forked from bhawan/WJETS
/
myFastPlots.cc
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/
myFastPlots.cc
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#include <TFile.h>
#include <TStyle.h>
#include <TH1.h>
#include <TH2.h>
#include <TCanvas.h>
#include <iostream>
#include <cstdlib>
#include <iomanip>
#include <fstream>
#include <sstream>
#include <RooUnfoldResponse.h>
#include <RooUnfoldSvd.h>
#include <RooUnfoldBayes.h>
#include <RooUnfoldBinByBin.h>
#include <RooUnfoldInvert.h>
#include <TSVDUnfold.h>
#include <TCanvas.h>
#include <TPad.h>
#include <TLegend.h>
#include <TList.h>
#include "getFilesAndHistograms.h"
#include "unfoldingFunctions.h"
#include "writeFastPlotsTex.h"
#include "myFastPlots.h"
//-- Setting global variables --------------------------------------------------------------
#include "fileNames.h"
#include "variablesOfInterestVarWidth.h"
int UnfoldData(const TString lepSel, const TString algo, int svdKterm, RooUnfoldResponse *resp, TH1D *hRecDataMinusFakes, TH1D* &hUnfData, string variable, TString name);
double MyChi2Test(TH1D *h1, TH1D *h2, int nBinsToSkip);
TH1D* foldUnfData(TH1D *hUnfData, RooUnfoldResponse *hresp);
TH1D* getFakes(TH1D *hRecDYJets, TH1D *hRecData, TH1D *hRecSumBg, TH2D *hResDYJets);
RooUnfoldResponse* getResp(TFile *File, string variable, TH1D *recoMad, TH1D *genMad);
void myFastPlots(string leptonFlavor, string var, bool closureTest)
{
TH1::SetDefaultSumw2();
TH2::SetDefaultSumw2();
gStyle->SetOptStat(0);
gStyle->SetPaintTextFormat("1.2f");
//--- load the proper VAROFINTERST structure: Z+jets or W+jets ---
int nsel = 0;
const int *sel = NULL;
variableStruct *varStruct = NULL;
TList *varList = new TList();
int nVarStruct;
if (leptonFlavor == "DMu" || leptonFlavor == "DE"){
nVarStruct = NVAROFINTERESTZJETS;
varStruct = new variableStruct[nVarStruct];
varStruct = VAROFINTERESTZJETS;
makeLISTOFVAROFINTERESTZJETS();
varList = LISTOFVAROFINTERESTZJETS;
nsel = NFILESDYJETS;
sel = new int[nsel];
sel = FilesDYJets;
}
else if (leptonFlavor == "SMu" || leptonFlavor == "SE"){
//--- list of variable from : variablesOfInterestVarWidth.h
nVarStruct = NVAROFINTERESTWJETS;
varStruct = new variableStruct[nVarStruct];
varStruct = VAROFINTERESTWJETS;
makeLISTOFVAROFINTERESTWJETS();
varList = LISTOFVAROFINTERESTWJETS;
//--- list of files to be used from : fileNames.h
nsel = NFILESWJETS_M;
sel = new int[nsel];
sel = FilesWJets_M;
}
//---------------------------------------------
//--- check wether muon or electron is used ---
bool isMuon;
if (leptonFlavor.find("Mu") != string::npos) isMuon = 1;
else isMuon = 0;
//---------------------------------------------
if (var == ""){
//nVarStruct = 1;
for (int i(40); i < 50/*nVarStruct*/; i++){
cout << setw(3) << i << ") Processing variable: " << varStruct[i].name << endl;
if (!isMuon) FastPlotsRun(sel, nsel, leptonFlavor, varStruct[i].name, varStruct[i].log, varStruct[i].decrease, varStruct[i].ESVDkterm, varStruct[i].EBayeskterm);
if (isMuon) FastPlotsRun(sel, nsel, leptonFlavor, varStruct[i].name, varStruct[i].log, varStruct[i].decrease, varStruct[i].MuSVDkterm, varStruct[i].MuBayeskterm);
cout << "Type \"n\" for next" << endl;
int a = 0;
cin >> a;
cin.clear();
cin.ignore();
}
}
else{
if(varList->Contains(var.c_str())){
TObjString *name = new TObjString(var.c_str());
unsigned short j(varList->IndexOf(name));
cout << setw(3) << " " << ") Processing variable: " << varStruct[j].name << endl;
if (!isMuon) FastPlotsRun(sel, nsel, leptonFlavor, varStruct[j].name, varStruct[j].log, varStruct[j].decrease, varStruct[j].ESVDkterm, varStruct[j].EBayeskterm, closureTest);
if (isMuon) FastPlotsRun(sel, nsel, leptonFlavor, varStruct[j].name, varStruct[j].log, varStruct[j].decrease, varStruct[j].MuSVDkterm, varStruct[j].MuBayeskterm, closureTest);
}
else{
if (!isMuon) FastPlotsRun(sel, nsel, leptonFlavor, var.c_str(),1,1,5,5);
if (isMuon) FastPlotsRun(sel, nsel, leptonFlavor, var.c_str(),1,1,5,5);
}
}
}
void FastPlotsRun(const int *sel, int nsel, string leptonFlavor, string variable, bool logZ, bool decrease, int SVDkterm, int Bayeskterm, bool closureTest, int JetPtMin, int JetPtMax, bool doFlat, bool doVarWidth)
{
//--- make sure we have trailing "_" at the end of leptonFlavor
if (leptonFlavor == "Muons" || leptonFlavor == "DMu") leptonFlavor = "DMu_";
else if (leptonFlavor == "Electrons" || leptonFlavor == "DE") leptonFlavor = "DE_";
else if (leptonFlavor == "Muon" || leptonFlavor == "SE") leptonFlavor = "SE_";
else if (leptonFlavor == "Electron" || leptonFlavor == "SMu") leptonFlavor = "SMu_";
//--- retrieve the year from current location and set the energy accordingly
string energy = getEnergy();
ostringstream jetPtMin; jetPtMin << JetPtMin;
string outputDirectory = "PNGFiles/FastPlots_" + jetPtMin.str() ;
if (doVarWidth) outputDirectory+= "_VarWidth";
string command = "mkdir -p " + outputDirectory;
system(command.c_str());
outputDirectory += "/";
string outputRootFileName = outputDirectory + leptonFlavor + energy + "_" + variable + "_fastplots";
if (closureTest) outputRootFileName += "_ClosureTest";
if (doVarWidth) outputRootFileName += "_VarWidth";
//string outputTexFileName = outputRootFileName;
outputRootFileName += ".root";
//outputTexFileName += ".tex";
TFile *outputRootFile = new TFile(outputRootFileName.c_str(), "RECREATE");
//ofstream outputTexFile(outputTexFileName.c_str());
//writeHeaderPage(outputTexFile, leptonFlavor, variable);
//-- get data histogram (or MC Even for closure test) ----------------------------
TFile *DataFile = NULL;
if (!closureTest) DataFile = getFile(FILESDIRECTORY, leptonFlavor, energy, ProcessInfo[sel[0]].filename, JetPtMin, JetPtMax, doFlat, doVarWidth, 0, 0, 0, 0, -1, "", "0", false, 0);
else DataFile = getFile(FILESDIRECTORY, leptonFlavor, energy, ProcessInfo[sel[nsel-1]].filename, JetPtMin, JetPtMax, doFlat, doVarWidth, 0, 0, 0, 0, -1, "", "0", false, 0);
TH1D *meas = getHisto(DataFile, variable);
//-- get BG histograms -----------------------------------------------------------
int nBG(nsel-2);
if (closureTest) nBG = 0;
TFile **BG = new TFile*[nBG];
TH1D **hBG = new TH1D*[nBG];
for (int i(0); i < nBG; i++){
BG[i] = getFile(FILESDIRECTORY, leptonFlavor, energy, ProcessInfo[sel[i+1]].filename, JetPtMin, JetPtMax, doFlat, doVarWidth, 0, 0, 0, 0, -1, "", "0", false, 0);
hBG[i] = getHisto(BG[i], variable);
}
TH1D *hSumBG = NULL;
for (int i(0); i < nBG; i++) {
if (i == 0) hSumBG = (TH1D*) hBG[i]->Clone();
else hSumBG->Add(hBG[i]);
}
//--- measSubBG
TH1D *measSubBG = (TH1D*) meas->Clone();
if (!closureTest) measSubBG->Add(hSumBG, -1);
else {
hSumBG = (TH1D*) meas->Clone();
hSumBG->Reset();
}
//-- get MC madgraph histograms (or MC Odd for closure test) ---------------------
TFile *DY = NULL;
if (!closureTest) DY = getFile(FILESDIRECTORY, leptonFlavor, energy, ProcessInfo[sel[nsel-1]].filename, JetPtMin, JetPtMax, doFlat, doVarWidth, 0, 0, 0, 0, -1, "", "0", false, 0);
else DY = getFile(FILESDIRECTORY, leptonFlavor, energy, ProcessInfo[sel[nsel-1]].filename, JetPtMin, JetPtMax, doFlat, doVarWidth, 0, 0, 0, 0, -1, "", "0", false, 0);
TH1D *recoMad = (TH1D*) getHisto(DY, variable);
string genName = "gen" + variable;
TH1D *genMad = NULL;
if (!closureTest) genMad = (TH1D*) DY->Get(genName.c_str());
else genMad = (TH1D*) DY->Get(genName.c_str());
string hrespName = "hresponse" + variable;
TH2D *hresponse = NULL;
hresponse = (TH2D*) DY->Get(hrespName.c_str());
//-- build the repsonse object ------------------------
RooUnfoldResponse *response = (RooUnfoldResponse*) getResp(DY, variable, recoMad, genMad);
response->UseOverflow();
TH1D *MCtruth = (TH1D*) response->Htruth();
TH1D *MCreco = (TH1D*) response->Hmeasured();
TH1D *MCFakes = (TH1D*) response->Hfakes();
outputRootFile->cd();
meas ->Write("DataReco");
measSubBG ->Write("DataMinusBG");
recoMad ->Write("recoMadG");
genMad ->Write("genMadG");
hresponse ->Write("hresponse");
MCtruth ->Write("MCtruth");
MCreco ->Write("MCreco");
MCFakes ->Write("MCFakes");
TH2D *hNormResp = (TH2D*) hresponse->Clone();
normalizeTH2D(hNormResp);
if (!closureTest){
//--- setup for Zjets method
TH1D *recoMadZJ = (TH1D*) recoMad->Clone();
recoMadZJ->Reset();
RooUnfoldResponse *responseZJ = (RooUnfoldResponse*) getResp(DY, variable, recoMadZJ, genMad);
responseZJ->UseOverflow();
TH1D *hFakDYJets = getFakes(recoMad, meas, hSumBG, hresponse);
TH1D *hRecDataMinusFakes = (TH1D*) measSubBG->Clone();
hRecDataMinusFakes->Add(hFakDYJets, -1);
outputRootFile->cd();
hFakDYJets->Write("DataRecoFakes");
//-- draw chi2 between foldUfolded and reco --------------------------------------------------------
TH1D *hUnfData= NULL;
int nIter = UnfoldData(leptonFlavor, "Bayes", Bayeskterm, responseZJ, hRecDataMinusFakes, hUnfData, variable, "");
outputRootFile->cd();
hUnfData->Write();
TH1D *hUnfDataSVD= NULL;
int nIterSVD = UnfoldData(leptonFlavor, "SVD", Bayeskterm, responseZJ, hRecDataMinusFakes, hUnfDataSVD, variable, "");
}
//-- get Powheg histograms -------------------------------------------------------
//TFile *Powheg = getFile(FILESDIRECTORY, leptonFlavor, energy, DYPOWHEGFILENAME, JetPtMin, JetPtMax, doFlat);
//-- get Powheg histograms -------------------------------------------------------
//TFile *Sherpa = getFile(FILESDIRECTORY, leptonFlavor, energy, DYSHERPAFILENAME, JetPtMin, JetPtMax, doFlat);
//-- get TH2D from Powheg -------------------------------------------------------
//RooUnfoldResponse *respPow = (RooUnfoldResponse*) Powheg->Get(respName.c_str());
//TH2D *hRespPow = (TH2D*) respPow->Hresponse();
//-- get TH2D from Sherpa -------------------------------------------------------
//RooUnfoldResponse *respShe = (RooUnfoldResponse*) Sherpa->Get(respName.c_str());
//TH2D *hRespShe = (TH2D*) respShe->Hresponse();
//-- draw normalized response matrix --------------------------------------------
plotHNormResp(hNormResp, leptonFlavor, variable, energy, outputDirectory, outputRootFile, closureTest);
//-- draw Bayes selected kTerm and +/- 1 ----------------------------------------
myplotSelectedMethod2("Bayes", response, genMad, Bayeskterm, meas, hBG, nBG, leptonFlavor, variable, logZ, decrease, outputDirectory, outputRootFile, closureTest, true);
//-- draw chi2 of change --------------------------------------------------------
myplotChi2OfChange(response, Bayeskterm, meas, hBG, nBG, leptonFlavor, variable, energy, outputDirectory, outputRootFile, closureTest);
//-- Bin by bin method ----------------------------------------------------------
myplotSelectedMethod2("BinByBin", response, genMad, 0, meas, hBG, nBG, leptonFlavor, variable, logZ, decrease, outputDirectory, outputRootFile, closureTest, true);
//-- draw SVD selected kTerm and +/- 1 ------------------------------------------
myplotSelectedMethod2("SVD", response, genMad, SVDkterm, meas, hBG, nBG, leptonFlavor, variable, logZ, decrease, outputDirectory, outputRootFile, closureTest, true);
//-- close every files ----------------------------------------------------------
outputRootFile->Close();
closeFile(DataFile);
closeFile(DY);
//closeFile(Powheg);
//closeFile(Sherpa);
for (int i(0); i < nBG; i++) closeFile(BG[i]);
//outputTexFile.close();
TFile *CompareAlgoInFile = new TFile(outputRootFileName.c_str(), "READ");
TH1D *hisUnfBayes = (TH1D*) CompareAlgoInFile->Get("Central");
TH1D *hisUnfSVD = (TH1D*) CompareAlgoInFile->Get("CentralSVD");
TH1D *hisUnfBBB = (TH1D*) CompareAlgoInFile->Get("CentralBinByBin");
TH1D *hisRatBayes = (TH1D*) hisUnfBayes->Clone();
TH1D *hisRatSVD = (TH1D*) hisUnfSVD->Clone();
TH1D *hisRatBBB = (TH1D*) hisUnfBBB->Clone();
for (int i = 1; i <= hisUnfBayes->GetNbinsX(); i++){
if (hisUnfBayes->GetBinContent(i) > 0){
hisRatBayes->SetBinContent( i, 1 );
hisRatBayes->SetBinError ( i, hisUnfBayes->GetBinError(i)/hisUnfBayes->GetBinContent(i) );
hisRatSVD->SetBinContent( i, hisUnfSVD->GetBinContent(i)/hisUnfBayes->GetBinContent(i) );
hisRatSVD->SetBinError ( i, hisUnfSVD->GetBinError(i)/hisUnfBayes->GetBinContent(i) );
hisRatBBB->SetBinContent( i, hisRatBBB->GetBinContent(i)/hisUnfBayes->GetBinContent(i) );
hisRatBBB->SetBinError ( i, hisRatBBB->GetBinError(i)/hisUnfBayes->GetBinContent(i) );
}
else{
hisRatBayes->SetBinContent( i, 0. );
hisRatBayes->SetBinError ( i, 0. );
hisRatSVD->SetBinContent( i, 0. );
hisRatSVD->SetBinError ( i, 0. );
hisRatBBB->SetBinContent( i, 0. );
hisRatBBB->SetBinError ( i, 0. );
}
}
TCanvas *can = new TCanvas("can1", "can1", 500, 300);
can->cd();
can->SetTicks();
can->SetGrid();
hisRatBayes->SetTitle(("Comparison of Unfolding Algorithm for " + variable).c_str());
hisRatBayes->GetYaxis()->SetTitle("Ratio");
hisRatBayes->GetYaxis()->SetRangeUser(0.41,1.59);
hisRatBayes->SetLineColor(kBlack);
hisRatBayes->SetLineWidth(2);
hisRatBayes->SetFillColor(16);
hisRatBayes->SetMarkerColor();
hisRatBayes->SetMarkerStyle();
//hisRatBayes->Draw("E2");
hisRatBayes->Draw("E1");
hisRatBBB->SetFillStyle(1001);
hisRatBBB->SetFillColor(kOrange-2);
hisRatBBB->SetLineColor(kOrange+10);
hisRatBBB->SetLineWidth(2);
hisRatBBB->SetMarkerColor(kOrange+10);
hisRatBBB->SetMarkerStyle(21);
hisRatBBB->SetMarkerSize(0.5);
//hisRatBBB->Draw("E2 same");
hisRatBBB->Draw("E1 same");
hisRatSVD->SetFillStyle(1001);
hisRatSVD->SetFillColor(kBlue-10);
hisRatSVD->SetLineColor(kBlue);
hisRatSVD->SetLineWidth(2);
hisRatSVD->SetMarkerColor(kBlue);
hisRatSVD->SetMarkerStyle(20);
hisRatSVD->SetMarkerSize(0.5);
//hisRatSVD->Draw("E2 same");
hisRatSVD->Draw("E1 same");
TLegend *legend = new TLegend(0.54, 0.75, 0.9, 0.9);
//legend->SetX1(0.44);
//legend->SetY1(0.77);
//legend->SetX2(0.95);
//legend->SetY2(0.98);
//legend->SetTextSize(.034);
legend->SetFillColor(0);
legend->SetFillStyle(1001);
legend->SetBorderSize(1);
legend->AddEntry(hisRatBayes, "Bayes", "PLE");
legend->AddEntry(hisRatSVD, "SVD", "ple");
legend->AddEntry(hisRatBBB, "BinByBin", "ple");
legend->Draw();
string OutDirAlgo = outputDirectory + "CompareAlgo";
string commandOutDirAlgo = "mkdir -p " + OutDirAlgo;
system(commandOutDirAlgo.c_str());
string CompareAlgoOutFileName = OutDirAlgo + "/" + variable + "CompareAlgo.pdf";
can->Print(CompareAlgoOutFileName.c_str());
CompareAlgoInFile->Close();
}
void myplotSelectedMethod2(string method, RooUnfoldResponse *response, TH1D *genMad, int kterm, TH1D *hData, TH1D *hBG[], int nBG, string leptonFlavor, string variable, bool logZ, bool decrease, string outputDirectory, TFile *outputRootFile, bool closureTest, bool save)
{
cout << " Start processing Unfolding using method: " << method << endl;
if (leptonFlavor == "Muons" || leptonFlavor == "DMu") leptonFlavor = "DMu_";
else if (leptonFlavor == "Electrons" || leptonFlavor == "DE") leptonFlavor = "DE_";
else if (leptonFlavor == "Muon" || leptonFlavor == "SE") leptonFlavor = "SE_";
else if (leptonFlavor == "Electron" || leptonFlavor == "SMu") leptonFlavor = "SMu_";
string energy = getEnergy();
if (kterm < 1) kterm = 2;
ostringstream ktermStr; ktermStr << kterm;
TH2D *hResponse = (TH2D*) response->Hresponse();
TH1D *MCreco = (TH1D*) response->Hmeasured();
TH1D *gen = (TH1D*) genMad->Clone();
string yTitle = MCreco->GetXaxis()->GetTitle();
string respTitle = hResponse->GetTitle();
string niceTitle = respTitle.substr(0, respTitle.find("#right"));
niceTitle = niceTitle.substr(niceTitle.find("Response")+9);
if (niceTitle.find("gen") != string::npos) niceTitle = niceTitle.substr(niceTitle.find("gen")+4);
string title = method + " Unfolded Distributions for " + niceTitle + " (kTerm = " + ktermStr.str() + " #pm 1)";
if (closureTest) title += " C.T.";
string name = leptonFlavor + energy + "_" + variable + "_Unfolded_Distribution_" + method;
if (closureTest) name += "_CT";
TH1D *hMeas = (TH1D*) hData->Clone();
int nBins(hMeas->GetNbinsX());
for (int i(0); i < nBG; i++) {
hMeas->Add(hBG[i], -1);
}
TH1D *hUnfoldedC = NULL, *hUnfoldedD = NULL, *hUnfoldedU = NULL;
if (method == "SVD") {
cout << " Unfolding using Center Kterm " << endl;
RooUnfoldSvd unfoldC(response, hMeas, kterm);
unfoldC.SetVerbose(0);
hUnfoldedC = (TH1D*) unfoldC.Hreco();
if (kterm > 1){
cout << " Unfolding using Down Kterm " << endl;
RooUnfoldSvd unfoldD(response, hMeas, kterm - 1);
unfoldD.SetVerbose(0);
hUnfoldedD = (TH1D*) unfoldD.Hreco();
}
else cout << " Impossible to show kterm - 1" << endl;
if (kterm < nBins){
cout << " Unfolding using Up Kterm" << endl;
RooUnfoldSvd unfoldU(response, hMeas, kterm + 1);
unfoldU.SetVerbose(0);
hUnfoldedU = (TH1D*) unfoldU.Hreco();
}
else cout << " Impossible to show kterm + 1" << endl;
}
else if (method == "Bayes") {
cout << " Unfolding using Center Kterm " << endl;
RooUnfoldBayes unfoldC(response, hMeas, kterm);
unfoldC.SetVerbose(0);
hUnfoldedC = (TH1D*) unfoldC.Hreco();
if (kterm > 1){
cout << " Unfolding using Down Kterm " << endl;
RooUnfoldBayes unfoldD(response, hMeas, kterm - 1);
unfoldD.SetVerbose(0);
hUnfoldedD = (TH1D*) unfoldD.Hreco();
}
else cout << " Impossible to show kterm - 1" << endl;
if (kterm < nBins){
cout << " Unfolding using Up Kterm" << endl;
RooUnfoldBayes unfoldU(response, hMeas, kterm + 1);
unfoldU.SetVerbose(0);
hUnfoldedU = (TH1D*) unfoldU.Hreco();
}
else cout << " Impossible to show kterm + 1" << endl;
}
else if (method == "BinByBin"){
RooUnfoldBinByBin unfoldC(response, hMeas);
unfoldC.SetVerbose(0);
hUnfoldedC = (TH1D*) unfoldC.Hreco();
}
// save unfolded histo to root file
if (method == "Bayes") {
outputRootFile->cd();
hMeas->Write("DataSubBG");
hUnfoldedC->Write("Central");
genMad->Write("genMad");
}
else if (method == "SVD") hUnfoldedC->Write("CentralSVD");
else if (method == "BinByBin") hUnfoldedC->Write("CentralBinByBin");
TLatex *cmsColl = new TLatex();
cmsColl->SetTextSize(0.025);
cmsColl->SetTextFont(42);
cmsColl->SetLineWidth(2);
cmsColl->SetTextColor(kBlack);
cmsColl->SetNDC();
cmsColl->SetTextAlign(11);
TLatex *sqrtXTeV = new TLatex();
sqrtXTeV->SetTextSize(0.025);
sqrtXTeV->SetTextFont(42);
sqrtXTeV->SetLineWidth(2);
sqrtXTeV->SetTextColor(kBlack);
sqrtXTeV->SetNDC();
sqrtXTeV->SetTextAlign(21);
TLatex *intLumi = new TLatex();
intLumi->SetTextSize(0.022);
intLumi->SetTextFont(42);
intLumi->SetLineWidth(2);
intLumi->SetTextColor(kBlack);
intLumi->SetNDC();
intLumi->SetTextAlign(31);
TCanvas *canUnfoldedDistribution = new TCanvas(name.c_str(), name.c_str(), 700, 900);
canUnfoldedDistribution->cd();
TPad *pad1 = new TPad("pad1", "pad1", 0, 0.3, 1, 1);
pad1->SetTopMargin(0.11);
pad1->SetBottomMargin(0);
pad1->SetRightMargin(0.04);
pad1->Draw();
pad1->cd();
if (logZ) pad1->SetLogy();
gen->SetTitle(title.c_str());
gen->GetYaxis()->SetTitleOffset(1.4);
gen->SetLineColor(kBlack);
gen->SetLineWidth(2);
gen->SetFillStyle(3003);
gen->SetFillColor(kGray+2);
gen->DrawCopy("HIST");
if (kterm > 1 && method != "BinByBin") {
hUnfoldedD->SetTitle("");
hUnfoldedD->SetMarkerStyle(32);
hUnfoldedD->SetMarkerColor(kRed+1);
hUnfoldedD->SetLineColor(kRed+1);
hUnfoldedD->SetLineWidth(2);
hUnfoldedD->DrawCopy("E1same");
}
if (kterm < nBins && method != "BinByBin") {
hUnfoldedU->SetTitle("");
hUnfoldedU->SetMarkerStyle(26);
hUnfoldedU->SetMarkerColor(kGreen+2);
hUnfoldedU->SetLineColor(kGreen+2);
hUnfoldedU->SetLineWidth(2);
hUnfoldedU->DrawCopy("E1same");
}
hUnfoldedC->SetMarkerStyle(24);
hUnfoldedC->SetMarkerColor(kBlue+1);
hUnfoldedC->SetLineColor(kBlue+1);
hUnfoldedC->SetLineWidth(2);
hUnfoldedC->DrawCopy("E1same");
double xLowLeg(0.76), xHighLeg(0.95);
if (!decrease){
xLowLeg = 0.15;
xHighLeg = 0.34;
}
//=== legend ====//
TLegend *leg = new TLegend(xLowLeg, 0.63, xHighLeg, 0.89);
leg->SetFillStyle(0);
leg->SetBorderSize(0);
if (!closureTest) leg->AddEntry(gen, "MC Gen.", "fl");
else leg->AddEntry(gen, "MC Gen.", "fl");
string legEntry = "kTerm = " + ktermStr.str();
if (method != "BinByBin") {leg->AddEntry(hUnfoldedC, legEntry.c_str(), "pl");}
else if (method == "BinByBin"){leg->AddEntry(hUnfoldedC, "BinByBin", "pl");}
if (kterm < nBins && method != "BinByBin") leg->AddEntry(hUnfoldedU, "kTerm + 1", "pl");
if (kterm > 1 && method != "BinByBin") leg->AddEntry(hUnfoldedD, "kTerm - 1", "pl");
leg->Draw();
//=== end legend ====//
if (!closureTest){
cmsColl->DrawLatex(0.11,0.905, "CMS Preliminary");
if (energy == "7TeV") sqrtXTeV->DrawLatex(0.54,0.905, "#sqrt{s} = 7 TeV");
if (energy == "8TeV") sqrtXTeV->DrawLatex(0.54,0.905, "#sqrt{s} = 8 TeV");
if (energy == "7TeV") intLumi->DrawLatex(0.98,0.91, "#int L dt = 5.05 fb^{-1}");
if (energy == "8TeV") intLumi->DrawLatex(0.98,0.91, "#int L dt = 19.6 fb^{-1}");
}
pad1->Draw();
canUnfoldedDistribution->cd();
TPad *pad2 = new TPad("pad2", "pad2", 0, 0, 1, 0.3);
pad2->SetTopMargin(0);
pad2->SetBottomMargin(0.3);
pad2->SetRightMargin(0.04);
pad2->SetTicks();
pad2->SetGridy();
pad2->Draw();
pad2->cd();
hUnfoldedC->Divide(genMad);
if (kterm > 1 && method != "BinByBin") hUnfoldedD->Divide(genMad);
if (kterm < nBins && method != "BinByBin") hUnfoldedU->Divide(genMad);
hUnfoldedC->SetTitle("");
hUnfoldedC->GetXaxis()->SetTickLength(0.03);
hUnfoldedC->GetXaxis()->SetTitleSize(0.1);
hUnfoldedC->GetXaxis()->SetLabelSize(0.09);
hUnfoldedC->GetXaxis()->SetLabelOffset(0.018);
hUnfoldedC->GetXaxis()->SetTitleOffset(1.2);
hUnfoldedC->GetYaxis()->SetRangeUser(0.51, 1.49);
hUnfoldedC->GetYaxis()->SetNdivisions(5,5,0);
if (!closureTest) {
hUnfoldedC->GetYaxis()->SetTitle("Gen / Unfolded");
hUnfoldedC->GetYaxis()->SetTitleSize(0.1);
hUnfoldedC->GetYaxis()->SetTitleOffset(0.5);
}
else {
hUnfoldedC->GetYaxis()->SetTitle("Gen. / Unf. C.T.");
hUnfoldedC->GetYaxis()->SetTitleSize(0.07);
hUnfoldedC->GetYaxis()->SetTitleOffset(0.7);
}
hUnfoldedC->GetYaxis()->CenterTitle();
hUnfoldedC->GetYaxis()->SetLabelSize(0.08);
for (int j(1); j <= nBins; j++){
double content(hUnfoldedC->GetBinContent(j));
double contentErr(hUnfoldedC->GetBinError(j));
if (content > 0){
hUnfoldedC->SetBinContent(j, 1./content);
hUnfoldedC->SetBinError(j, contentErr/(content * content));
}
if(method != "BinByBin"){
if(kterm > 1){
content = (hUnfoldedD->GetBinContent(j));
contentErr = (hUnfoldedD->GetBinError(j));
if (content > 0){
hUnfoldedD->SetBinContent(j, 1./content);
hUnfoldedD->SetBinError(j, contentErr/(content * content));
}
}
if(kterm < nBins){
content = (hUnfoldedU->GetBinContent(j));
contentErr = (hUnfoldedU->GetBinError(j));
if (content > 0){
hUnfoldedU->SetBinContent(j, 1./content);
hUnfoldedU->SetBinError(j, contentErr/(content * content));
}
}
}
}
hUnfoldedC->DrawCopy("E1");
if (kterm > 1 && method != "BinByBin") hUnfoldedD->DrawCopy("E1same");
if (kterm < nBins && method != "BinByBin") hUnfoldedU->DrawCopy("E1same");
pad2->Draw();
string outputFileNamePNG = outputDirectory + name.c_str() + ".pdf";
if (save){
canUnfoldedDistribution->Print(outputFileNamePNG.c_str());
outputRootFile->cd();
canUnfoldedDistribution->Write();
}
}
void myplotChi2OfChange(RooUnfoldResponse *response, int kterm, TH1D *hData, TH1D *hBG[], int nBG, string leptonFlavor, string variable, string energy, string outputDirectory, TFile *outputRootFile, bool closureTest, bool save)
{
if (leptonFlavor == "Muons" || leptonFlavor == "DMu") leptonFlavor = "DMu_";
else if (leptonFlavor == "Electrons" || leptonFlavor == "DE") leptonFlavor = "DE_";
else if (leptonFlavor == "Muon" || leptonFlavor == "SE") leptonFlavor = "SE_";
else if (leptonFlavor == "Electron" || leptonFlavor == "SMu") leptonFlavor = "SMu_";
TH2D *hResponse = (TH2D*) response->Hresponse();
TH1D *hMeas = (TH1D*) hData->Clone();
int nBins(hMeas->GetNbinsX() );
// not allow this to go futher than kterm = 25
int iterNum = nBins;
if (iterNum > 25) {iterNum = 25;}
for (int i(0); i < nBG; i++){
hMeas->Add(hBG[i], -1);
}
cout << " Start processing Chi2OfChange Plot " << endl;
RooUnfoldBayes unfoldBayesChi2(response, hMeas, iterNum);
unfoldBayesChi2.SetVerbose(0);
TH1D *tmp = (TH1D*) unfoldBayesChi2.Hreco();
//nBins = tmp->GetNbinsX();
TH1D *Chi2OfChange = unfoldBayesChi2.Chi2OfChange;
double hmax(Chi2OfChange->GetMaximum());
double kCont(Chi2OfChange->GetBinContent(kterm));
kCont *= 2;
TArrow *arrow = new TArrow(kterm+0.5, hmax, kterm+0.5, kCont, 0.03, "|>");
arrow->SetAngle(40);
arrow->SetLineWidth(2);
arrow->SetLineColor(kRed+2);
arrow->SetFillColor(kRed+2);
string respTitle = hResponse->GetTitle();
string niceTitle = respTitle.substr(0, respTitle.find("#right"));
niceTitle = niceTitle.substr(niceTitle.find("Response")+9);
if (niceTitle.find("gen") != string::npos) niceTitle = niceTitle.substr(niceTitle.find("gen")+4);
string chi2Title = "#chi^{2} of change for " + niceTitle;
if (closureTest) chi2Title += " C.T.";
string canNameChi2 = leptonFlavor + energy + "_" + variable + "_Chi2";
if (closureTest) canNameChi2 += "_CT";
Chi2OfChange->SetTitle(chi2Title.c_str());
Chi2OfChange->SetLineWidth(3);
Chi2OfChange->SetLineColor(kBlack);
Chi2OfChange->GetXaxis()->SetTitle("kTerm");
Chi2OfChange->GetXaxis()->SetTitleSize(0.04);
Chi2OfChange->GetXaxis()->SetTitleOffset(1.0);
Chi2OfChange->GetYaxis()->SetTitleSize(0.04);
Chi2OfChange->GetYaxis()->SetTitleOffset(1.15);
Chi2OfChange->GetXaxis()->CenterLabels();
Chi2OfChange->GetXaxis()->SetLabelSize(0.1/sqrt(iterNum));
Chi2OfChange->GetXaxis()->SetNdivisions(iterNum, 0, 0);
Chi2OfChange->GetYaxis()->SetTitle("#chi^{2}");
TCanvas *canChi2 = new TCanvas(canNameChi2.c_str(), canNameChi2.c_str(), 700, 700);
canChi2->cd();
canChi2->SetLeftMargin(0.1);
canChi2->SetRightMargin(0.05);
canChi2->SetLogy();
canChi2->SetGrid();
canChi2->SetTicks();
Chi2OfChange->DrawCopy("TEXT60");
arrow->Draw();
string outputFileNamePNG = outputDirectory + canNameChi2 + ".pdf";
if (save){
canChi2->Print(outputFileNamePNG.c_str());
outputRootFile->cd();
canChi2->Write();
}
}
int UnfoldData(const TString lepSel, const TString algo, int svdKterm, RooUnfoldResponse *resp, TH1D *hRecDataMinusFakes, TH1D* &hUnfData, string variable, TString name)
{
//--- make sure we use OverFlow (should already be set to true) ---
resp->UseOverflow();
//--- Set the required unfolding algorithm ---
RooUnfold::Algorithm alg;
if (algo == "Bayes") {
alg = RooUnfold::kBayes;
}
else if (algo == "SVD") {
alg = RooUnfold::kSVD;
}
else {
cerr << "Error: the specified algo: " << algo << " is not implemented!" << endl;
cerr << " I will proceed with kBayes algo" << endl;
alg = RooUnfold::kBayes;
}
std::cout << "-----------------------" << std::endl;
std::cout << "--------- start finding nIter -----------" << std::endl;
string command = "mkdir -p PNGFiles/UnfoldingCheck";
system(command.c_str());
TFile *f = new TFile("PNGFiles/UnfoldingCheck/" + lepSel + "_" + variable + "_" + name + "_" + algo + ".root", "RECREATE");
f->cd();
int finalNIter = -1;
int nIter = 99;
int nBinsTmp = hRecDataMinusFakes->GetNbinsX();
TH1D *hchi2 = new TH1D("hchi2", "hchi2", nBinsTmp, 0.5, nBinsTmp+0.5);
hchi2->SetTitle("#chi^{2}/ndf for reco vs folded-unfolded for " + TString(hRecDataMinusFakes->GetTitle()));
hchi2->GetYaxis()->SetTitle("#chi^{2}/ndf");
hchi2->GetYaxis()->SetTitleOffset(1.40);
hchi2->GetXaxis()->SetTitle(TString("number of iterations of the " + algo + " method"));
hchi2->GetXaxis()->CenterTitle();
hchi2->GetXaxis()->SetNdivisions(nBinsTmp, 0, 0);
hchi2->GetXaxis()->SetLabelSize(0.03);
hchi2->SetLineWidth(2);
for (int i = 1; i <= nBinsTmp; ++i) {
RooUnfoldResponse *respBis = (RooUnfoldResponse*) resp->Clone();
TH1D *hRecDataMinusFakesBis = (TH1D*) hRecDataMinusFakes->Clone();
RooUnfold *RObjectForDataTmp = RooUnfold::New(alg, respBis, hRecDataMinusFakesBis, i);
RObjectForDataTmp->SetVerbose(0);
int nBinsToSkip = (TString(hRecDataMinusFakesBis->GetName()).Index("JetPt_Zinc") > 0) ? 2 : 0;
//cout << "nBinsToSkip " << nBinsToSkip << " " << TString(hRecDataMinusFakesBis->GetName()) << " " << TString(hRecDataMinusFakesBis->GetName()).Index("JetPt_Zinc") << endl;
RObjectForDataTmp->IncludeSystematics(0); // new version of RooUnfold: will compute Cov based on Data Statistics only
std::cout << "niter = " << i << std::endl;
TH1D* hUnfDataBis = (TH1D*) RObjectForDataTmp->Hreco(RooUnfold::kCovariance);
TString tmpName = "Unf" + name + "_";
tmpName += i;
hUnfDataBis->SetName(tmpName);
hUnfDataBis->SetTitle(tmpName);
tmpName = "fol" + name + "_";
tmpName += i;
TH1D *hfoldUnfData = foldUnfData(hUnfDataBis, respBis);
hfoldUnfData->SetName(tmpName);
hfoldUnfData->SetTitle(tmpName);
TH1D *hgen = (TH1D*) respBis->Htruth();
tmpName = "gen" + name + "_";
tmpName += i;
hgen->SetName(tmpName);
hgen->SetTitle(tmpName);
hgen->Write();
TH1D *hfoldgen = foldUnfData(hgen, respBis);
tmpName = "folgen" + name + "_";
tmpName += i;
hfoldgen->SetName(tmpName);
hfoldgen->SetTitle(tmpName);
hfoldgen->Write();
TH1D *hmes = (TH1D*) respBis->Hmeasured();
tmpName = "mes" + name + "_";
tmpName += i;
hmes->SetName(tmpName);
hmes->SetTitle(tmpName);
hmes->Write();
double mychi2 = MyChi2Test(hfoldUnfData, hRecDataMinusFakesBis, nBinsToSkip);
hchi2->SetBinContent(i, mychi2);
if (i==1) hRecDataMinusFakesBis->Write("Unf" + name + "_0");
hUnfDataBis->Write();
hfoldUnfData->Write();
if (mychi2 < 1./sqrt(2) && finalNIter < 0) {
nIter = i;
finalNIter = i;
std::cout << "Will use " << nIter << " iterations with a final Chi2/ndf of: " << mychi2 << std::endl;
//break;
}
}
//nIter = min(nIter, 20);
nIter = min(nIter, nBinsTmp);
nIter = max(nIter, 4);
//nIter = 4;
std::cout << "\n---------------------------------------------------------------------------------------------------------------\n-" << std::endl;
std::cout << " nIter: " << nIter << std::endl;
std::cout << " finalNIter: " << finalNIter << std::endl;
hchi2->GetYaxis()->SetRangeUser(0, max(1.3, 1.1*hchi2->GetMaximum()));
TArrow *arrowChi2 = new TArrow(nIter, min(1.2, hchi2->GetMaximum()), nIter, 0.8, 0.02, "|>");
arrowChi2->SetLineColor(kRed);
arrowChi2->SetFillColor(kRed);
arrowChi2->SetLineWidth(2);
TLine *line = new TLine(0.5, 0.7, nBinsTmp + 0.5, 0.7);
line->SetLineColor(kBlack);
line->SetLineStyle(kDashed);
line->SetLineWidth(2);
TCanvas *chchi2 = new TCanvas("chchi2", "chchi2", 600, 600);
chchi2->cd();
chchi2->SetGrid();
hchi2->DrawCopy();
arrowChi2->Draw();
line->Draw();
hchi2->Write();
chchi2->Write();
chchi2->Print("PNGFiles/UnfoldingCheck/" + lepSel + "_" + variable + "_" + name + "_" + algo + "_chi2.pdf");
RooUnfold *RObjectForDataBinByBin = RooUnfold::New(RooUnfold::kBinByBin, resp, hRecDataMinusFakes);
RObjectForDataBinByBin->SetVerbose(0);
TH1D *hUnfDataBinByBin = (TH1D*) RObjectForDataBinByBin->Hreco(RooUnfold::kCovariance);
hUnfDataBinByBin->SetName("UnfDataBinByBin" + name);
hUnfDataBinByBin->Write();
RooUnfold *RObjectForDataBayes = RooUnfold::New(RooUnfold::kBayes, resp, hRecDataMinusFakes, nIter);
RObjectForDataBayes->SetVerbose(0);
TH1D *hUnfDataBayes = (TH1D*) RObjectForDataBayes->Hreco(RooUnfold::kCovariance);
hUnfDataBayes->SetName("UnfDataBayes" + name);
hUnfDataBayes->Write();
/*
for (int i(1); i <= nBinsTmp; i++) {
RooUnfold *RObjectForDataSVD = RooUnfold::New(RooUnfold::kSVD, resp, hRecDataMinusFakes, i);
TH1D *hUnfDataSVD = (TH1D*) RObjectForDataSVD->Hreco(RooUnfold::kCovariance);
hUnfDataSVD->SetName("UnfDataSVD_" + TString::Format("%d", i) + "_" + name);
hUnfDataSVD->Write();
}
TSVDUnfold *unfoldTSVD = new TSVDUnfold(hRecDataMinusFakes, (TH1D*)resp->Htruth(), (TH1D*)resp->Hmeasured(), (TH2D*)resp->Hresponse());
TH1D *unfresult = (TH1D*) unfoldTSVD->Unfold(1);
TH1D *hmodDOriginal = (TH1D*) unfoldTSVD->GetD();
TH1D *hSV = (TH1D*) unfoldTSVD->GetSV();
TH1D *hmodD = new TH1D("hmodD", "hmodD", nBinsTmp, 0.5, nBinsTmp+0.5);
for (int i(0); i <= nBinsTmp+1; i++) {
hmodD->SetBinContent(i, hmodDOriginal->GetBinContent(i));
}
hmodD->SetTitle(hmodDOriginal->GetTitle() + TString(" for ") + TString(hRecDataMinusFakes->GetTitle()));
hmodD->GetXaxis()->SetNdivisions(nBinsTmp, 0, 0);
hmodD->GetXaxis()->SetLabelSize(0.03);
hmodD->GetYaxis()->SetTitle("|d_{i}|");
hmodD->GetYaxis()->SetTitleOffset(1.40);
hmodD->GetXaxis()->SetTitle("regularization parameter of the SVD method");
hmodD->GetXaxis()->CenterTitle();
TArrow *arrowSvd = new TArrow(svdKterm, 20, svdKterm, 1.1*hmodD->GetBinContent(svdKterm), 0.02, "|>");
arrowSvd->SetLineColor(kRed);
arrowSvd->SetFillColor(kRed);
arrowSvd->SetLineWidth(2);
hmodD->SetName("modD" + name);
TCanvas *chmodD = new TCanvas("chmodD", "chmodD", 600, 600);
chmodD->cd();
chmodD->SetGrid();
chmodD->SetLogy();
hmodD->DrawCopy();
arrowSvd->Draw();
chmodD->Write();
hmodD->Write();
*/
f->Close();
std::cout << "\n---------------------------------------------------------------------------------------------------------------\n-" << std::endl;
//--- Unfold data minus background ---
RooUnfold *RObjectForData = RooUnfold::New(alg, resp, hRecDataMinusFakes, svdKterm);
RObjectForData->SetVerbose(0);
//--- get the unfolded result ---
RObjectForData->IncludeSystematics(0); // new version of RooUnfold: will compute Cov based on Data Statistics only
hUnfData = (TH1D*) RObjectForData->Hreco(RooUnfold::kCovariance);
hUnfData->SetName("UnfData" + name);
hUnfData->SetTitle(hRecDataMinusFakes->GetTitle());
return nIter;
}
double MyChi2Test(TH1D *h1, TH1D *h2, int nBinsToSkip)
{
TH1D *h1Copy = (TH1D*) h1->Clone();
TH1D *h2Copy = (TH1D*) h2->Clone();
for (int i = 0; i <= nBinsToSkip; ++i) {
h1Copy->SetBinContent(i, 0.0);
h2Copy->SetBinContent(i, 0.0);
}
return h1Copy->Chi2Test(h2Copy, "WW,P,CHI2/NDF");
}
TH1D* foldUnfData(TH1D *hUnfData, RooUnfoldResponse *hresp)
{
TH1D *hfoldUnfData = (TH1D*) hUnfData->Clone();
RooUnfoldResponse *resp = (RooUnfoldResponse*) hresp->Clone();
TH2D *hres = (TH2D*) resp->Hresponse();
TH1D *hgen = (TH1D*) resp->Htruth();
int nBins = hfoldUnfData->GetNbinsX();
for (int i = 0; i <= nBins; ++i) {
double totGen = hgen->GetBinContent(i);
for (int j = 0; j <= nBins; ++j) {
if (totGen != 0.0) {
hres->SetBinContent(j, i, hres->GetBinContent(j, i)/totGen);
hres->SetBinError(j, i, hres->GetBinError(j, i)/totGen);
hres->SetBinError(j, i, 0.0);
}
else {
hres->SetBinContent(i, j, 0);
hres->SetBinError(i, j, hres->GetBinError(i, j));
hres->SetBinError(i, j, 0.0);
}
}
}
for (int i = 0; i <= nBins; ++i) {
double sum = 0.0;
double error2 = 0.0;
for (int j = 0; j <= nBins; ++j) {
sum += hres->GetBinContent(i, j) * hUnfData->GetBinContent(j);
error2 += pow(hres->GetBinContent(i, j) * hUnfData->GetBinError(j), 2);
}
hfoldUnfData->SetBinContent(i, sum);
hfoldUnfData->SetBinError(i, sqrt(error2));
}
return hfoldUnfData;
}
TH1D* getFakes(TH1D *hRecDYJets, TH1D *hRecData, TH1D *hRecSumBg, TH2D *hResDYJets)
{
string variable = hRecData->GetName(); //cout << " Get Fakes: " << variable << endl;
TH1D *hFakDYJets = (TH1D*) hRecDYJets->Clone();
int sm= hRecDYJets->GetSumw2N();
int s = hResDYJets->GetSumw2N();
int nm = hResDYJets->GetNbinsX() + 2;
int nt = hResDYJets->GetNbinsY() + 2;
double dyIntegral = hRecDYJets->Integral(0, hRecDYJets->GetNbinsX()+1);
double dataIntegral = hRecData->Integral(0, hRecData->GetNbinsX()+1);
double bgIntegral = hRecSumBg->Integral(0, hRecSumBg->GetNbinsX()+1);
for (int i= 0; i<nm; i++) {
double nmes= 0.0, wmes= 0.0;
for (int j= 0; j<nt; j++) {
nmes += hResDYJets->GetBinContent(i, j);
if (s) wmes += pow(hResDYJets->GetBinError(i, j), 2);
}
double fake = hRecDYJets->GetBinContent(i) - nmes;
if (variable == "ZNGoodJets_Zinc") {
dyIntegral = hRecDYJets->GetBinContent(i);
dataIntegral = hRecData->GetBinContent(i);
bgIntegral = hRecSumBg->GetBinContent(i);
}
double factor = dyIntegral;
if (factor != 0) factor = (dataIntegral - bgIntegral) / factor;
if (!s) wmes= nmes;
hFakDYJets->SetBinContent (i, factor*fake);
hFakDYJets->SetBinError (i, sqrt (wmes + (sm ? pow(hRecDYJets->GetBinError(i),2) : hRecDYJets->GetBinContent(i))));
}
hFakDYJets->SetEntries (hFakDYJets->GetEffectiveEntries()); // 0 entries if 0 fakes