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Comparing UserCode/cbrown/AnalysisFramework/Plotting/Modules/Systematics.C (file contents):
Revision 1.1 by buchmann, Fri Jul 15 10:40:43 2011 UTC vs.
Revision 1.32 by buchmann, Tue Sep 20 12:17:24 2011 UTC

#	Line 1 | Line 1
1		#include <iostream>
2		#include <vector>
3		#include <sys/stat.h>
4	+	#include <algorithm>
5	+	#include <cmath>
6
7		#include <TMath.h>
8		#include <TColor.h>
#	Line 15 | Line 17
17		#ifndef Verbosity
18		#define Verbosity 0
19		#endif
18	–	#ifndef HUSH
19	–	#define HUSH 1
20	–	#endif
20
21		#include <TFile.h>
22		#include <TTree.h>
#	Line 37 | Line 36 | Float_t jzbMax =  243;
36		Float_t jzbSel =  100;
37		int iplot=0;
38		int verbose=0;
39	+	string geqleq;
40	+	string mcjzbexpression;
41	+	bool automatized=false;//if we're running this fully automatized we don't want each function to flood the screen
42	+
43	+	TString geq_or_leq() {
44	+	if(geqleq=="geq") return TString(">=");
45	+	if(geqleq=="leq") return TString("<=");
46	+	return TString("GEQ_OR_LEQ_ERROR");
47	+	}
48	+
49	+	TString ngeq_or_leq() {
50	+	if(geqleq=="geq") return TString("<=");
51	+	if(geqleq=="leq") return TString(">=");
52	+	return TString("NGEQ_OR_LEQ_ERROR");
53	+	}
54
55		//______________________________________________________________________________
56		Double_t Interpolate(Double_t x, TH1 *histo)
#	Line 69 | Line 83 | Double_t Interpolate(Double_t x, TH1 *hi
83		}
84		}
85
86	+	//____________________________________________________________________________________
87	+	// Plotting with all contributions, i.e. sidebands, peak, osof,ossf ... (for a systematic)
88	+	float allcontributionsplot(TTree* events, TCut kBaseCut, TCut kMassCut, TCut kSidebandCut, TCut JZBPosCut, TCut JZBNegCut) {
89	+	iplot++;
90	+	int count=iplot;
91	+	// Define new histogram
92	+	string hname=GetNumericHistoName();
93	+	TH1F* hossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
94	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSSF,"goff");
95	+	hname=GetNumericHistoName();
96	+	TH1F* hossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
97	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSSF,"goff");
98	+
99	+	hname=GetNumericHistoName();
100	+	TH1F* hosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
101	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSOF,"goff");
102	+	hname=GetNumericHistoName();
103	+	TH1F* hosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
104	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSOF,"goff");
105	+
106	+	hname=GetNumericHistoName();
107	+	TH1F* sbhossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
108	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSSF,"goff");
109	+	hname=GetNumericHistoName();
110	+	TH1F* sbhossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
111	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSSF,"goff");
112	+
113	+	hname=GetNumericHistoName();
114	+	TH1F* sbhosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
115	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSOF,"goff");
116	+	hname=GetNumericHistoName();
117	+	TH1F* sbhosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
118	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSOF,"goff");
119	+
120	+	float obs = hossfp->Integral();
121	+	float pred= hossfn->Integral() + (1.0/3)*( hosofp->Integral() - hosofn->Integral() + sbhossfp->Integral() - sbhossfn->Integral() + sbhosofp->Integral() - sbhosofn->Integral());
122	+
123	+	delete hossfp,hossfn,hosofp,hosofn;
124	+	delete sbhossfp,sbhossfn,sbhosofp,sbhosofn;
125	+	return obs-pred;
126	+	}
127	+
128
129		//____________________________________________________________________________________
130		// Efficiency plot
#	Line 81 | Line 137 | TH1F* plotEff(TTree* events, TCut kbase,
137		nBins,jzbMin,jzbMax);
138		Float_t step = (jzbMax-jzbMin)/static_cast<Float_t>(nBins);
139
140	<	events->Draw("jzb[1]","genJZBSel>-400"&&kbase,"goff");
140	>	events->Draw(mcjzbexpression.c_str(),"genJZB>-400"&&kbase,"goff");
141		Float_t maxEff = events->GetSelectedRows();
142	<	if(verbose>0) std::cout << hname << " (" << informalname <<") " << maxEff <<  std::endl;
142	>	if(verbose>0) dout << hname << " (" << informalname <<") " << maxEff <<  std::endl;
143
144	<	if(verbose>0) std::cout <<  "JZB max = " << jzbMax << std::endl;
144	>	if(verbose>0) dout <<  "JZB max = " << jzbMax << std::endl;
145		// Loop over steps to get efficiency curve
146		char cut[256];
147		for ( Int_t iBin = 0; iBin<nBins; ++iBin ) {
148	<	sprintf(cut,"genJZBSel>%3f",jzbMin+iBin*step);
149	<	events->Draw("jzb[1]",TCut(cut)&&kbase,"goff");
148	>	sprintf(cut,"genJZB>%3f",jzbMin+iBin*step);
149	>	events->Draw(mcjzbexpression.c_str(),TCut(cut)&&kbase,"goff");
150		Float_t eff = static_cast<Float_t>(events->GetSelectedRows())/maxEff;
151	<	//     std::cout << "COUCOU " << __LINE__ << std::endl;
151	>	//     dout << "COUCOU " << __LINE__ << std::endl;
152		hJzbEff->SetBinContent(iBin+1,eff);
153		hJzbEff->SetBinError(iBin+1,TMath::Sqrt(eff*(1-eff)/maxEff));
154		}
#	Line 103 | Line 159 | TH1F* plotEff(TTree* events, TCut kbase,
159
160
161		//________________________________________________________________________________________
162	+	// Master Formula
163	+	void master_formula(std::vector<float> eff, float &errHi, float &errLo) {
164	+
165	+	float x0 = eff[0];
166	+	float deltaPos = 0, deltaNeg = 0;
167	+	for(int k = 0; k < (eff.size()-1)/2; k++) {
168	+	float xneg = eff[2*k+2];
169	+	float xpos = eff[2*k+1];
170	+	if(xpos-x0>0 || xneg-x0>0) {
171	+	if(xpos-x0 > xneg-x0) {
172	+	deltaPos += (xpos-x0)*(xpos-x0);
173	+	} else {
174	+	deltaPos += (xneg-x0)*(xneg-x0);
175	+	}
176	+	}
177	+	if(x0-xpos>0 || x0-xneg>0) {
178	+	if(x0-xpos > x0-xneg) {
179	+	deltaNeg += (xpos-x0)*(xpos-x0);
180	+	} else {
181	+	deltaNeg += (xneg-x0)*(xneg-x0);
182	+	}
183	+	}
184	+	}
185	+	errHi = sqrt(deltaPos);
186	+	errLo = sqrt(deltaNeg);
187	+
188	+	}
189	+
190	+
191	+	//________________________________________________________________________________________
192	+	// Get normalization factor for the PDFs
193	+	float get_norm_pdf_factor(TTree *events, int k) {
194	+
195	+	TH1F *haux = new TH1F("haux", "", 10000, 0, 5);
196	+	char nameVar[20];
197	+	sprintf(nameVar, "pdfW[%d]", k);
198	+	events->Project("haux", nameVar);
199	+	float thisW = haux->Integral();
200	+	events->Project("haux", "pdfW[0]");
201	+	float normW = haux->Integral();
202	+
203	+	float factor=thisW/normW;
204	+
205	+	delete haux;
206	+
207	+	return factor;
208	+
209	+	}
210	+
211	+
212	+
213	+	//________________________________________________________________________________________
214		// Pile-up efficiency
215	<	float pileup(TTree *events, string informalname, Float_t myJzbMax = 140. ) {
215	>	float pileup(TTree *events, bool requireZ, string informalname, string addcut="",Float_t myJzbMax = 140. ) {
216		nBins = 16;
217		jzbMax = myJzbMax;
218
219		// Acceptance cuts
220	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPtSel>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
220	>	TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
221	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
222
223	+	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
224		TH1F* hLM4 = plotEff(events,kbase,informalname);
225		hLM4->SetMinimum(0.);
226
#	Line 123 | Line 233 | float pileup(TTree *events, string infor
233		// Pimped-up function
234		TF1* funcUp = (TF1*)func->Clone();
235		funcUp->SetParameter( 0., func->GetParameter(0)/1.1); // 10% systematic error (up in sigma => 0.1 in erfc)
236	<	std::cout << "  PU: " << funcUp->Eval(jzbSel) << " " <<  func->Eval(jzbSel)
236	>	if(!automatized) dout << "  PU: " << funcUp->Eval(jzbSel) << " " <<  func->Eval(jzbSel)
237		<< "(" << (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel)*100. << "%)" << std::endl;
238
239	<	return (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel)*100.;
239	>	return (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel);
240
241		}
242
243		//____________________________________________________________________________________
244	+	// Effect of peak shifting
245	+	void PeakError(TTree *events,float &result, string mcjzb, float peakerr,string addcut="") {
246	+	TString peakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
247	+	TString peakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
248	+	TString peakcentral("("+TString(mcjzb)+")"+geq_or_leq()+TString(any2string(jzbSel)));
249	+	TString npeakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
250	+	TString npeakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
251	+	TString npeakcentral("("+TString(mcjzb)+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
252	+
253	+	nBins = 1;
254	+	string informalname="PeakErrorCalculation";
255	+	float resup,resdown,rescent;
256	+	for(int i=0;i<3;i++) {
257	+	string poscut,negcut;
258	+	if(i==0) {
259	+	poscut=peakcentral;
260	+	negcut=npeakcentral;
261	+	} else if(i==1) {
262	+	poscut=peakdown;
263	+	negcut=npeakdown;
264	+	} else if(i==2) {
265	+	poscut=peakup;
266	+	negcut=npeakup;
267	+	}
268	+	float res;
269	+	if(addcut=="") res=allcontributionsplot(events,cutnJets,cutmass,sidebandcut,poscut.c_str(),negcut.c_str());
270	+	else res=allcontributionsplot(events,cutnJets&&addcut.c_str(),cutmass,sidebandcut,poscut.c_str(),negcut.c_str());
271	+	if(i==0) rescent=res;
272	+	else if(i==1) resdown=res;
273	+	else if(i==2) resup=res;
274	+	}
275	+	if(TMath::Abs(rescent-resup)>TMath::Abs(rescent-resdown)) result=(TMath::Abs(rescent-resup)/rescent);
276	+	else result=(TMath::Abs(rescent-resdown)/rescent);
277	+	}
278	+
279	+	//____________________________________________________________________________________
280		// Total selection efficiency (MC)
281	<	void MCefficiency(TTree *events,float &res, float &reserr) {
281	>	void MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) {
282
283		char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel);
284		// All acceptance cuts at gen. level
285	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPt>0&&genJZB>"+TString(jzbSelStr)+"&&genId1==-genId2");
285	>	//TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
286	>	TCut kbase("");
287	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
288	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
289		// Corresponding reco. cuts
290	<	TCut ksel("abs(mll-91.2)<20&&id1==id2&&jzb[1]+0.9>"+TString(jzbSelStr));
291	<
292	<	events->Draw("jzb[1]",kbase&&ksel,"goff");
293	<	Float_t sel = events->GetSelectedRows();
294	<	events->Draw("jzb[1]",kbase,"goff");
295	<	Float_t tot = events->GetSelectedRows();
296	<
297	<	res=sel/tot;
298	<	reserr=TMath::Sqrt(sel/tot*(1-sel/tot)/tot);
299	<	std::cout << "  MC efficiency: " << res << "+-" << reserr << std::endl;
290	>	TCut ksel("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
291	>	TCut ksel2("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
292	>	TCut posSide = kbase&&ksel;
293	>	TCut negSide = kbase&&ksel2;
294	>	string sposSide(posSide);
295	>	string snegSide(negSide);
296	>	char var[20];
297	>	sprintf(var, "pdfW[%d]", k);
298	>	string svar(var);
299	>	string newPosSide = "(" + sposSide + ")*" + svar;
300	>	string newNegSide = "(" + snegSide + ")*" + svar;
301	>
302	>	TH1F *effh= new TH1F("effh","effh",1,-14000,14000);
303	>	if(k>=0)events->Draw((mcjzbexpression+">>effh").c_str(), newPosSide.c_str(),"goff");
304	>	else events->Draw((mcjzbexpression+">>effh").c_str(), sposSide.c_str(),"goff");
305	>	Float_t sel = effh->Integral();
306	>	Float_t nsel=0;
307	>	if(ConsiderSignalContaminationForLimits) {
308	>	if(k>=0)events->Draw((mcjzbexpression+">>effh").c_str(), newNegSide.c_str(),"goff");
309	>	else events->Draw((mcjzbexpression+">>effh").c_str(), snegSide.c_str(),"goff");
310	>	nsel = effh->Integral();
311	>	}
312	>	//Corrections due to normalization in the PDF. This has to be applied as well to the number of events in a file if the definition changes at some point.
313	>	float normFactor = 1;
314	>	if(k>=0) get_norm_pdf_factor(events, k);
315	>	sel = sel/normFactor;
316	>	nsel = nsel/normFactor;
317	>
318	>	//      events->Draw(mcjzbexpression.c_str(),kbase,"goff");
319	>	//      Float_t tot = events->GetSelectedRows();
320	>	Float_t tot = Neventsinfile;
321	>
322	>	if(ConsiderSignalContaminationForLimits) {
323	>	result=(sel-nsel)/tot;
324	>	resulterr=(1.0/tot)*TMath::Sqrt(sel+nsel+(sel-nsel)*(sel-nsel)/tot);
325	>	} else {//no signal contamination considered:
326	>	result=(sel)/tot;
327	>	resulterr=TMath::Sqrt(sel/tot*(1+sel/tot)/tot);
328	>	}
329	>	if(!automatized && k>0 ) dout << "PDF assessment: ";
330	>	if(!automatized) dout << "  MC efficiency: " << result << "+-" << resulterr << "  ( JZB>" << jzbSel << " : " << sel << " , JZB<-" << jzbSel << " : " << nsel << " and nevents=" << tot << ") with normFact=" << normFactor << std::endl;
331	>	delete effh;
332	>	}
333	>
334	>
335	>	//____________________________________________________________________________________
336	>	// Selection efficiency for one process (MC)
337	>	vector<float> processMCefficiency(TTree *events,string mcjzb,bool requireZ,int Neventsinfile, string addcut) {
338	>	vector<float> process_efficiencies;
339	>	for(int iprocess=0;iprocess<=10;iprocess++) {
340	>	float this_process_efficiency,efferr;
341	>	stringstream addcutplus;
342	>	addcutplus<<addcut<<"&&(process=="<<iprocess<<")";
343	>	MCefficiency(events,this_process_efficiency, efferr,mcjzb,requireZ,Neventsinfile, addcutplus.str(),-1);
344	>	process_efficiencies.push_back(this_process_efficiency);
345	>	}
346	>	return process_efficiencies;
347		}
348	+
349
350	<	float JZBefficiency(TTree *events, string informalname) {
351	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
350	>	void JZBefficiency(TTree *events, string informalname, float &jzbeff, float &jzbefferr, bool requireZ, string addcut="") {
351	>	TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
352	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
353	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
354		TH1F* hLM4 = plotEff(events,kbase,informalname);
355		Int_t bin = hLM4->FindBin(jzbSel); // To get the error
356	<	std::cout << "  Efficiency at JZB==" << jzbSel  << std::endl;
357	<	std::cout << "    " << Interpolate(jzbSel,hLM4) << "+-" << hLM4->GetBinError(bin)  << std::endl;
358	<	return -1;
356	>	jzbeff=Interpolate(jzbSel,hLM4);
357	>	jzbefferr=hLM4->GetBinError(bin);
358	>	if(!automatized) dout << "  Efficiency at JZB==" << jzbSel  << std::endl;
359	>	if(!automatized) dout << "    " << jzbeff << "+-" << jzbefferr  << std::endl;
360		}
361
362		//________________________________________________________________________
363		// Effect of energy scale on efficiency
364	<	void JZBjetScale(TTree *events, float &jesdown, float &jesup, string informalname="",float syst=0.1, Float_t jzbSelection=-1, TString plotName = "" ) {
365	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPt>0");
364	>	void JZBjetScale(TTree *events, float &jesdown, float &jesup, string informalname,bool requireZ,string addcut="",float syst=0.1, Float_t jzbSelection=-1, TString plotName = "" ) {
365	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0");
366	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
367	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
368	>
369		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
370		TCut nJets("pfJetGoodNum>2");
371		stringstream down,up;
#	Line 172 | Line 375 | void JZBjetScale(TTree *events, float &j
375		TCut nJetsP(up.str().c_str());
376		TCut nJetsM(down.str().c_str());
377
175	–	if ( jzbSelection>0 ) jzbSel = jzbSelection;
176	–
378		if ( !(plotName.Length()>1) ) plotName = informalname;
379
380		nBins = 1; jzbMin = jzbSel*0.95; jzbMax = jzbSel*1.05;
#	Line 187 | Line 388 | void JZBjetScale(TTree *events, float &j
388		Float_t eff  = Interpolate(jzbSel,hist);
389		Float_t effp = Interpolate(jzbSel,histp);
390		Float_t effm = Interpolate(jzbSel,histm);
391	<	std::cout << "  Efficiency at JZB==" << jzbSel  << std::endl;
392	<	std::cout << "    JESup: " << effp << " (" << (effp-eff)/eff*100. << "%)" << std::endl;
393	<	std::cout << "    central:  " << eff << std::endl;
394	<	std::cout << "    JESdown: " << effm << " (" << (effm-eff)/eff*100. << "%)" << std::endl;
395	<	jesup=(effp-eff)/eff*100.;
396	<	jesdown=(effm-eff)/eff*100.;
391	>	if(!automatized) dout << "  Efficiency at JZB==" << jzbSel  << std::endl;
392	>	if(!automatized) dout << "    JESup: " << effp << " (" << (effp-eff)/eff*100. << "%)" << std::endl;
393	>	if(!automatized) dout << "    central:  " << eff << std::endl;
394	>	if(!automatized) dout << "    JESdown: " << effm << " (" << (effm-eff)/eff*100. << "%)" << std::endl;
395	>	jesup=(effp-eff)/eff;
396	>	jesdown=(effm-eff)/eff;
397		}
398
399		//________________________________________________________________________
400		// Effect of energy scale on JZB efficiency
401	<	void doJZBscale(TTree *events, float &down, float &up, float &syst, float systematic, string informalname) {
401	>	void doJZBscale(TTree *events, float &down, float &up, float &syst, float systematic, string informalname, bool requireZ, string addcut) {
402
403	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPt>0&&pfJetGoodNum>2");
403	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0&&genNjets>2");
404	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
405	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
406		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
407
408		nBins =    50;
#	Line 212 | Line 415 | void doJZBscale(TTree *events, float &do
415		Float_t eff  = Interpolate(jzbSel,hist);
416		Float_t effp = Interpolate(jzbSel*(1.+systematic),hist);
417		Float_t effm = Interpolate(jzbSel*(1.-systematic),hist);
418	<	std::cout << "  efficiency at JZB==" << jzbSel*(1.+systematic)  << "(-"<<syst*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)"  << std::endl;
419	<	std::cout << "  efficiency at JZB==" << jzbSel  << ": " << eff << std::endl;
420	<	std::cout << "  efficiency at JZB==" << jzbSel*(1.-systematic)  << "(-"<<syst*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)"  << std::endl;
421	<	up=((effp-eff)/eff)*100;
422	<	down=((effm-eff)/eff)*100;
418	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel*(1.+systematic)  << "(-"<<syst*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)"  << std::endl;
419	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel  << ": " << eff << std::endl;
420	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel*(1.-systematic)  << "(-"<<syst*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)"  << std::endl;
421	>	up=((effp-eff)/eff);
422	>	down=((effm-eff)/eff);
423		}
424
425		//________________________________________________________________________
426		// JZB response (true/reco. vs. true)
427	<	void JZBresponse(TTree *events, bool isMET = kFALSE, Float_t myJzbMax = 200., Int_t nPeriods = 9 ) {
427	>	void JZBresponse(TTree *events, bool requireZ, float &resp, float &resperr, string addcut="",bool isMET = kFALSE, Float_t myJzbMax = 200., Int_t nPeriods = 9 ) {
428
429		jzbMin = 20;
430	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPtSel>0&&pfJetGoodNum>2");
430	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0&&genNjets>2");
431	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
432	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
433		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
434
435	<	TProfile* hJzbResp = new TProfile("hJzbResp","JZB response  ; JZB true (GeV/c); JZB reco. / JZB true",
231	<	nPeriods, jzbMin, myJzbMax, "" );
435	>	TProfile* hJzbResp = new TProfile("hJzbResp","JZB response  ; JZB true (GeV/c); JZB reco. / JZB true", nPeriods, jzbMin, myJzbMax, "" );
436
437	<	if (!isMET) events->Project("hJzbResp","jzb[1]/genJZBSel:genJZBSel",kbase&&ksel);
437	>	if (!isMET) events->Project("hJzbResp","("+TString(mcjzbexpression)+")/genJZB:genJZB",kbase&&ksel);
438		else events->Project("hJzbResp","met[4]/genMET:genMET",kbase&&ksel);
439
440		hJzbResp->SetMaximum(1.2);
441		hJzbResp->SetMinimum(0.2);
442		hJzbResp->Fit("pol0","Q");
443		TF1 *fittedfunction = hJzbResp->GetFunction("pol0");
444	<	cout << "  Response: " << fittedfunction->GetParameter(0) << " +/- " << fittedfunction->GetParError(0) << endl;
444	>	if(!fittedfunction) {
445	>	// in case there are not enough points passing our selection
446	>	cout << "OOPS response function invalid, assuming 100% error !!!!" << endl;
447	>	resp=1;
448	>	resperr=1;
449	>	} else {
450	>	resp=fittedfunction->GetParameter(0);
451	>	resperr=fittedfunction->GetParError(0);
452	>	if(!automatized) dout << "  Response: " << resp << " +/- " << resperr << endl;
453	>	}
454	>	delete hJzbResp;
455		}
456
457
458	<	void do_systematics_for_one_file(TTree *events,string informalname, vector<vector<float> > &uncertainties) {
458	>	//________________________________________________________________________________________
459	>	// PDF uncertainty
460	>	float get_pdf_uncertainty(TTree *events, string mcjzb, bool requireZ, int Neventsinfile, int NPdfs, string addcut="") {
461	>	std::vector<float> efficiency;
462	>	for(int k = 1; k < NPdfs; k++) {
463	>	float result, resulterr;
464	>	MCefficiency(events, result, resulterr, mcjzb, requireZ, Neventsinfile, addcut, k);
465	>	efficiency.push_back(result);
466	>	}
467	>	float errHi, errLow,err;
468	>	master_formula(efficiency, errHi, errLow);
469	>	err=errLow;
470	>	if(errHi>errLow) err=errHi;
471	>	if(!automatized) dout << "  Uncertainty from PDF: " << errLow << " (low) and " << errHi << "(high) ---> Picked " << err << endl;
472	>	return err;
473	>
474	>	}
475	>
476	>	int get_npdfs(TTree *events) {
477	>	int NPDFs;
478	>	events->SetBranchAddress("NPdfs",&NPDFs);
479	>	events->GetEntry(1);
480	>	return NPDFs;
481	>	}
482
483	+
484	+	void do_systematics_for_one_file(TTree *events,int Neventsinfile,string informalname, vector<vector<float> > &results,string mcjzb,string datajzb,float peakerror,bool requireZ=false, string addcut="", bool ismSUGRA=false) {
485		float JetEnergyScaleUncert=0.1;
486		float JZBScaleUncert=0.1;
487	+	mcjzbexpression=mcjzb;
488	+	float triggereff=5.0/100;// in range [0,1]
489	+	dout << "Trigger efficiency not implemented in this script  yet, still using external one" << endl;
490	+	float leptonseleff=2.0/100;// in range [0,1]
491	+	leptonseleff=TMath::Sqrt(leptonseleff*leptonseleff+leptonseleff*leptonseleff); // because the 2% is per lepton
492	+	dout << "Lepton selection efficiency not implemented in this script  yet, still using external one" << endl;
493
494	<	float triggereff=4;//percent!
495	<	cout << "Trigger efficiency not implemented in this script  yet, still using external one" << endl;
251	<	float leptonseleff=2;//percent!
252	<	cout << "Lepton selection efficiency not implemented in this script  yet, still using external one" << endl;
494	>	int NPdfs=0;
495	>	if(ismSUGRA) NPdfs = get_npdfs(events);
496
497	<	float mceff,mcefferr;
498	<	cout << "MC efficiencies:" << endl;
499	<	MCefficiency(events,mceff,mcefferr);
500	<	JZBefficiency(events,informalname);
497	>	float mceff,mcefferr,jzbeff,jzbefferr;
498	>	if(!automatized) dout << "MC efficiencies:" << endl;
499	>	MCefficiency(events,mceff,mcefferr,mcjzb,requireZ,Neventsinfile,addcut,-1);
500	>	if(PlottingSetup::computeJZBefficiency) JZBefficiency(events,informalname,jzbeff,jzbefferr,requireZ,addcut);
501	>	if(!automatized) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << endl;
502
503	<	std::cout << "Jet energy scale: " << std::endl;
503	>	if(!automatized) dout << "Error from Peak position:" << endl;
504	>	float sysfrompeak=0;
505	>	PeakError(events,sysfrompeak,mcjzb,peakerror,addcut);
506	>
507	>	if(!automatized) dout << "Jet energy scale: " << std::endl;
508		float jesup,jesdown;
509	<	JZBjetScale(events,jesdown,jesup,informalname,JetEnergyScaleUncert);
509	>	JZBjetScale(events,jesdown,jesup,informalname,requireZ,addcut,JetEnergyScaleUncert);
510
511	<	std::cout << "JZB scale: " << std::endl;
511	>	if(!automatized) dout << "JZB scale: " << std::endl;
512		float scaleup,scaledown,scalesyst;
513	<	doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname);
513	>	doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname,requireZ,addcut);
514
515	<	std::cout << "JZB response: " << std::endl;
516	<	JZBresponse(events);
517	<
518	<	std::cout << "Pileup: " << std::endl;
519	<	float resolution=pileup(events,informalname);
515	>	if(!automatized) dout << "JZB response: " << std::endl;
516	>	float resp,resperr;
517	>	if(PlottingSetup::computeJZBresponse) {
518	>	if(!automatized) dout << "JZB response: " << std::endl;
519	>	JZBresponse(events,requireZ,resp,resperr,addcut);
520	>	}
521	>
522	>	if(!automatized) dout << "Pileup: " << std::endl;
523	>	float resolution;
524	>	resolution=pileup(events,requireZ,informalname,addcut);
525	>
526	>	float PDFuncert=0;
527	>	if(!automatized) dout << "Assessing PDF uncertainty: " << std::endl;
528	>	if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, NPdfs, addcut);
529	>
530	>	dout << "_______________________________________________" << endl;
531	>	dout << "                 SUMMARY FOR " << informalname << " with JZB>" << jzbSel << "  (all in %) ";
532	>	if(addcut!="") dout << "With additional cut: " << addcut;
533	>	dout << endl;
534	>	dout << "MC efficiency: " << mceff << "+/-" << mcefferr << endl; // in range [0,1]
535	>	dout << "Trigger efficiency: " << triggereff << endl; // in range [0,1]
536	>	dout << "Lepton Sel Eff: " << leptonseleff << endl; // in range [0,1]
537	>	dout << "Jet energy scale: " << jesup << " " << jesdown << endl; // in range [0,1]
538	>	dout << "JZB Scale Uncert: " << scaledown << " " << scaleup << endl; // in range [0,1]
539	>	dout << "Resolution : " << resolution << endl; // in range [0,1]
540	>	dout << "From peak : " << sysfrompeak << endl; // in range [0,1]
541	>	if(ismSUGRA) dout << "PDF uncertainty  : " << PDFuncert << endl; // in range [0,1]
542	>	if(PlottingSetup::computeJZBefficiency) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1]
543	>	if(PlottingSetup::computeJZBresponse)dout << "JZB response  : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1]
544
545	<	cout << "_______________________________________________" << endl;
546	<	cout << "                 SUMMARY FOR " << informalname << " with JZB>" << jzbSel << endl;
547	<	cout << "Trigger efficiency: " << triggereff << endl;
548	<	cout << "Lepton Sel Eff: " << leptonseleff << endl;
549	<	cout << "For JZB>" << jzbSel << endl;
550	<	cout << "Jet energy scale: " << jesup << " " << jesdown << " --> suggesting: " << Round(0.5*(fabs(jesup)+fabs(jesdown)),1) << endl;
551	<	cout << "JZB Scale Uncert: " << scaledown << " " << scaleup << " --> suggesting: " << Round(0.5*(fabs(scaledown)+fabs(scaleup)),1) << endl;
552	<	cout << "Resolution : " << resolution << endl;
545	>	float toterr=0;
546	>	toterr+=(triggereff)*(triggereff);
547	>	toterr+=(leptonseleff)*(leptonseleff);
548	>	if(fabs(jesup)>fabs(jesdown)) toterr+=(jesup*jesup); else toterr+=(jesdown*jesdown);
549	>	if(fabs(scaleup)>fabs(scaledown)) toterr+=(scaleup*scaleup); else toterr+=(scaledown*scaledown);
550	>	toterr+=(resolution*resolution);
551	>	toterr+=(sysfrompeak*sysfrompeak);
552	>	if(ismSUGRA) toterr+=(PDFuncert*PDFuncert);
553	>	dout << "TOTAL SYSTEMATICS: " << TMath::Sqrt(toterr) << " --> " << TMath::Sqrt(toterr)*mceff << endl;
554	>	float systerr=TMath::Sqrt(toterr)*mceff;
555	>	toterr=TMath::Sqrt(toterr*mceff*mceff+mcefferr*mcefferr);//also includes stat err!
556
557	<	vector<float> uncert;
558	<	uncert.push_back(jzbSel);
284	<	uncert.push_back(triggereff);
285	<	uncert.push_back(leptonseleff);
286	<	uncert.push_back(0.5*(fabs(jesup)+fabs(jesdown)));
287	<	uncert.push_back(0.5*(fabs(scaledown)+fabs(scaleup)));
288	<	uncert.push_back(resolution);
557	>	dout << "FINAL RESULT : " << 100*mceff << " +/- "<< 100*mcefferr << " (stat) +/- " << 100*systerr << " (syst)   %" << endl;
558	>	dout << "     we thus use the sqrt of the sum of the squares of the stat & syst err, which is : " << 100*toterr << endl;
559
560	<	uncertainties.push_back(uncert);
560	>	//Do not modify the lines below or mess with the order; this order is expected by all limit calculating functions!
561	>	vector<float> res;
562	>	res.push_back(jzbSel);
563	>	res.push_back(mceff);
564	>	res.push_back(mcefferr);
565	>	res.push_back(toterr);
566	>	res.push_back(TMath::Sqrt((mcefferr)*(mcefferr)+(toterr*toterr)));
567	>	if(fabs(jesup)>fabs(jesdown)) res.push_back(fabs(jesup)); else res.push_back(fabs(jesdown));
568	>	if(fabs(scaleup)>fabs(scaledown)) res.push_back(fabs(scaleup)); else res.push_back(fabs(scaledown));
569	>	res.push_back(fabs(resolution));
570	>	if(ismSUGRA) res.push_back(PDFuncert);
571	>	results.push_back(res);
572		}
573
574	<	vector<vector<float> > compute_systematics(string mcjzb, string datajzb, samplecollection &signalsamples, vector<float> bins) {
575	<	vector< vector<float> > uncertainties;
574	>	vector<vector<float> > compute_systematics(string mcjzb, float mcpeakerror, string datajzb, samplecollection &signalsamples, vector<float> bins, bool requireZ=false) {
575	>	automatized=true;
576	>	vector< vector<float> > systematics;
577		for (int isignal=0; isignal<signalsamples.collection.size();isignal++) {
578	<	cout << "Looking at signal " << (signalsamples.collection)[isignal].filename << endl;
578	>	dout << "Looking at signal " << (signalsamples.collection)[isignal].filename << endl;
579		for(int ibin=0;ibin<bins.size();ibin++) {
580		jzbSel=bins[ibin];
581	<	do_systematics_for_one_file((signalsamples.collection)[isignal].events,(signalsamples.collection)[isignal].samplename,uncertainties);
581	>	geqleq="geq";
582	>	do_systematics_for_one_file((signalsamples.collection)[isignal].events,(signalsamples.collection)[isignal].Nentries,(signalsamples.collection)[isignal].samplename,systematics,mcjzb,datajzb,mcpeakerror,requireZ);
583		}//end of bin loop
584		}//end of signal loop
585	<	return uncertainties;
585	>	return systematics;
586		}

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