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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 1.29 by buchmann, Wed Sep 7 06:42:21 2011 UTC

#	Line 15 | Line 15
15		#ifndef Verbosity
16		#define Verbosity 0
17		#endif
18	–	#ifndef HUSH
19	–	#define HUSH 1
20	–	#endif
18
19		#include <TFile.h>
20		#include <TTree.h>
#	Line 37 | Line 34 | Float_t jzbMax =  243;
34		Float_t jzbSel =  100;
35		int iplot=0;
36		int verbose=0;
37	+	string geqleq;
38	+	string mcjzbexpression;
39	+	bool automatized=false;//if we're running this fully automatized we don't want each function to flood the screen
40	+
41	+	TString geq_or_leq() {
42	+	if(geqleq=="geq") return TString(">=");
43	+	if(geqleq=="leq") return TString("<=");
44	+	return TString("GEQ_OR_LEQ_ERROR");
45	+	}
46	+
47	+	TString ngeq_or_leq() {
48	+	if(geqleq=="geq") return TString("<=");
49	+	if(geqleq=="leq") return TString(">=");
50	+	return TString("NGEQ_OR_LEQ_ERROR");
51	+	}
52
53		//______________________________________________________________________________
54		Double_t Interpolate(Double_t x, TH1 *histo)
#	Line 69 | Line 81 | Double_t Interpolate(Double_t x, TH1 *hi
81		}
82		}
83
84	+	//____________________________________________________________________________________
85	+	// Plotting with all contributions, i.e. sidebands, peak, osof,ossf ... (for a systematic)
86	+	float allcontributionsplot(TTree* events, TCut kBaseCut, TCut kMassCut, TCut kSidebandCut, TCut JZBPosCut, TCut JZBNegCut) {
87	+	iplot++;
88	+	int count=iplot;
89	+	// Define new histogram
90	+	string hname=GetNumericHistoName();
91	+	TH1F* hossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
92	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSSF,"goff");
93	+	hname=GetNumericHistoName();
94	+	TH1F* hossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
95	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSSF,"goff");
96	+
97	+	hname=GetNumericHistoName();
98	+	TH1F* hosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
99	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSOF,"goff");
100	+	hname=GetNumericHistoName();
101	+	TH1F* hosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
102	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSOF,"goff");
103	+
104	+	hname=GetNumericHistoName();
105	+	TH1F* sbhossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
106	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSSF,"goff");
107	+	hname=GetNumericHistoName();
108	+	TH1F* sbhossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
109	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSSF,"goff");
110	+
111	+	hname=GetNumericHistoName();
112	+	TH1F* sbhosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
113	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSOF,"goff");
114	+	hname=GetNumericHistoName();
115	+	TH1F* sbhosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
116	+	events->Draw(TString(mcjzbexpression)+">>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSOF,"goff");
117	+
118	+	float obs = hossfp->Integral();
119	+	float pred= hossfn->Integral() + (1.0/3)*( hosofp->Integral() - hosofn->Integral() + sbhossfp->Integral() - sbhossfn->Integral() + sbhosofp->Integral() - sbhosofn->Integral());
120	+
121	+	delete hossfp,hossfn,hosofp,hosofn;
122	+	delete sbhossfp,sbhossfn,sbhosofp,sbhosofn;
123	+	return obs-pred;
124	+	}
125	+
126
127		//____________________________________________________________________________________
128		// Efficiency plot
#	Line 81 | Line 135 | TH1F* plotEff(TTree* events, TCut kbase,
135		nBins,jzbMin,jzbMax);
136		Float_t step = (jzbMax-jzbMin)/static_cast<Float_t>(nBins);
137
138	<	events->Draw("jzb[1]","genJZBSel>-400"&&kbase,"goff");
138	>	events->Draw(mcjzbexpression.c_str(),"genJZB>-400"&&kbase,"goff");
139		Float_t maxEff = events->GetSelectedRows();
140	<	if(verbose>0) std::cout << hname << " (" << informalname <<") " << maxEff <<  std::endl;
140	>	if(verbose>0) dout << hname << " (" << informalname <<") " << maxEff <<  std::endl;
141
142	<	if(verbose>0) std::cout <<  "JZB max = " << jzbMax << std::endl;
142	>	if(verbose>0) dout <<  "JZB max = " << jzbMax << std::endl;
143		// Loop over steps to get efficiency curve
144		char cut[256];
145		for ( Int_t iBin = 0; iBin<nBins; ++iBin ) {
146	<	sprintf(cut,"genJZBSel>%3f",jzbMin+iBin*step);
147	<	events->Draw("jzb[1]",TCut(cut)&&kbase,"goff");
146	>	sprintf(cut,"genJZB>%3f",jzbMin+iBin*step);
147	>	events->Draw(mcjzbexpression.c_str(),TCut(cut)&&kbase,"goff");
148		Float_t eff = static_cast<Float_t>(events->GetSelectedRows())/maxEff;
149	<	//     std::cout << "COUCOU " << __LINE__ << std::endl;
149	>	//     dout << "COUCOU " << __LINE__ << std::endl;
150		hJzbEff->SetBinContent(iBin+1,eff);
151		hJzbEff->SetBinError(iBin+1,TMath::Sqrt(eff*(1-eff)/maxEff));
152		}
#	Line 103 | Line 157 | TH1F* plotEff(TTree* events, TCut kbase,
157
158
159		//________________________________________________________________________________________
160	+	// Master Formula
161	+	void master_formula(std::vector<float> eff, float &errHi, float &errLo) {
162	+
163	+	float x0 = eff[0];
164	+	float deltaPos = 0, deltaNeg = 0;
165	+	for(int k = 0; k < (eff.size()-1)/2; k++) {
166	+	float xneg = eff[2*k+2];
167	+	float xpos = eff[2*k+1];
168	+	if(xpos-x0>0 || xneg-x0>0) {
169	+	if(xpos-x0 > xneg-x0) {
170	+	deltaPos += (xpos-x0)*(xpos-x0);
171	+	} else {
172	+	deltaPos += (xneg-x0)*(xneg-x0);
173	+	}
174	+	}
175	+	if(x0-xpos>0 || x0-xneg>0) {
176	+	if(x0-xpos > x0-xneg) {
177	+	deltaNeg += (xpos-x0)*(xpos-x0);
178	+	} else {
179	+	deltaNeg += (xneg-x0)*(xneg-x0);
180	+	}
181	+	}
182	+	}
183	+	errHi = sqrt(deltaPos);
184	+	errLo = sqrt(deltaNeg);
185	+
186	+	}
187	+
188	+
189	+	//________________________________________________________________________________________
190	+	// Get normalization factor for the PDFs
191	+	float get_norm_pdf_factor(TTree *events, int k) {
192	+
193	+	TH1F *haux = new TH1F("haux", "", 10000, 0, 5);
194	+	char nameVar[20];
195	+	sprintf(nameVar, "pdfW[%d]", k);
196	+	events->Project("haux", nameVar);
197	+	float thisW = haux->Integral();
198	+	events->Project("haux", "pdfW[0]");
199	+	float normW = haux->Integral();
200	+
201	+	float factor=thisW/normW;
202	+
203	+	delete haux;
204	+
205	+	return factor;
206	+
207	+	}
208	+
209	+
210	+
211	+	//________________________________________________________________________________________
212		// Pile-up efficiency
213	<	float pileup(TTree *events, string informalname, Float_t myJzbMax = 140. ) {
213	>	float pileup(TTree *events, bool requireZ, string informalname, string addcut="",Float_t myJzbMax = 140. ) {
214		nBins = 16;
215		jzbMax = myJzbMax;
216
217		// Acceptance cuts
218	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPtSel>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
218	>	TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
219	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
220
221	+	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
222		TH1F* hLM4 = plotEff(events,kbase,informalname);
223		hLM4->SetMinimum(0.);
224
#	Line 123 | Line 231 | float pileup(TTree *events, string infor
231		// Pimped-up function
232		TF1* funcUp = (TF1*)func->Clone();
233		funcUp->SetParameter( 0., func->GetParameter(0)/1.1); // 10% systematic error (up in sigma => 0.1 in erfc)
234	<	std::cout << "  PU: " << funcUp->Eval(jzbSel) << " " <<  func->Eval(jzbSel)
234	>	if(!automatized) dout << "  PU: " << funcUp->Eval(jzbSel) << " " <<  func->Eval(jzbSel)
235		<< "(" << (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel)*100. << "%)" << std::endl;
236
237	<	return (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel)*100.;
237	>	return (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel);
238
239		}
240
241		//____________________________________________________________________________________
242	+	// Effect of peak shifting
243	+	void PeakError(TTree *events,float &result, string mcjzb, float peakerr,string addcut="") {
244	+	TString peakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
245	+	TString peakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
246	+	TString peakcentral("("+TString(mcjzb)+")"+geq_or_leq()+TString(any2string(jzbSel)));
247	+	TString npeakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
248	+	TString npeakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
249	+	TString npeakcentral("("+TString(mcjzb)+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
250	+
251	+	nBins = 1;
252	+	string informalname="PeakErrorCalculation";
253	+	float resup,resdown,rescent;
254	+	for(int i=0;i<3;i++) {
255	+	string poscut,negcut;
256	+	if(i==0) {
257	+	poscut=peakcentral;
258	+	negcut=npeakcentral;
259	+	} else if(i==1) {
260	+	poscut=peakdown;
261	+	negcut=npeakdown;
262	+	} else if(i==2) {
263	+	poscut=peakup;
264	+	negcut=npeakup;
265	+	}
266	+	float res;
267	+	if(addcut=="") res=allcontributionsplot(events,cutnJets,cutmass,sidebandcut,poscut.c_str(),negcut.c_str());
268	+	else res=allcontributionsplot(events,cutnJets&&addcut.c_str(),cutmass,sidebandcut,poscut.c_str(),negcut.c_str());
269	+	if(i==0) rescent=res;
270	+	else if(i==1) resdown=res;
271	+	else if(i==2) resup=res;
272	+	}
273	+	if(TMath::Abs(rescent-resup)>TMath::Abs(rescent-resdown)) result=(TMath::Abs(rescent-resup)/rescent);
274	+	else result=(TMath::Abs(rescent-resdown)/rescent);
275	+	}
276	+
277	+	//____________________________________________________________________________________
278		// Total selection efficiency (MC)
279	<	void MCefficiency(TTree *events,float &res, float &reserr) {
279	>	void MCefficiency(TTree *events,float &result, float &resulterr,string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) {
280
281		char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel);
282		// All acceptance cuts at gen. level
283	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPt>0&&genJZB>"+TString(jzbSelStr)+"&&genId1==-genId2");
283	>	//TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
284	>	TCut kbase("");
285	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
286	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
287		// Corresponding reco. cuts
288	<	TCut ksel("abs(mll-91.2)<20&&id1==id2&&jzb[1]+0.9>"+TString(jzbSelStr));
289	<
290	<	events->Draw("jzb[1]",kbase&&ksel,"goff");
291	<	Float_t sel = events->GetSelectedRows();
292	<	events->Draw("jzb[1]",kbase,"goff");
293	<	Float_t tot = events->GetSelectedRows();
294	<
295	<	res=sel/tot;
296	<	reserr=TMath::Sqrt(sel/tot*(1-sel/tot)/tot);
297	<	std::cout << "  MC efficiency: " << res << "+-" << reserr << std::endl;
288	>	TCut ksel("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
289	>	TCut ksel2("pfJetGoodNum>2&&abs(mll-91.2)<20&&id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
290	>	TCut posSide = kbase&&ksel;
291	>	TCut negSide = kbase&&ksel2;
292	>	string sposSide(posSide);
293	>	string snegSide(negSide);
294	>	char var[20];
295	>	sprintf(var, "pdfW[%d]", k);
296	>	string svar(var);
297	>	string newPosSide = "(" + sposSide + ")*" + svar;
298	>	string newNegSide = "(" + snegSide + ")*" + svar;
299	>
300	>	TH1F *effh= new TH1F("effh","effh",1,-14000,14000);
301	>	if(k>=0)events->Draw((mcjzbexpression+">>effh").c_str(), newPosSide.c_str(),"goff");
302	>	else events->Draw((mcjzbexpression+">>effh").c_str(), sposSide.c_str(),"goff");
303	>	Float_t sel = effh->Integral();
304	>	Float_t nsel=0;
305	>	if(ConsiderSignalContaminationForLimits) {
306	>	if(k>=0)events->Draw((mcjzbexpression+">>effh").c_str(), newNegSide.c_str(),"goff");
307	>	else events->Draw((mcjzbexpression+">>effh").c_str(), snegSide.c_str(),"goff");
308	>	nsel = effh->Integral();
309	>	}
310	>	//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.
311	>	float normFactor = 1;
312	>	if(k>=0) get_norm_pdf_factor(events, k);
313	>	sel = sel/normFactor;
314	>	nsel = nsel/normFactor;
315	>
316	>	//      events->Draw(mcjzbexpression.c_str(),kbase,"goff");
317	>	//      Float_t tot = events->GetSelectedRows();
318	>	Float_t tot = Neventsinfile;
319	>
320	>	if(ConsiderSignalContaminationForLimits) {
321	>	result=(sel-nsel)/tot;
322	>	resulterr=(1.0/tot)*TMath::Sqrt(sel+nsel+(sel-nsel)*(sel-nsel)/tot);
323	>	} else {//no signal contamination considered:
324	>	result=(sel)/tot;
325	>	resulterr=TMath::Sqrt(sel/tot*(1+sel/tot)/tot);
326	>	}
327	>	if(!automatized) dout << "  MC efficiency: " << result << "+-" << resulterr << "  ( JZB>" << jzbSel << " : " << sel << " , JZB<-" << jzbSel << " : " << nsel << " and nevents=" << tot << ") with normFact=" << normFactor << std::endl;
328	>	delete effh;
329	>	}
330	>
331	>
332	>	//____________________________________________________________________________________
333	>	// Total selection efficiency (MC)
334	>	vector<float> processMCefficiency(TTree *events,string mcjzb,bool requireZ,int Neventsinfile, string addcut) {
335	>	vector<float> process_efficiencies;
336	>	for(int iprocess=0;iprocess<=10;iprocess++) {
337	>	float this_process_efficiency,efferr;
338	>	stringstream addcutplus;
339	>	addcutplus<<addcut<<"&&(process=="<<iprocess<<")";
340	>	MCefficiency(events,this_process_efficiency, efferr,mcjzb,requireZ,Neventsinfile, addcutplus.str(),-1);
341	>	process_efficiencies.push_back(this_process_efficiency);
342	>	}
343	>	return process_efficiencies;
344		}
345	+
346
347	<	float JZBefficiency(TTree *events, string informalname) {
348	<	TCut kbase("abs(genMllSel-91.2)<20&&pfJetGoodNum>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
347	>	void JZBefficiency(TTree *events, string informalname, float &jzbeff, float &jzbefferr, bool requireZ, string addcut="") {
348	>	TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
349	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
350	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
351		TH1F* hLM4 = plotEff(events,kbase,informalname);
352		Int_t bin = hLM4->FindBin(jzbSel); // To get the error
353	<	std::cout << "  Efficiency at JZB==" << jzbSel  << std::endl;
354	<	std::cout << "    " << Interpolate(jzbSel,hLM4) << "+-" << hLM4->GetBinError(bin)  << std::endl;
355	<	return -1;
353	>	jzbeff=Interpolate(jzbSel,hLM4);
354	>	jzbefferr=hLM4->GetBinError(bin);
355	>	if(!automatized) dout << "  Efficiency at JZB==" << jzbSel  << std::endl;
356	>	if(!automatized) dout << "    " << jzbeff << "+-" << jzbefferr  << std::endl;
357		}
358
359		//________________________________________________________________________
360		// Effect of energy scale on efficiency
361	<	void JZBjetScale(TTree *events, float &jesdown, float &jesup, string informalname="",float syst=0.1, Float_t jzbSelection=-1, TString plotName = "" ) {
362	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPt>0");
361	>	void JZBjetScale(TTree *events, float &jesdown, float &jesup, string informalname,bool requireZ,string addcut="",float syst=0.1, Float_t jzbSelection=-1, TString plotName = "" ) {
362	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0");
363	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
364	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
365	>
366		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
367		TCut nJets("pfJetGoodNum>2");
368		stringstream down,up;
#	Line 172 | Line 372 | void JZBjetScale(TTree *events, float &j
372		TCut nJetsP(up.str().c_str());
373		TCut nJetsM(down.str().c_str());
374
175	–	if ( jzbSelection>0 ) jzbSel = jzbSelection;
176	–
375		if ( !(plotName.Length()>1) ) plotName = informalname;
376
377		nBins = 1; jzbMin = jzbSel*0.95; jzbMax = jzbSel*1.05;
#	Line 187 | Line 385 | void JZBjetScale(TTree *events, float &j
385		Float_t eff  = Interpolate(jzbSel,hist);
386		Float_t effp = Interpolate(jzbSel,histp);
387		Float_t effm = Interpolate(jzbSel,histm);
388	<	std::cout << "  Efficiency at JZB==" << jzbSel  << std::endl;
389	<	std::cout << "    JESup: " << effp << " (" << (effp-eff)/eff*100. << "%)" << std::endl;
390	<	std::cout << "    central:  " << eff << std::endl;
391	<	std::cout << "    JESdown: " << effm << " (" << (effm-eff)/eff*100. << "%)" << std::endl;
392	<	jesup=(effp-eff)/eff*100.;
393	<	jesdown=(effm-eff)/eff*100.;
388	>	if(!automatized) dout << "  Efficiency at JZB==" << jzbSel  << std::endl;
389	>	if(!automatized) dout << "    JESup: " << effp << " (" << (effp-eff)/eff*100. << "%)" << std::endl;
390	>	if(!automatized) dout << "    central:  " << eff << std::endl;
391	>	if(!automatized) dout << "    JESdown: " << effm << " (" << (effm-eff)/eff*100. << "%)" << std::endl;
392	>	jesup=(effp-eff)/eff;
393	>	jesdown=(effm-eff)/eff;
394		}
395
396		//________________________________________________________________________
397		// Effect of energy scale on JZB efficiency
398	<	void doJZBscale(TTree *events, float &down, float &up, float &syst, float systematic, string informalname) {
398	>	void doJZBscale(TTree *events, float &down, float &up, float &syst, float systematic, string informalname, bool requireZ, string addcut) {
399
400	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPt>0&&pfJetGoodNum>2");
400	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0&&genNjets>2");
401	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
402	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
403		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
404
405		nBins =    50;
#	Line 212 | Line 412 | void doJZBscale(TTree *events, float &do
412		Float_t eff  = Interpolate(jzbSel,hist);
413		Float_t effp = Interpolate(jzbSel*(1.+systematic),hist);
414		Float_t effm = Interpolate(jzbSel*(1.-systematic),hist);
415	<	std::cout << "  efficiency at JZB==" << jzbSel*(1.+systematic)  << "(-"<<syst*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)"  << std::endl;
416	<	std::cout << "  efficiency at JZB==" << jzbSel  << ": " << eff << std::endl;
417	<	std::cout << "  efficiency at JZB==" << jzbSel*(1.-systematic)  << "(-"<<syst*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)"  << std::endl;
418	<	up=((effp-eff)/eff)*100;
419	<	down=((effm-eff)/eff)*100;
415	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel*(1.+systematic)  << "(-"<<syst*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)"  << std::endl;
416	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel  << ": " << eff << std::endl;
417	>	if(!automatized) dout << "  efficiency at JZB==" << jzbSel*(1.-systematic)  << "(-"<<syst*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)"  << std::endl;
418	>	up=((effp-eff)/eff);
419	>	down=((effm-eff)/eff);
420		}
421
422		//________________________________________________________________________
423		// JZB response (true/reco. vs. true)
424	<	void JZBresponse(TTree *events, bool isMET = kFALSE, Float_t myJzbMax = 200., Int_t nPeriods = 9 ) {
424	>	void JZBresponse(TTree *events, bool requireZ, float &resp, float &resperr, string addcut="",bool isMET = kFALSE, Float_t myJzbMax = 200., Int_t nPeriods = 9 ) {
425
426		jzbMin = 20;
427	<	TCut kbase("abs(genMllSel-91.2)<20&&genZPtSel>0&&pfJetGoodNum>2");
427	>	TCut kbase("abs(genMll-91.2)<20&&genZPt>0&&genNjets>2");
428	>	if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
429	>	if(requireZ) kbase=kbase&&"TMath::Abs(genMID)==23";
430		TCut ksel("abs(mll-91.2)<20&&((id1+1)*(id2+1)*ch1*ch2)!=-2");
431
432	<	TProfile* hJzbResp = new TProfile("hJzbResp","JZB response  ; JZB true (GeV/c); JZB reco. / JZB true",
231	<	nPeriods, jzbMin, myJzbMax, "" );
432	>	TProfile* hJzbResp = new TProfile("hJzbResp","JZB response  ; JZB true (GeV/c); JZB reco. / JZB true", nPeriods, jzbMin, myJzbMax, "" );
433
434	<	if (!isMET) events->Project("hJzbResp","jzb[1]/genJZBSel:genJZBSel",kbase&&ksel);
434	>	if (!isMET) events->Project("hJzbResp","("+TString(mcjzbexpression)+")/genJZB:genJZB",kbase&&ksel);
435		else events->Project("hJzbResp","met[4]/genMET:genMET",kbase&&ksel);
436
437		hJzbResp->SetMaximum(1.2);
438		hJzbResp->SetMinimum(0.2);
439		hJzbResp->Fit("pol0","Q");
440		TF1 *fittedfunction = hJzbResp->GetFunction("pol0");
441	<	cout << "  Response: " << fittedfunction->GetParameter(0) << " +/- " << fittedfunction->GetParError(0) << endl;
441	>	resp=fittedfunction->GetParameter(0);
442	>	resperr=fittedfunction->GetParError(0);
443	>	if(!automatized) dout << "  Response: " << resp << " +/- " << resperr << endl;
444	>	delete hJzbResp;
445		}
446
447
448	<	void do_systematics_for_one_file(TTree *events,string informalname, vector<vector<float> > &uncertainties) {
448	>	//________________________________________________________________________________________
449	>	// PDF uncertainty
450	>	float get_pdf_uncertainty(TTree *events, string mcjzb, bool requireZ, int Neventsinfile, int NPdfs, string addcut="") {
451	>	std::vector<float> efficiency;
452	>	for(int k = 1; k < NPdfs; k++) {
453	>	float result, resulterr;
454	>	MCefficiency(events, result, resulterr, mcjzb, requireZ, Neventsinfile, addcut, k);
455	>	efficiency.push_back(result);
456	>	}
457	>	float errHi, errLow,err;
458	>	master_formula(efficiency, errHi, errLow);
459	>	err=errLow;
460	>	if(errHi>errLow) err=errHi;
461	>	if(!automatized) dout << "  Uncertainty from PDF: " << errLow << " (low) and " << errHi << "(high) ---> Picked " << err << endl;
462	>	return err;
463	>
464	>	}
465	>
466	>	int get_npdfs(TTree *events) {
467	>	int NPDFs;
468	>	events->SetBranchAddress("NPdfs",&NPDFs);
469	>	events->GetEntry(1);
470	>	return NPDFs;
471	>	}
472
473	+
474	+	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) {
475		float JetEnergyScaleUncert=0.1;
476		float JZBScaleUncert=0.1;
477	+	mcjzbexpression=mcjzb;
478	+	float triggereff=5.0/100;// in range [0,1]
479	+	dout << "Trigger efficiency not implemented in this script  yet, still using external one" << endl;
480	+	float leptonseleff=2.0/100;// in range [0,1]
481	+	dout << "Lepton selection efficiency not implemented in this script  yet, still using external one" << endl;
482
483	<	float triggereff=4;//percent!
484	<	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;
483	>	int NPdfs=0;
484	>	if(ismSUGRA) NPdfs = get_npdfs(events);
485
486	<	float mceff,mcefferr;
487	<	cout << "MC efficiencies:" << endl;
488	<	MCefficiency(events,mceff,mcefferr);
489	<	JZBefficiency(events,informalname);
486	>	float mceff,mcefferr,jzbeff,jzbefferr;
487	>	if(!automatized) dout << "MC efficiencies:" << endl;
488	>	MCefficiency(events,mceff,mcefferr,mcjzb,requireZ,Neventsinfile,addcut,-1);
489	>	JZBefficiency(events,informalname,jzbeff,jzbefferr,requireZ,addcut);
490	>	if(!automatized) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << endl;
491
492	<	std::cout << "Jet energy scale: " << std::endl;
492	>	if(!automatized) dout << "Error from Peak position:" << endl;
493	>	float sysfrompeak=0;
494	>	PeakError(events,sysfrompeak,mcjzb,peakerror,addcut);
495	>
496	>	if(!automatized) dout << "Jet energy scale: " << std::endl;
497		float jesup,jesdown;
498	<	JZBjetScale(events,jesdown,jesup,informalname,JetEnergyScaleUncert);
498	>	JZBjetScale(events,jesdown,jesup,informalname,requireZ,addcut,JetEnergyScaleUncert);
499
500	<	std::cout << "JZB scale: " << std::endl;
500	>	if(!automatized) dout << "JZB scale: " << std::endl;
501		float scaleup,scaledown,scalesyst;
502	<	doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname);
502	>	doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname,requireZ,addcut);
503
504	<	std::cout << "JZB response: " << std::endl;
505	<	JZBresponse(events);
506	<
507	<	std::cout << "Pileup: " << std::endl;
508	<	float resolution=pileup(events,informalname);
504	>	if(!automatized) dout << "JZB response: " << std::endl;
505	>	float resp,resperr;
506	>	JZBresponse(events,requireZ,resp,resperr,addcut);
507	>
508	>	if(!automatized) dout << "Pileup: " << std::endl;
509	>	float resolution=pileup(events,requireZ,informalname,addcut);
510	>
511	>	float PDFuncert=0;
512	>	if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, mcjzb, requireZ, Neventsinfile, NPdfs, addcut);
513	>
514	>	dout << "_______________________________________________" << endl;
515	>	dout << "                 SUMMARY FOR " << informalname << " with JZB>" << jzbSel << "  (all in %) ";
516	>	if(addcut!="") dout << "With additional cut: " << addcut;
517	>	dout << endl;
518	>	dout << "MC efficiency: " << mceff << "+/-" << mcefferr << endl; // in range [0,1]
519	>	dout << "Trigger efficiency: " << triggereff << endl; // in range [0,1]
520	>	dout << "Lepton Sel Eff: " << leptonseleff << endl; // in range [0,1]
521	>	dout << "Jet energy scale: " << jesup << " " << jesdown << endl; // in range [0,1]
522	>	dout << "JZB Scale Uncert: " << scaledown << " " << scaleup << endl; // in range [0,1]
523	>	dout << "Resolution : " << resolution << endl; // in range [0,1]
524	>	dout << "From peak : " << sysfrompeak << endl; // in range [0,1]
525	>	if(ismSUGRA) dout << "PDF uncertainty  : " << PDFuncert << endl; // in range [0,1]
526	>	dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1]
527	>	dout << "JZB response  : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1]
528
529	<	cout << "_______________________________________________" << endl;
530	<	cout << "                 SUMMARY FOR " << informalname << " with JZB>" << jzbSel << endl;
531	<	cout << "Trigger efficiency: " << triggereff << endl;
532	<	cout << "Lepton Sel Eff: " << leptonseleff << endl;
533	<	cout << "For JZB>" << jzbSel << endl;
534	<	cout << "Jet energy scale: " << jesup << " " << jesdown << " --> suggesting: " << Round(0.5*(fabs(jesup)+fabs(jesdown)),1) << endl;
535	<	cout << "JZB Scale Uncert: " << scaledown << " " << scaleup << " --> suggesting: " << Round(0.5*(fabs(scaledown)+fabs(scaleup)),1) << endl;
536	<	cout << "Resolution : " << resolution << endl;
529	>	float toterr=0;
530	>	toterr+=(triggereff)*(triggereff);
531	>	toterr+=(leptonseleff)*(leptonseleff);
532	>	if(fabs(jesup)>fabs(jesdown)) toterr+=(jesup*jesup); else toterr+=(jesdown*jesdown);
533	>	if(fabs(scaleup)>fabs(scaledown)) toterr+=(scaleup*scaleup); else toterr+=(scaledown*scaledown);
534	>	toterr+=(resolution*resolution);
535	>	toterr+=(sysfrompeak*sysfrompeak);
536	>	if(ismSUGRA) toterr+=(PDFuncert*PDFuncert);
537	>	dout << "TOTAL SYSTEMATICS: " << TMath::Sqrt(toterr) << " --> " << TMath::Sqrt(toterr)*mceff << endl;
538	>	float systerr=TMath::Sqrt(toterr)*mceff;
539	>	toterr=TMath::Sqrt(toterr*mceff*mceff+mcefferr*mcefferr);//also includes stat err!
540
541	<	vector<float> uncert;
542	<	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);
541	>	dout << "FINAL RESULT : " << 100*mceff << " +/- "<< 100*mcefferr << " (stat) +/- " << 100*systerr << " (syst)   %" << endl;
542	>	dout << "     we thus use the sqrt of the sum of the squares of the stat & syst err, which is : " << 100*toterr << endl;
543
544	<	uncertainties.push_back(uncert);
544	>	//Do not modify the lines below or mess with the order; this order is expected by all limit calculating functions!
545	>	vector<float> res;
546	>	res.push_back(jzbSel);
547	>	res.push_back(mceff);
548	>	res.push_back(mcefferr);
549	>	res.push_back(toterr);
550	>	res.push_back(TMath::Sqrt((mcefferr)*(mcefferr)+(toterr*toterr)));
551	>	if(fabs(jesup)>fabs(jesdown)) res.push_back(fabs(jesup)); else res.push_back(fabs(jesdown));
552	>	if(fabs(scaleup)>fabs(scaledown)) res.push_back(fabs(scaleup)); else res.push_back(fabs(scaledown));
553	>	res.push_back(fabs(resolution));
554	>	if(ismSUGRA) res.push_back(PDFuncert);
555	>	results.push_back(res);
556		}
557
558	<	vector<vector<float> > compute_systematics(string mcjzb, string datajzb, samplecollection &signalsamples, vector<float> bins) {
559	<	vector< vector<float> > uncertainties;
558	>	vector<vector<float> > compute_systematics(string mcjzb, float mcpeakerror, string datajzb, samplecollection &signalsamples, vector<float> bins, bool requireZ=false) {
559	>	automatized=true;
560	>	vector< vector<float> > systematics;
561		for (int isignal=0; isignal<signalsamples.collection.size();isignal++) {
562	<	cout << "Looking at signal " << (signalsamples.collection)[isignal].filename << endl;
562	>	dout << "Looking at signal " << (signalsamples.collection)[isignal].filename << endl;
563		for(int ibin=0;ibin<bins.size();ibin++) {
564		jzbSel=bins[ibin];
565	<	do_systematics_for_one_file((signalsamples.collection)[isignal].events,(signalsamples.collection)[isignal].samplename,uncertainties);
565	>	geqleq="geq";
566	>	do_systematics_for_one_file((signalsamples.collection)[isignal].events,(signalsamples.collection)[isignal].Nentries,(signalsamples.collection)[isignal].samplename,systematics,mcjzb,datajzb,mcpeakerror,requireZ);
567		}//end of bin loop
568		}//end of signal loop
569	<	return uncertainties;
569	>	return systematics;
570		}

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