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dkralph |
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#if !defined(__CINT__) || defined(__MAKECINT__)
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#include <TROOT.h> // access to gROOT, entry point to ROOT system
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#include <TFile.h> // file handle class
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#include <TTree.h> // class to access ntuples
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#include <TChain.h>
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#include <TCanvas.h> // class for drawing
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#include <TH1F.h> // 1D histograms
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#include <TH2F.h> // 2D histograms
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#include <TBenchmark.h> // class to track macro running statistics
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#include <TVector3.h> // 3D vector class
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#include <TRegexp.h> // 3D vector class
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#include <vector> // STL vector class
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#include <iostream> // standard I/O
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#include <iomanip> // functions to format standard I/O
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#include <fstream> // functions for file I/O
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#include <string> // C++ string class
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#include <sstream> // class for parsing strings
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#include "RooHistPdf.h"
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#include "RooGlobalFunc.h"
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#include "RooPlot.h"
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#include "RooRealVar.h"
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#include "RooDataHist.h"
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#include "RooGenericPdf.h"
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#include "RooDataSet.h"
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#include "RooAddPdf.h"
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#include "RooFormulaVar.h"
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#include "RooCurve.h"
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#include "RooBinning.h"
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#include "Common/CPlot.hh" // helper class for plots
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#include "Common/MitStyleRemix.hh" // style settings for drawing
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#include "Common/MyTools.hh" // miscellaneous helper functions
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#include "Common/CSample.hh" // helper class for organizing input ntuple files
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#endif
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using namespace RooFit;
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TString scheme = "bdt-medium";
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TString lumi = "2100";
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TCanvas *c = new TCanvas("c","c");
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vector<TString> fnamev,labelv;
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void fitMet(TH1F *hmcZ, TH1F *hmcW, TH1F *hSSmet);
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TH1F* get_FR_pred(TTree *tree, TString var, TString extra, int nbins, double xmin, double xmax ) {
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TH1F* hFR = new TH1F("hFR","",nbins,xmin,xmax);
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hFR->Sumw2();
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tree->Draw(var+">>hFR","w*(w!=1)"+extra);
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return hFR;
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}
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TH1F* get_SS(TTree *tree, TString var, TString extra, int nbins, double xmin, double xmax) {
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TH1F* hSS = new TH1F("hSS","",nbins,xmin,xmax);
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hSS->Sumw2();
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tree->Draw(var+">>hSS","(w==1)"+extra);
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return hSS;
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}
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TH1F* get_MC(TTree *tree, TString var, TString extra, int nbins, double xmin, double xmax) {
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TH1F *hMC = new TH1F("hMC","",nbins,xmin,xmax);
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hMC->Sumw2();
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tree->Draw(var+">>hMC",lumi+"*npuw*xswgt*(w==1)"+extra);
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return hMC;
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}
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void plot_fake_closure()
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{
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CPlot::sOutDir = "~/public_html/4lplots";
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map<TString,TTree*> treemap;
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map<TString,TString> labelmap;
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TChain *wdata_chain = new TChain("wdata_chain","wdata_chain");
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// wdata_chain->AddFile("root/ntuples/W-bdt-medium-iso07-straightrate.root",-1,"passtuple");
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// wdata_chain->AddFile("root/ntuples/W-bdt-medium-iso07-2011B.root",-1,"passtuple");
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wdata_chain->AddFile("root/ntuples/W-bdt-medium-wip3dcut.root",-1,"passtuple");
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treemap["wdata"] = wdata_chain;
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TChain *zmc_chain = new TChain("zmc_chain","zmc_chain");
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zmc_chain->AddFile("root/ntuples/W-bdt-medium-zjets-iso07-zjets.root",-1,"passtuple");
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treemap["zmc"] = zmc_chain;
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TChain *wmc_chain = new TChain("wmc_chain","wmc_chain");
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wmc_chain->AddFile("root/ntuples/W-bdt-medium-wjets-iso07-zjets.root",-1,"passtuple");
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treemap["wmc"] = wmc_chain;
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double xmin,xmax;
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int nbins;
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TString var,cut,extra,ylabel;
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//----------------------------------------------------------------------------------------
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// EMu W selection
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cut = "*(pttight>25 && pfisotight/pttight<.025)";
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ylabel = "events";
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var = "mZ1";
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xmin = 0; xmax = 300; nbins = 20;
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extra = cut + "*(met>30)";
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CPlot plotmZ1W(var+"W","","#bf{m_{ll} [GeV]}",ylabel);
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TH1F *hSSmZ1 = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W.AddHist1D(hSSmZ1,"Obs.","E");
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TH1F *hFRmZ1 = get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W.AddToStack(hFRmZ1,"FR predic",kCyan-6);
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plotmZ1W.Draw(c,kTRUE,"png");
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extra = cut + "*(met>30 && pt2<20)";
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CPlot plotmZ1W_lopt(var+"W_lopt","","#bf{m_{ll} [GeV]}",ylabel);
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TH1F *hSSmZ1_lopt = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W_lopt.AddHist1D(hSSmZ1_lopt,"Obs.","E");
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TH1F *hFRmZ1_lopt = get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W_lopt.AddToStack(hFRmZ1_lopt,"FR predic",kCyan-6);
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plotmZ1W_lopt.Draw(c,kTRUE,"png");
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extra = cut + "*(met>30 && pt2>20)";
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CPlot plotmZ1W_hipt(var+"W_hipt","","#bf{m_{ll} [GeV]}",ylabel);
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TH1F *hSSmZ1_hipt = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W_hipt.AddHist1D(hSSmZ1_hipt,"Obs.","E");
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TH1F *hFRmZ1_hipt = get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotmZ1W_hipt.AddToStack(hFRmZ1_hipt,"FR predic",kCyan-6);
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plotmZ1W_hipt.Draw(c,kTRUE,"png");
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var = "pt2";
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xmin = 0; xmax = 80; nbins = 30;
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extra = cut;
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CPlot plotpt2W(var+"W","","#bf{loose p_{T} [GeV]}",ylabel);
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TH1F *pt2_SS = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotpt2W.AddHist1D(pt2_SS,"Obs.","E");
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TH1F *pt2_FR = get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax);
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plotpt2W.AddToStack(pt2_FR,"FR predic",kCyan-6);
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plotpt2W.Draw(c,kTRUE,"png");
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for(int i=0; i<pt2_SS->GetNbinsX()+2; i++) {
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cout << pt2_SS->GetBinContent(i) << "\t" << pt2_FR->GetBinContent(i) << "\t" << (pt2_SS->GetBinContent(i) - pt2_FR->GetBinContent(i))/(0.5*(pt2_SS->GetBinContent(i) + pt2_FR->GetBinContent(i))) << endl;
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}
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var = "abs(eta2)";
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xmin = 0; xmax = 2.6; nbins = 30;
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extra = cut;
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CPlot ploteta2W("eta2W","","#bf{loose p_{T} [GeV]}",ylabel);
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TH1F *htmp = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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ploteta2W.AddHist1D(htmp,"Obs.","E");
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ploteta2W.AddToStack(get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax),"FR predic",kCyan-6);
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ploteta2W.SetYRange(0,1.4*htmp->GetMaximum());
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ploteta2W.Draw(c,kTRUE,"png");
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var = "mt";
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xmin = 0; xmax = 120; nbins = 30;
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extra = cut + "*(met>30)";
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CPlot plotMtW(var+"W","","#bf{m_{T} [GeV]}",ylabel);
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plotMtW.AddHist1D(get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax),"Obs.","E");
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plotMtW.AddToStack(get_FR_pred(treemap["wdata"],var,extra,nbins,xmin,xmax),"FR predic",kCyan-6);
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plotMtW.Draw(c,kTRUE,"png");
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//----------------------------------------------------------------------------------------
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// met fit
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var = "met";
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xmin = 0; xmax = 100; nbins = 25;
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extra = cut;
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TH1F *hSSmet = get_SS(treemap["wdata"],var,extra,nbins,xmin,xmax);
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TH1F *hmcZ = get_MC(treemap["zmc"],var,extra,nbins,xmin,xmax); hmcZ->Scale(1./6.5);
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TH1F *hmcW = get_MC(treemap["wmc"],var,extra,nbins,xmin,xmax); hmcW->Scale(1./6.5);
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fitMet(hmcZ,hmcW,hSSmet);
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double integral=0,err=0;
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vector<double> integrals,errs;
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// inclusive
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integral = hSSmZ1->IntegralAndError(1,hSSmZ1->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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integral = hFRmZ1->IntegralAndError(1,hFRmZ1->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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// for(int i=0; i<hSSmZ1->GetNbinsX()+2; i++) {
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// cout << hSSmZ1->GetBinContent(i) << "\t" << hFRmZ1->GetBinContent(i) << "\t" << (hSSmZ1->GetBinContent(i) - hFRmZ1->GetBinContent(i))/(0.5*(hSSmZ1->GetBinContent(i) + hFRmZ1->GetBinContent(i))) << endl;
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// }
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// low pt
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integral = hSSmZ1_lopt->IntegralAndError(1,hSSmZ1_lopt->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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integral = hFRmZ1_lopt->IntegralAndError(1,hFRmZ1_lopt->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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// high pt
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integral = hSSmZ1_hipt->IntegralAndError(1,hSSmZ1_hipt->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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integral = hFRmZ1_hipt->IntegralAndError(1,hFRmZ1_hipt->GetNbinsX(),err); integrals.push_back(integral); errs.push_back(err);
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cout << "Inclusive: " << endl;
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cout << "\tSS: " << fixed << setprecision(1) << integrals[0] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[0] << "\t (events: " << hSSmZ1->GetEntries() << ")" << endl;
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cout << "\tFR: " << fixed << setprecision(1) << integrals[1] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[1] << "\t (events: " << hFRmZ1->GetEntries() << ")\t";
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cout << setprecision(3) << 2*(integrals[1]-integrals[0])/(integrals[0]+integrals[1]) << endl;
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cout << "Pt < 20: " << endl;
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cout << "\tSS: " << fixed << setprecision(1) << integrals[2] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[2] << "\t (events: " << hSSmZ1_lopt->GetEntries() << ")" << endl;
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cout << "\tFR: " << fixed << setprecision(1) << integrals[3] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[3] << "\t (events: " << hFRmZ1_lopt->GetEntries() << ")\t";
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cout << setprecision(3) << 2*(integrals[3]-integrals[2])/(integrals[3]+integrals[2]) << endl;
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cout << "Pt > 20: " << endl;
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cout << "\tSS: " << fixed << setprecision(1) << integrals[4] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[4] << "\t (events: " << hSSmZ1_hipt->GetEntries() << ")" << endl;
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cout << "\tFR: " << fixed << setprecision(1) << integrals[5] << "\t+/- " << fixed << setprecision(1) << setw(5) << errs[5] << "\t (events: " << hFRmZ1_hipt->GetEntries() << ")\t";
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cout << setprecision(3) << 2*(integrals[5]-integrals[4])/(integrals[5]+integrals[4]) << endl;
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}
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//----------------------------------------------------------------------------------------
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void fitMet(TH1F *hmcZ, TH1F *hmcW, TH1F *hSSmet)
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{
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RooRealVar met("met","MET [GeV]",0,100);
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RooBinning metbins(25,0,100);
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met.setBinning(metbins);
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// Z mc pdf
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RooDataHist hZ("hZ","hZ",RooArgList(met),hmcZ);
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RooHistPdf pZ("pZ","pZ",RooArgSet(met),hZ);
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// W mc pdf
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hmcW->Smooth(2);
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RooDataHist hW("hW","hW",RooArgList(met),hmcW);
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RooHistPdf pW("pW","pW",RooArgSet(met),hW,3);
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// rayleigh pdf
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RooRealVar sig("sig","sig",3,1,15);
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RooRealVar a1("a1","a1",0.1,0,1);
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RooGenericPdf rayl("rayl","rayl","met*exp(-(met)*(met)/(sig*sig +2*sig*a1*(met) + a1*a1*(met)*(met)))",RooArgList(met,sig,a1));
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RooRealVar nWandZ("nWandZ","nWandZ",10000,0,11000);//81+611,1000);
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RooRealVar fZ("fZ","fZ",84./628);
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RooRealVar nRayl("nRayl","nRayl",300,0,10000);
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RooAddPdf mMC("mMC","mMC",RooArgList(pZ,pW),RooArgList(fZ));
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RooAddPdf model("model","model",RooArgList(mMC,rayl),RooArgList(nWandZ,nRayl));
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RooDataHist obsMet("obsMet","obsMet",RooArgList(met),hSSmet);
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model.fitTo(obsMet);
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CPlot plotMetFit("metfitW","","MET [GeV]","Events");
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TH1F *rayl_hist = (TH1F*)rayl.createHistogram("met",met,Binning(metbins));
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rayl_hist->Scale(nRayl.getVal()/rayl_hist->Integral());
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plotMetFit.AddToStack(rayl_hist,"jet (Rayleigh)",kBlue);
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TH1F *z_hist = (TH1F*)pZ.createHistogram("met",met,Binning(metbins));
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z_hist->Scale(fZ.getVal()*nWandZ.getVal()/z_hist->Integral());
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plotMetFit.AddToStack(z_hist,"Z+jets",kGray);
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TH1F *w_hist = (TH1F*)pW.createHistogram("met",met,Binning(metbins));
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w_hist->Scale( (nWandZ.getVal()*(1-fZ.getVal()))/w_hist->Integral());
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plotMetFit.AddToStack(w_hist,"W+jets",kCyan-6);
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TH1F *h_obs = (TH1F*)obsMet.createHistogram("met",met,Binning(metbins));
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plotMetFit.AddHist1D(h_obs,"Obs.");
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plotMetFit.AddLine(30,0,30,850,kRed,kDashed);
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plotMetFit.Draw(c,kTRUE,"png");
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cout << "\nnW in mc: " << hmcW->Integral() << endl;
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cout << "nZ in mc: " << hmcZ->Integral() << endl << endl;
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}
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