minAIC.getVal()))/aicExpSum); if( TMath::IsNaN(AICw->getVal()) ) {AICw->setVal(0);} ws->import(*AICw); std::cout << *t << ": " << AIC->getVal()-minAIC.getVal() << " " << AICw->getVal() << std::endl; weights.add(*AICw); } RooAddPdf bonly_AIC("bonly_AIC","",pdfs_bonly,weights); RooAddPdf b_AIC("b_AIC","",pdfs_b,weights); //b_AIC.fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE),RooFit::Range("sideband_low,sideband_high")); //RooFitResult* bres = b_AIC.fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE),RooFit::Range("sideband_low,sideband_high")); //bres->SetName("AIC_b_fitres"); //ws->import(*bres); //make blinded fit RooPlot *fmgg_b = mgg.frame(RooFit::Range("sideband_low,sideband_high")); blind_data->plotOn(fmgg_b,RooFit::Range("sideband_low,sideband_high")); TBox blindBox(121,fmgg_b->GetMinimum()-(fmgg_b->GetMaximum()-fmgg_b->GetMinimum())*0.015,130,fmgg_b->GetMaximum()); blindBox.SetFillColor(kGray); fmgg_b->addObject(&blindBox); bonly_AIC.plotOn(fmgg_b,RooFit::LineColor(kRed),RooFit::Range("Full"),RooFit::NormRange("sideband_low,sideband_high")); fmgg_b->SetName("AIC_blinded_frame"); ws->import(*fmgg_b); delete fmgg_b; #if 1 RooRealVar sigma("AIC_s_sigma","",5,0,100); if(forceSigma!=-1) { sigma.setVal(forceSigma); sigma.setConstant(true); } RooRealVar mu("AIC_s_mu","",126,120,132); if(forceMu!=-1) { mu.setVal(forceMu); mu.setConstant(true); } RooGaussian sig("AIC_sig_model","",mgg,mu,sigma); RooRealVar Nsig("AIC_sb_Ns","",5,0,100); RooRealVar Nbkg("AIC_sb_Nb","",100,0,100000); RooRealVar HiggsMass("HiggsMass","",125.1); RooRealVar HiggsMassError("HiggsMassError","",0.24); RooGaussian HiggsMassConstraint("HiggsMassConstraint","",mu,HiggsMass,HiggsMassError); RooAddPdf fitModel("AIC_sb_model","",RooArgList( b_AIC, sig ),RooArgList(Nbkg,Nsig)); RooFitResult* sbres; RooAbsReal *nll; if(constrainMu) { fitModel.fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); sbres = fitModel.fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); nll = fitModel.createNLL(data,RooFit::NumCPU(4),RooFit::Extended(kTRUE),RooFit::ExternalConstraints(RooArgSet(HiggsMassConstraint))); } else { fitModel.fitTo(data,RooFit::Strategy(0),RooFit::Extended(kTRUE)); sbres = fitModel.fitTo(data,RooFit::Strategy(2),RooFit::Save(kTRUE),RooFit::Extended(kTRUE)); nll = fitModel.createNLL(data,RooFit::NumCPU(4),RooFit::Extended(kTRUE)); } assert(nll!=0); sbres->SetName("AIC_sb_fitres"); ws->import(*sbres); ws->import(fitModel); RooPlot *fmgg = mgg.frame(); data.plotOn(fmgg); fitModel.plotOn(fmgg); ws->pdf("b_AIC")->plotOn(fmgg,RooFit::LineColor(kRed),RooFit::Range("Full"),RooFit::NormRange("Full")); fmgg->SetName("AIC_frame"); ws->import(*fmgg); delete fmgg; RooMinuit(*nll).migrad(); RooPlot *fNs = Nsig.frame(0,25); fNs->SetName("AIC_Nsig_pll"); RooAbsReal *pll = nll->createProfile(Nsig); //nll->plotOn(fNs,RooFit::ShiftToZero(),RooFit::LineColor(kRed)); pll->plotOn(fNs); ws->import(*fNs); delete fNs; RooPlot *fmu = mu.frame(125,132); fmu->SetName("AIC_mu_pll"); RooAbsReal *pll_mu = nll->createProfile(mu); pll_mu->plotOn(fmu); ws->import(*fmu); delete fmu; std::cout << "min AIC: " << minAIC.getVal() << std::endl; for(auto t = tags.begin(); t!=tags.end(); t++) { RooFormulaVar *AIC = (RooFormulaVar*)ws->obj(*t+"_b_AIC"); RooRealVar *AICw = ws->var(*t+"_b_AICWeight"); RooRealVar* k = ws->var(*t+"_b_k"); printf("%s & %0.0f & %0.2f & %0.2f \\\\\n",t->Data(),k->getVal(),AIC->getVal()-minAIC.getVal(),AICw->getVal()); //std::cout << k->getVal() << " " << AIC->getVal()-minAIC.getVal() << " " << AICw->getVal() << std::endl; } #endif return ws; }
//end function - returns a tree_iterator pointing to a nullptr tree_iterator parse_tree::end(void) const { tree_iterator nll(nullptr); return nll; }
void roo_fitWH() { TString poscharge = "Plus"; TString negcharge = "Minus"; std::vector<TString> charge(2); charge.at(0) = poscharge; charge.at(1) = negcharge; TString canvas_name_plus = "muon_MC_WHelicityFramePlots_PlusICVar"; TCanvas *c0 = new TCanvas(canvas_name_plus,"",450,400); TString canvas_name_minus = "muon_MC_WHelicityFramePlots_MinusICVar"; TCanvas *c1 = new TCanvas(canvas_name_minus,"",450,400); // Run both for + and - charges for(unsigned int j=0; j<charge.size(); j++) { // if (j==1) break; // do only + charge fit if (realData) { sfactor=36; } // Nominal values are taken from a fit to the MC W data (scaled to 100pb-1) RooRealVar *fLnom, *fRnom, *f0nom; if (j==0) { fLnom=new RooRealVar("fL_nom","fLnom",0.556); fRnom=new RooRealVar("fR_nom","fRnom",0.234); f0nom=new RooRealVar("f0_nom","f0nom",0.210); } else { fLnom=new RooRealVar("fL_nom","fLnom",0.523); fRnom=new RooRealVar("fR_nom","fRnom",0.265); f0nom=new RooRealVar("f0_nom","f0nom",0.212); } TString Hist1 = "RECO_PolPlots_50toinf/RECO_ICVarPF"+ charge.at(j) + "_LH"; TString Hist2 = "RECO_PolPlots_50toinf/RECO_ICVarPF"+ charge.at(j) + "_RH"; TString Hist3 = "RECO_PolPlots_50toinf/RECO_ICVarPF"+ charge.at(j) + "_LO"; TString Hist_data1 = "RECO_PolPlots_50toinf/RECO_ICVarPF"+ charge.at(j); TH1D *mc1 = (TH1D*)sigfile->Get(Hist1); TH1D *mc2 = (TH1D*)sigfile->Get(Hist2); TH1D *mc3 = (TH1D*)sigfile->Get(Hist3); TH1D *sighist = (TH1D*)sigfile->Get(Hist_data1); // W signal histogram TH1D *bkghist=(TH1D*)bkgfile->Get(Hist_data1); // Bkg histogram TH1D *hdata=(TH1D*)datafile->Get(Hist_data1); // Real data histogram // //we are only fitting for fL and fR // double accFactor1 = refTempHist1->Integral() / mc1->Integral(); // double accFactor2 = refTempHist2->Integral() / mc2->Integral(); // double accFactor3 = refTempHist3->Integral() / mc3->Integral(); // double normFactor = (mc1->Integral() + mc2->Integral() + mc3->Integral()) / (refTempHist1->Integral() + refTempHist2->Integral() + refTempHist3->Integral()); mc1->Rebin(rbin); mc2->Rebin(rbin); mc3->Rebin(rbin); sighist->Rebin(rbin); bkghist->Rebin(rbin); hdata->Rebin(rbin); // Scale to sfactor/pb if MC //if (!realData) { if (toyMC) sfactor=400; sighist->Scale(sfactor); bkghist->Scale(sfactor); // } //datahist->Scale(invWeightW);//to get MC errors - otherwise comment out Double_t nbkg=0; TH1D *datahist; if (realData) { datahist=hdata; } else { datahist=(TH1D*)sighist->Clone(); if (addbkg) {datahist->Add(bkghist); } } if (addbkg) { //nbkg=bkghist->Integral(); nbkg=bkghist->Integral(bkghist->FindBin(xmin+quanta),bkghist->FindBin(xmax-quanta)); } //Double_t istat=datahist->Integral(); //Double_t f_sig=(sighist->Integral())/istat; // signal fraction Double_t istat=datahist->Integral(datahist->FindBin(xmin+quanta),datahist->FindBin(xmax-quanta)); Double_t f_sig=(sighist->Integral(sighist->FindBin(xmin+quanta),sighist->FindBin(xmax-quanta)))/istat; Double_t f_bkg=nbkg/istat; // bkg fraction // Start RooFit session RooRealVar x("x","LP",xmin,xmax); // Import binned Data RooDataHist data1("data1","dataset with WHICVarPlus",x,mc1); RooDataHist data2("data2","dataset with WHICVarPlus",x,mc2); RooDataHist data3("data3","dataset with WHICVarPlus",x,mc3); RooDataHist test("data","dataset with WHICVarPlus",x,datahist); RooDataHist data_bkg("data4","dataset with ICVar",x,bkghist); // Relative fractions - allow them to float to negative values too if needs be // if (fitMode==0) { RooRealVar f1("fL","fL fraction",fLnom->getVal(),0.,1.); RooRealVar f2("fR","fR fraction", fRnom->getVal(),0.,1.); RooFormulaVar f3("f0","1-fL-fR",RooArgList(f1,f2)); if (fitMode) { f1.setVal((fLnom->getVal()-fRnom->getVal())); f1.setRange(-1.,1.); f1.setPlotLabel("f_{L}-f_{R}"); f2.setVal(f0nom->getVal()); f2.setPlotLabel("f_{0}"); } // } else { // RooRealVar f1("fL","fL fraction",(fLnom->getVal()-fRnom->getVal()),-1.,1.); // RooRealVar f2("fR","fR fraction", (fLnom->getVal()+fRnom->getVal()),-1.,1.); // RooFormulaVar f3("f0","1-fL-fR",RooArgList(f1,f2)); // } RooRealVar fsub("fsub","fsub par",(fLnom->getVal()-fRnom->getVal()),-1.,1.); RooRealVar fsum("fsum","fsum par",(fLnom->getVal()+fRnom->getVal()), -1.,1.); // Background template RooHistPdf *bkg = new RooHistPdf("bkg","bkg",x,data_bkg); // Bkg fraction RooRealVar fbkg("f_{bkg}","f_bkg fraction",f_bkg); // Templates RooHistPdf h1("h1","h1",x,data1); // left-handed template histogram RooHistPdf h2("h2","h2",x,data2); // right-handed template histo RooHistPdf h3("h3","h3",x,data3); // longitudinal template histo // Construct model PDF RooAbsPdf *sig, *model; if (charge.at(j) == "Plus") { // plus charge PDFs if (addParameter) { sig = new RooWPlusExtended("sigmodel","model",x,f1,f2,fsub); } else { sig = new RooWPlus("sigmodel","model",x,f1,f2); } } else if (charge.at(j) == "Minus") { // minus charge PDFs if (addParameter) { sig = new RooWMinusExtended("sigmodel","model",x,f1,f2,fsub); } else { sig = new RooWMinus("sigmodel","model",x,f1,f2); } } if (addbkg) { model = new RooAddPdf("model","model",RooArgList(*bkg,*sig),fbkg); } else { model = sig; } // Set the Fit Range x.setRange("fitrange",-0.0,1.3); // Construct likelihood ( + penalty term) RooNLLVar nll("nll","nll",*model,test,Range("fitrange")); RooRealVar pen("pen","penalty term",(0.5*1./(0.01*0.01))); RooFormulaVar nllPen("nllPen","nll+pen*fsub^2",RooArgList(nll,pen,fsub)); // Fitting RooMinuit *m; if (!addParameter) { m = new RooMinuit(nll); } else { m = new RooMinuit(nllPen);} if (!toyMC) { m->migrad(); m->hesse(); } RooFitResult *res1 = m->save(); // Re-diced data // Int_t nevt=static_cast<int>(istat); // RooDataSet *gtest = model->generate(x,nevt); // Fitting // RooFitResult * res1 = model.fitTo(test,Minos(kFALSE), Save()); // res1->Print(); if(makePlots) { // Temp PDF for plotting purposes // RooAddPdf temp("temp","component 1",RooArgList(*h1,*h2,*h3),RooArgList(*f1,*f2)) ; // Plotting gROOT->SetStyle("Plain"); gStyle->SetOptFit(0); gStyle->SetOptTitle(0); gStyle->SetOptStat(0); //gStyle->SetCanvasDefH(600); //Height of canvas //gStyle->SetCanvasDefW(600); //Width of canvas if(charge.at(j) == "Plus") { c0->cd(); //c0->Divide(2,1);c0->cd(1); } if(charge.at(j) == "Minus") { c1->cd(); //c1->Divide(2,1);c1->cd(1); } //RooPlot* frame = new RooPlot(0.0,1.3,0,800); RooPlot* frame = x.frame(); test.plotOn(frame,Name("data")); model->plotOn(frame,Name("model")); // model->paramOn(frame);//, Format("NELU", AutoPrecision(2)), Layout(0.1,0.5,0.9)); // h1.plotOn(frame); // h2.plotOn(frame); // h3.plotOn(frame); // model->plotOn(frame, Components(h1),LineColor(kRed),LineStyle(kDashed)); // temp->plotOn(frame, Components(h2),LineColor(kGreen),LineStyle(kDashed)); // temp->plotOn(frame, Components(h3),LineColor(kYellow),LineStyle(kDashed)); if (addbkg) { // model->plotOn(frame, Components(h1),FillColor(5),DrawOption("F")); //model->plotOn(frame,Components(*bkg),FillColor(5),DrawOption("")); } hdata->GetYaxis()->SetTitle("Events / 0.1"); if(charge.at(j) == "Plus") { hdata->GetXaxis()->SetTitle("#it{L_{P}}(#mu^{+})");} if(charge.at(j) == "Minus") {hdata->GetXaxis()->SetTitle("#it{L_{P}}(#mu^{-})");} hdata->GetXaxis()->SetTitleSize(0.06); hdata->GetXaxis()->SetTitleOffset(1.); hdata->GetYaxis()->SetTitleSize(0.06); hdata->GetYaxis()->SetTitleOffset(1.2); hdata->GetXaxis()->SetLabelSize(0.055); hdata->GetYaxis()->SetLabelSize(0.055); hdata->GetXaxis()->SetRangeUser(0.0,1.29); hdata->GetYaxis()->SetRangeUser(0.0,600); hdata->SetMarkerStyle(20); // mc1->Draw("same"); // Goodness-of-fit Double_t chi2= frame->chiSquare("model","data",3); Double_t nllmin=res1->minNll(); cout << "" << endl; cout << "Printing out the goodness-of-fit measure:" << endl; cout << "chi2 = " << chi2 << "\t" << "min NLL = " << nllmin << endl; res1->Print(); // TCanvas* testt = new TCanvas ("testt","hj"); cout <<"intetral: "<< hdata->Integral()<<endl; hdata->GetXaxis()->SetRangeUser(0.0,1.29); cout << hdata->Integral()<<endl; hdata->Draw(""); // frame->Draw("same"); mc1->GetXaxis()->SetRangeUser(0.0,1.29); float f_l_a = mc1->Integral(); mc2->GetXaxis()->SetRangeUser(0.0,1.29); float f_r_a = mc2->Integral(); mc3->GetXaxis()->SetRangeUser(0.0,1.29); float f_0_a = mc3->Integral(); float allData = hdata->Integral(); float EWKBkg = allData*(f_bkg); float WData = allData*(1-f_bkg); float f_l = 0.5*(1-f2.getVal()+f1.getVal()); float f_r = 0.5*(1-f2.getVal()-f1.getVal()); float f_0 = f2.getVal(); cout << "f_l: "<< f_l<< ",f_r: "<< f_r<< ", f_0: "<< f_0<< " 1= "<< f_l+f_r+f_0<< endl; float allW = f_l*f_l_a+f_r*f_r_a+f_0*f_0_a; //hdata->Draw(""); // bkghist->GetXaxis()->SetRangeUser(0.0,1.3); bkghist->Scale(EWKBkg/bkghist->Integral()); bkghist->Draw("samehist"); bkghist->SetLineColor(kYellow); bkghist->SetFillColor(kYellow); mc1->Scale(f_l*WData/allW); mc2->Scale(f_r*WData/allW); mc3->Scale(f_0*WData/allW); mc1->SetLineColor(kRed); mc2->SetLineColor(kGreen); mc3->SetLineColor(kBlue); mc1->SetLineWidth(3); mc2->SetLineWidth(3); mc3->SetLineWidth(3); mc1->SetLineStyle(2); mc2->SetLineStyle(3); mc3->SetLineStyle(4); mc1->Draw("samehist"); mc2->Draw("samehist"); mc3->Draw("samehist"); TH1D* allHists = (TH1D*)mc1->Clone(); allHists->Add(mc2,1); allHists->Add(mc3,1); allHists->Add(bkghist,1); allHists->SetLineWidth(3); // frame->SetOptFit(0); frame->Draw("same"); // allHists->Draw("same"); TLegend* aleg; //if(charge.at(j) == "Minus") aleg = new TLegend(0.2,0.69,0.6,0.9,""); // if(charge.at(j) == "Plus") //aleg = new TLegend(0.5,0.6,0.7,0.9,"");//new TLegend(0.8,0.69,0.95,0.9,""); aleg = new TLegend(0.2017937,0.7419355,0.4775785,0.9193548,NULL,"brNDC"); aleg->SetNColumns(2); aleg->SetFillColor(0); aleg->SetLineColor(0); aleg->AddEntry(mc1,"f_{L}","lf"); aleg->AddEntry(mc2,"f_{R}","lf"); aleg->AddEntry(mc3,"f_{0}","lf"); aleg->AddEntry(bkghist,"EWK","lf"); TH1* dummyhist = new TH1F("", "", 1, 0, 1); dummyhist->SetLineColor(kBlue); dummyhist->SetLineWidth(3); aleg->AddEntry(dummyhist, "fit result", "lf"); aleg->AddEntry(hdata, "data","P"); aleg->Draw("same"); //TLatex* preliminary; //TLatex* text; //if(false) { //text = new TLatex(0.35,480,"#splitline{f_{L}-f_{R}=0.240#pm0.036(stat.)#pm0.031(syst.)}{f_{0}=0.183#pm0.087(stat.)#pm0.123(syst.)}"); //preliminary = new TLatex(0.35,550,"CMS preliminary: #it{L} = 36pb^{-1}@ 7 TeV"); //} //if(true){ //text = new TLatex(0.05,480,"#splitline{f_{L}-f_{R}=0.310#pm0.036(stat.)#pm0.017(syst.)}{f_{0}=0.171#pm0.085(stat.)#pm0.099(syst.)}"); //preliminary = new TLatex(0.05,550,"#splitline{CMS, #sqrt{s} = 7 TeV,}{#it{L_{int}} = 36 pb^{-1}}");} //preliminary->SetTextSize(0.043); //preliminary->Draw("same"); //text->SetTextSize(0.043); // text->Draw("same"); /* // Draw Minuit contours if(charge.at(j) == "Plus") { c0->cd(2); } else { c1->cd(2); } // RooPlot *rcont=m->contour(f1,f2,1,2); // rcont->Draw(); RooPlot *rcontour=new RooPlot(f1,f2); res1->plotOn(rcontour,f1,f2,"ME123VHB"); rcontour->Draw(); if (fitMode) { rcontour->GetXaxis()->SetTitle("f_{L}-f_{R}"); rcontour->GetYaxis()->SetTitle("f_{0}"); } else { rcontour->GetXaxis()->SetTitle("f_{L}"); rcontour->GetYaxis()->SetTitle("f_{R}"); } */ } TLatex * text = new TLatex(0.7451931,500.8655,"#splitline{CMS, #sqrt{s} = 7 TeV}{L_{ int} = 36 pb^{-1}}"); text->SetTextSize(0.043); text->SetLineWidth(2); text->Draw("same"); const TMatrixDSym& cor = res1->correlationMatrix(); const TMatrixDSym& cov = res1->covarianceMatrix(); //Print correlation, covariance matrix cout << "correlation matrix" << endl; cor.Print(); cout << "covariance matrix" << endl; cov.Print(); cout << f1 << endl; cout << f2 << endl; if (!fitMode) { cout << "f0 = " << f3 << " +/- " << f3.getPropagatedError(*res1) << endl; } } if(makePlots) { c0->Print(canvas_name_plus+".pdf"); c1->Print(canvas_name_minus+".pdf"); } if (toyMC) { // MC STudies Int_t nevt=istat; Int_t nEXP=100; RooMCStudy mgr(*model,*model,x,"","mhrv"); mgr.generateAndFit(nEXP,nevt,kTRUE); TCanvas *cp0 = new TCanvas("c0","",1200,400); cp0->Divide(3,1); cp0->cd(1); RooPlot *p1=mgr.plotParam(f1); p1->Draw(); if (fitMode) p1->SetTitle(";f_{L}-f_{R};number of toys"); cp0->cd(2); RooPlot *p2 = mgr.plotError(f1); p2->Draw(); if (fitMode) p2->SetTitle(";#delta (f_{L}-f_{R});number of toys"); cp0->cd(3); // f1 pull RooPlot* m1pframe = mgr.plotPull(f1,-3.,3.,30,kTRUE); m1pframe->Draw(); if (fitMode) { m1pframe->SetTitle(";f_{L}-f_{R};number of toys"); } TCanvas *cp02 = new TCanvas("c1","",1200,400); cp02->Divide(3,1); cp02->cd(1); RooPlot *p3=mgr.plotParam(f2); p3->Draw(); if (fitMode) p3->SetTitle(";f_{0};number of toys"); cp02->cd(2); RooPlot *p4=mgr.plotError(f2); p4->Draw(); if (fitMode) p4->SetTitle(";#delta f_{0}; number of toys"); cp02->cd(3); // f2 pull RooPlot* m2pframe = mgr.plotPull(f2,-3.,3.,30,kTRUE); m2pframe->Draw(); if (fitMode) { m2pframe->SetTitle(";f_{0};number of toys"); } TCanvas *cnll = new TCanvas("cnll",""); RooPlot* nllframe = mgr.plotNLL(); // nllframe->Draw(); } return; }