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#include <vector> |
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#include <TFile.h> |
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#include <TH1.h> |
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#include <TH2.h> |
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#include <TLatex.h> |
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#include <TCanvas.h> |
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#include <TMath.h> |
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#include <TLegend.h> |
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#include <TObject.h> |
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#include <iostream> |
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#include <sstream> |
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#include <fstream> |
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#include <iomanip> |
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#include <map> |
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#include "ikstest.h" |
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using namespace std; |
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// User defined parameters |
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bool useInv = false; // whether to use n-1 QCD template |
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bool realData = false; |
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const double stepsize = 0.001; |
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|
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//define the constants: 2.78/pb |
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const double weight_[3] = {0.0506107, //QCD |
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0.0088222, //WJets |
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0.000295 //TTbar |
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//define the constants: 2.79/pb |
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const double weight_[3] = {0.0507928, //QCD |
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0.0088539, //WJets |
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0.000296 //TTbar |
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}; |
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const Double_t procQCD = 1.46; |
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const Double_t procWjets = 1.03; |
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const Double_t procttjets = 1.0; |
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struct testMC { |
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testMC(Double_t p = 0., Double_t sb = 0., Double_t ss = 0.){prob=p; scaleF_backg = sb; scaleF_sample = ss;} |
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Double_t prob; |
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Double_t scaleF_backg; |
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Double_t scaleF_sample; |
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}; |
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|
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//function for doing KS test |
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vector<testMC> doKStest(Double_t NsS, Double_t Ns1, Double_t Ns2, TH1F* mixS, TH1F* s1, TH1F* s2) { |
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vector<testMC> output; |
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//define the scale factors |
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Double_t sf1 = 0.0; // QCD |
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Double_t sf2 = 0.0; // Wjets |
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//KS test |
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do { |
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sf1 = (NsS - Ns2*sf2)/Ns1; |
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if (sf1 < 0) break; |
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//cout << "..........sf1 = " << sf1 << endl; |
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int nbins = mixS->GetNbinsX(); |
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double xmin = mixS->GetXaxis()->GetBinLowEdge(1); |
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double xmax = mixS->GetXaxis()->GetBinUpEdge(nbins); |
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TH1F *test = new TH1F("test", "", nbins, xmin, xmax); |
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test -> Sumw2(); |
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test -> Add(s1,s2,sf1,sf2); |
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//test->Scale(1./(1.*test->Integral())); |
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Double_t probability = mixS -> KolmogorovTest(test,""); |
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testMC temp = testMC(probability,sf1,sf2); |
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output.push_back(temp); |
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// cout << "probability = " << setw(15) << temp.prob |
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// << "; sfQCD = " << setw(10) << temp.scaleF_backg |
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// << "; sfWjets = " << setw(6) << temp.scaleF_sample << endl; |
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delete test; |
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sf2 = sf2 + stepsize; |
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} while(sf1 > 0 && sf2 <= 2.0); |
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return output; |
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} |
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|
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//get the maximum KS test result |
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testMC getMax(vector<testMC> vec) { |
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testMC maxKSRes; |
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Double_t maximum = 0.0; |
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for (size_t i = 0; i < vec.size(); i++) { |
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if (maximum < vec.at(i).prob) { |
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maximum = vec.at(i).prob; |
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maxKSRes = vec.at(i); |
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} |
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} |
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cout << "for maximum: " << setw(12) << maxKSRes.prob |
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<< "; sb = " << setw(10) << maxKSRes.scaleF_backg |
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<< "; ss = " << setw(5) << maxKSRes.scaleF_sample << endl; |
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return maxKSRes; |
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} |
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|
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// User defined parameters |
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bool useInv = true; // whether to use n-1 QCD template |
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bool realData = true; |
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//================================= |
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// Main program |
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//================================= |
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void ikstest() { |
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//Style(); |
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gROOT->SetStyle("CMS"); |
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TLatex *latex = new TLatex(); |
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latex->SetNDC(); |
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TString suffix = "Sel3"; |
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TString desDir = "Results_2.79pb-1/"; |
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//TString invName = "RelIsoge0p1"; |
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//TString invName = "D0ge0p03"; |
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TString invName = "METle15"; |
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if (!useInv) { |
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if (!realData) desDir += "MC/"; |
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else desDir += "Data/"; |
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} else { |
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if (!realData) desDir += "MC_"+invName+"/"; |
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else desDir += "Data_"+invName+"/"; |
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} |
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struct stat stDir; |
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if (!stat(desDir,&stDir)){ |
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cout << "Output folder exists! Continues? (enter to continue; 'q' for quit)" << endl; |
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char incmd; |
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cin.get(incmd); |
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if (incmd == 'q') return; |
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} else { |
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cout << "Creating folder : " << desDir << endl; |
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if (mkdir(desDir,0755) == -1){ |
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std::cerr << "Error creating folder" << endl; |
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return; |
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} |
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} |
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ofstream outprint( "ikstest_results_20100901.txt" ); |
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ofstream outprint(TString(desDir+"Results_"+suffix+".txt")); |
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//open the files with histograms |
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map<string,TFile*> mfile; |
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mfile["Data"] = TFile::Open("skimmed_Data_20100901/Data_RefSel_v3.root"); |
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mfile["Data"] = TFile::Open("skimmed_Data_2.79pb-1/Data_RefSel3.root"); |
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// n-1 cuts |
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if (useInv) { |
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if (realData) |
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// mfile["InvSel"] = TFile::Open("skimmed_Data_20100825/Data_D0ge0p03.root"); |
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mfile["InvSel"] = TFile::Open("skimmed_Data_20100901/Data_RelIsoge0p1_v3.root"); |
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mfile["InvSel"] = TFile::Open(TString("skimmed_Data_2.79pb-1/Data_Sel3_"+invName+".root")); |
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else |
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// mfile["InvSel"] = TFile::Open("skimmed_MC/QCD_D0ge0p03.root"); |
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mfile["InvSel"] = TFile::Open("skimmed_MC/QCD_RelIsoge0p1_v3.root"); |
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mfile["InvSel"] = TFile::Open(TString("skimmed_MC/QCD_Sel3_"+invName+".root")); |
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} |
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// RefSel MC |
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mfile["0"] = TFile::Open("skimmed_MC/QCD_RefSel_v3.root"); |
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mfile["1"] = TFile::Open("skimmed_MC/WJets_RefSel_v3.root"); |
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mfile["2"] = TFile::Open("skimmed_MC/TTbar_RefSel_v3.root"); |
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mfile["0"] = TFile::Open("skimmed_MC/QCD_RefSel3.root"); |
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mfile["1"] = TFile::Open("skimmed_MC/WJets_RefSel3.root"); |
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mfile["2"] = TFile::Open("skimmed_MC/TTbar_RefSel3.root"); |
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//define histograms and related parameters |
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string histoName[3] = {"h_mu_pt_calo","h_met_calo","h_mt_calo"}; |
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string histoLabelX[3] = {"p_{T}^{good Muons}", "E_{T}^{#nu}", "m_{T}^{W}"}; |
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string histoLabelX[3] = {"p_{T}^{#mu} [GeV/c]", "#slash{E}_{T} [GeV/c]", "M_{T}^{W} [GeV/c^{2}]"}; |
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Int_t xbins[3] = {20,20,40}; |
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Double_t xlow[3] = {0.,0.,0.}; |
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Double_t xhigh[3] = {100.,100.,200.}; |
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TH1F *htmp = (TH1F*) mfile["Data"]->Get(TString(histoName[i])); |
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mixh_[i] -> Add(htmp,1.); |
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} |
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mixh_[i]->GetXaxis()->SetTitle(histoLabelX[i].c_str()); |
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mixh_[i]->GetYaxis()->SetTitle("Entries"); |
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mixh_[i]->DrawClone(); |
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} |
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canvas0->SaveAs("Data_distributions.pdf"); |
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canvas0->SaveAs(TString(desDir+"Data_distributions.pdf")); |
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//define the weight corrections for each sample |
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double NevData = mixh_[2]->Integral(); |
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//hKSvalues_[i]->Rebin(2); |
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mixh_[i] ->SetLineColor(1); |
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hQCD_NEW[i] ->SetLineColor(3); |
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h_[i] ->SetLineColor(6); |
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h_[i+3] ->SetLineColor(4); |
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hQCD_NEW[i] ->SetLineColor(2); |
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h_[i] ->SetLineColor(4); |
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h_[i+3] ->SetLineColor(3); |
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hKSres_[i] ->SetLineColor(2); |
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hKSvalues_[i]->SetLineColor(i+1); |
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mixh_[i] ->SetMarkerColor(1); |
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hQCD_NEW[i] ->SetMarkerColor(3); |
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h_[i] ->SetMarkerColor(6); |
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h_[i+3] ->SetMarkerColor(4); |
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hQCD_NEW[i] ->SetMarkerColor(2); |
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h_[i] ->SetMarkerColor(4); |
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h_[i+3] ->SetMarkerColor(3); |
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hKSres_[i] ->SetMarkerColor(2); |
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hKSvalues_[i]->SetMarkerColor(i+1); |
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hKSres_[i] ->SetStats(0); |
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hKSvalues_[i]->SetStats(0); |
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mixh_[i]->GetXaxis()->SetTitle(histoLabelX[i].c_str()); |
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mixh_[i]->GetYaxis()->SetTitle("Entries"); |
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hKSres_[i]->GetXaxis()->SetTitle(histoLabelX[i].c_str()); |
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hKSres_[i]->GetYaxis()->SetTitle("Entries"); |
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hKSvalues_[i]->GetXaxis()->SetTitle("iteration #"); |
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hKSvalues_[i]->GetYaxis()->SetTitle("KS test values"); |
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h_[i]->GetXaxis()->SetTitle(histoLabelX[i].c_str()); |
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h_[i]->GetYaxis()->SetTitle("A.U."); |
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string nameCanvas1 = histoName[i]+"_QCD.pdf"; |
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TCanvas *canvas1 = new TCanvas(nameCanvas1.c_str(), ""); |
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TString nameCanvas1 = desDir+histoName[i]+"_QCD_"+suffix+".pdf"; |
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TCanvas *canvas1 = new TCanvas(TString(histoName[i]+"_QCD"),""); |
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hQCD_NEW[i] -> Scale(1./hQCD_NEW[i]->Integral()); |
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h_[i] -> Scale(1./h_[i]->Integral()); |
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h_[i+3] -> Scale(1./h_[i+3]->Integral()); |
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outprint << "For " << histoName[i] << " , the KStest result btw MC_QCD/InvSel is = " |
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<< h_[i] -> KolmogorovTest(hQCD_NEW[i],"") << endl; |
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hQCD_NEW[i]->Draw("P"); |
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h_[i]->Draw("sameP"); |
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h_[i]->Draw("P"); |
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if (useInv) |
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hQCD_NEW[i]->Draw("sameP"); |
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h_[i+3]->Draw("sameP"); |
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TLegend *legend1 = new TLegend(0.7, 0.70, 0.9, 0.85); |
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legend1->AddEntry(h_[i], "default"); |
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legend1->AddEntry(h_[i], "QCD"); |
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if (useInv) |
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legend1->AddEntry(hQCD_NEW[i], "QCD - InvSel"); |
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legend1->AddEntry(h_[i+3], "W+jets"); |
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legend1->AddEntry(hQCD_NEW[i], "new"); |
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legend1->Draw(); |
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legend1->SetFillColor(kWhite); |
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latex->DrawLatex(0.22,0.91,histoName[i].c_str()); |
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//latex->DrawLatex(0.22,0.91,histoName[i].c_str()); |
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canvas1->SetLogy(); |
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canvas1->SaveAs(nameCanvas1.c_str()); |
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canvas1->SaveAs(nameCanvas1); |
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string nameCanvas2 = histoName[i]+"_dataKS.pdf"; |
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TCanvas *canvas2 = new TCanvas(nameCanvas2.c_str(), ""); |
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TString nameCanvas2 = desDir+histoName[i]+"_dataKS_"+suffix+".pdf"; |
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TCanvas *canvas2 = new TCanvas(TString(histoName[i]+"_dataKS"),""); |
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hKSres_[i]->Draw("P"); |
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mixh_[i]->Draw("sameP"); |
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TLegend *legend2 = new TLegend(0.7, 0.70, 0.9, 0.85); |
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legend2->AddEntry(hKSres_[i], "KS result"); |
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legend2->Draw(); |
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legend2->SetFillColor(kWhite); |
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latex->DrawLatex(0.22,0.91,histoName[i].c_str()); |
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//latex->DrawLatex(0.22,0.91,histoName[i].c_str()); |
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canvas2->SetLogy(); |
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canvas2->SaveAs(nameCanvas2.c_str()); |
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canvas2->SaveAs(nameCanvas2); |
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} |
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TCanvas *canvas3 = new TCanvas("KStestValues", ""); |
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//hKSvalues_[0]->GetXaxis()->SetRangeUser(0.9,1.1); |
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//hKSvalues_[0]->GetYaxis()->SetRangeUser(1e-3,1.1); |
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TCanvas *canvas3 = new TCanvas("KStestValues",""); |
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//hKSvalues_[0]->GetXaxis()->SetRangeUser(0.9,1.2); |
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hKSvalues_[0]->GetYaxis()->SetRangeUser(1e-36,1.2); |
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hKSvalues_[0]->Draw(); |
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hKSvalues_[1]->SetLineColor(2); |
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hKSvalues_[1]->Draw("same"); |
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hKSvalues_[2]->SetLineColor(4); |
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hKSvalues_[2]->Draw("same"); |
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TLegend *legend3 = new TLegend(0.7, 0.70, 0.9, 0.85); |
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legend3->AddEntry(hKSvalues_[0], "muon_pT"); |
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legend3->AddEntry(hKSvalues_[2], "W_mT"); |
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legend3->Draw(); |
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legend3->SetFillColor(kWhite); |
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latex->DrawLatex(0.22,0.91,"KS test values"); |
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//latex->DrawLatex(0.22,0.91,"KS test values"); |
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canvas3->SetLogy(); |
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string nameCanvas3 = "KStestValues_newQCD.pdf"; |
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canvas3->SaveAs(nameCanvas3.c_str()); |
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TString nameCanvas3 = desDir+"KStestValues_newQCD"+suffix+".pdf"; |
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canvas3->SaveAs(nameCanvas3); |
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} |
