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Revision: 1.52
Committed: Mon Nov 21 19:04:28 2011 UTC (13 years, 5 months ago) by buchmann
Content type: text/plain
Branch: MAIN
Changes since 1.51: +2 -2 lines
Log Message: 
Removed potential memory leak in PartialEfficiency

File Contents

# User Rev Content
1 buchmann 1.1 #include <iostream>
2     #include <vector>
3     #include <sys/stat.h>
4 buchmann 1.31 #include <algorithm>
5     #include <cmath>
6 buchmann 1.1
7     #include <TMath.h>
8     #include <TColor.h>
9     #include <TPaveText.h>
10     #include <TRandom.h>
11     #include <TF1.h>
12    
13     #ifndef SampleClassLoaded
14     #include "ActiveSamples.C"
15     #endif
16    
17     #ifndef Verbosity
18     #define Verbosity 0
19     #endif
20    
21     #include <TFile.h>
22     #include <TTree.h>
23     #include <TH1.h>
24     #include <TCut.h>
25     #include <TMath.h>
26     #include <TLine.h>
27     #include <TCanvas.h>
28     #include <TProfile.h>
29     #include <TF1.h>
30    
31    
32    
33     Int_t nBins = 100;
34     Float_t jzbMin = -207;
35     Float_t jzbMax = 243;
36     Float_t jzbSel = 100;
37     int iplot=0;
38     int verbose=0;
39 buchmann 1.2 string geqleq;
40     string mcjzbexpression;
41 buchmann 1.4 bool automatized=false;//if we're running this fully automatized we don't want each function to flood the screen
42 buchmann 1.2
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 buchmann 1.1
49 buchmann 1.6 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 buchmann 1.1 //______________________________________________________________________________
56     Double_t Interpolate(Double_t x, TH1 *histo)
57     {
58     // Given a point x, approximates the value via linear interpolation
59     // based on the two nearest bin centers
60     // Andy Mastbaum 10/21/08
61     // in newer ROOT versions but not in the one I have so I had to work around that ...
62    
63     Int_t xbin = histo->FindBin(x);
64     Double_t x0,x1,y0,y1;
65    
66     if(x<=histo->GetBinCenter(1)) {
67     return histo->GetBinContent(1);
68     } else if(x>=histo->GetBinCenter(histo->GetNbinsX())) {
69     return histo->GetBinContent(histo->GetNbinsX());
70     } else {
71     if(x<=histo->GetBinCenter(xbin)) {
72     y0 = histo->GetBinContent(xbin-1);
73     x0 = histo->GetBinCenter(xbin-1);
74     y1 = histo->GetBinContent(xbin);
75     x1 = histo->GetBinCenter(xbin);
76     } else {
77     y0 = histo->GetBinContent(xbin);
78     x0 = histo->GetBinCenter(xbin);
79     y1 = histo->GetBinContent(xbin+1);
80     x1 = histo->GetBinCenter(xbin+1);
81     }
82     return y0 + (x-x0)*((y1-y0)/(x1-x0));
83     }
84     }
85    
86 buchmann 1.7 //____________________________________________________________________________________
87     // Plotting with all contributions, i.e. sidebands, peak, osof,ossf ... (for a systematic)
88 buchmann 1.45 float allcontributionsplot(TTree* events, TCut kBaseCut, TCut kMassCut, TCut kSidebandCut, TCut JZBPosCut, TCut JZBNegCut, int flipped) {
89 buchmann 1.7 iplot++;
90     int count=iplot;
91 buchmann 1.45 string locmcjzbexpression=mcjzbexpression;
92 buchmann 1.7 // Define new histogram
93     string hname=GetNumericHistoName();
94     TH1F* hossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
95 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSSF,"goff");
96 buchmann 1.7 hname=GetNumericHistoName();
97     TH1F* hossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
98 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSSF,"goff");
99 buchmann 1.7
100     hname=GetNumericHistoName();
101     TH1F* hosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
102 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kMassCut&&JZBPosCut&&cutOSOF,"goff");
103 buchmann 1.7 hname=GetNumericHistoName();
104     TH1F* hosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
105 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kMassCut&&JZBNegCut&&cutOSOF,"goff");
106 buchmann 1.7
107 buchmann 1.42 float obs=0;
108     float pred=0;
109     flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
110     if(PlottingSetup::RestrictToMassPeak) {
111     hname=GetNumericHistoName();
112     TH1F* sbhossfp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
113 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSSF,"goff");
114 buchmann 1.42 hname=GetNumericHistoName();
115     TH1F* sbhossfn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
116 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSSF,"goff");
117 buchmann 1.42
118     hname=GetNumericHistoName();
119     TH1F* sbhosofp = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
120 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kSidebandCut&&JZBPosCut&&cutOSOF,"goff");
121 buchmann 1.42 hname=GetNumericHistoName();
122     TH1F* sbhosofn = new TH1F(hname.c_str(),hname.c_str(),1,-14000,14000);
123 buchmann 1.45 events->Draw("("+TString(locmcjzbexpression)+")>>"+TString(hname),kBaseCut&&kSidebandCut&&JZBNegCut&&cutOSOF,"goff");
124 buchmann 1.42
125     obs = hossfp->Integral();
126     pred= hossfn->Integral() + (1.0/3)*( hosofp->Integral() - hosofn->Integral() + sbhossfp->Integral() - sbhossfn->Integral() + sbhosofp->Integral() - sbhosofn->Integral());
127 buchmann 1.45
128     if(flipped>0) {
129     obs = hossfn->Integral();
130     pred= hossfp->Integral() - (1.0/3)*( hosofp->Integral() - hosofn->Integral() + sbhossfp->Integral() - sbhossfn->Integral() + sbhosofp->Integral() - sbhosofn->Integral());
131     }
132 buchmann 1.42 delete sbhossfp,sbhossfn,sbhosofp,sbhosofn;
133     } else {
134     obs = hossfp->Integral();
135     pred= hossfn->Integral() + (hosofp->Integral() - hosofn->Integral());
136 buchmann 1.45 if(flipped>0) {
137     obs = hossfn->Integral();
138     pred= hossfp->Integral() - (hosofp->Integral() - hosofn->Integral());;
139     }
140 buchmann 1.42 }
141 buchmann 1.7
142     delete hossfp,hossfn,hosofp,hosofn;
143     return obs-pred;
144     }
145    
146 buchmann 1.1
147     //____________________________________________________________________________________
148     // Efficiency plot
149 buchmann 1.45 TH1F* plotEff(TTree* events, TCut kbase, TString informalname, int flipped) {
150 buchmann 1.1 iplot++;
151     int count=iplot;
152 buchmann 1.50 iplot++;
153     int count2=iplot;
154 buchmann 1.1 // Define new histogram
155     char hname[30]; sprintf(hname,"hJzbEff%d",count);
156 buchmann 1.50 char hname2[30]; sprintf(hname2,"hJzbEff%d",count2);
157     TH1F* hJzbEff = new TH1F(hname,"JZB selection efficiency ; JZB (GeV/c); Efficiency",nBins,jzbMin,jzbMax);
158     TH1F* hJzbEff2= new TH1F(hname2,"JZB selection efficiency ; JZB (GeV/c); Efficiency",1,-14000,14000);
159 buchmann 1.1 Float_t step = (jzbMax-jzbMin)/static_cast<Float_t>(nBins);
160 buchmann 1.50
161     if(flipped==0) events->Draw((mcjzbexpression+">>"+(string)hname2).c_str(),("genJZB>-400"&&kbase),"goff");
162 buchmann 1.51 else events->Draw(("(-"+mcjzbexpression+")>>"+(string)hname2).c_str(),("genJZB>-400"&&kbase),"goff");
163 buchmann 1.50 Float_t maxEff = hJzbEff2->Integral();
164 buchmann 1.5 if(verbose>0) dout << hname << " (" << informalname <<") " << maxEff << std::endl;
165 buchmann 1.1
166 buchmann 1.5 if(verbose>0) dout << "JZB max = " << jzbMax << std::endl;
167 buchmann 1.1 // Loop over steps to get efficiency curve
168     char cut[256];
169     for ( Int_t iBin = 0; iBin<nBins; ++iBin ) {
170 buchmann 1.6 sprintf(cut,"genJZB>%3f",jzbMin+iBin*step);
171 buchmann 1.50 if(flipped==0) events->Draw((mcjzbexpression+">>"+(string)hname2).c_str(),(TCut(cut)&&kbase),"goff");
172 buchmann 1.51 if(flipped>0) events->Draw(("(-"+mcjzbexpression+")>>"+(string)hname2).c_str(),(TCut(cut)&&kbase),"goff");
173 buchmann 1.50 Float_t eff = static_cast<Float_t>(hJzbEff2->Integral())/maxEff;
174 buchmann 1.1 hJzbEff->SetBinContent(iBin+1,eff);
175     hJzbEff->SetBinError(iBin+1,TMath::Sqrt(eff*(1-eff)/maxEff));
176     }
177 buchmann 1.50 delete hJzbEff2;
178 buchmann 1.1 return hJzbEff;
179     }
180    
181    
182     //________________________________________________________________________________________
183 pablom 1.23 // Master Formula
184     void master_formula(std::vector<float> eff, float &errHi, float &errLo) {
185    
186     float x0 = eff[0];
187     float deltaPos = 0, deltaNeg = 0;
188     for(int k = 0; k < (eff.size()-1)/2; k++) {
189     float xneg = eff[2*k+2];
190     float xpos = eff[2*k+1];
191     if(xpos-x0>0 || xneg-x0>0) {
192     if(xpos-x0 > xneg-x0) {
193     deltaPos += (xpos-x0)*(xpos-x0);
194     } else {
195     deltaPos += (xneg-x0)*(xneg-x0);
196     }
197     }
198     if(x0-xpos>0 || x0-xneg>0) {
199     if(x0-xpos > x0-xneg) {
200     deltaNeg += (xpos-x0)*(xpos-x0);
201     } else {
202     deltaNeg += (xneg-x0)*(xneg-x0);
203     }
204     }
205     }
206     errHi = sqrt(deltaPos);
207     errLo = sqrt(deltaNeg);
208    
209     }
210    
211    
212     //________________________________________________________________________________________
213     // Get normalization factor for the PDFs
214 buchmann 1.42 float get_norm_pdf_factor(TTree *events, int k, string addcut) {
215 pablom 1.23
216 buchmann 1.25 TH1F *haux = new TH1F("haux", "", 10000, 0, 5);
217 pablom 1.23 char nameVar[20];
218     sprintf(nameVar, "pdfW[%d]", k);
219 buchmann 1.42 events->Project("haux", nameVar, addcut.c_str());
220 buchmann 1.24 float thisW = haux->Integral();
221     events->Project("haux", "pdfW[0]");
222     float normW = haux->Integral();
223    
224     float factor=thisW/normW;
225 pablom 1.23
226     delete haux;
227    
228     return factor;
229    
230     }
231    
232    
233    
234     //________________________________________________________________________________________
235 buchmann 1.1 // Pile-up efficiency
236 buchmann 1.45 float pileup(TTree *events, bool requireZ, string informalname, int flipped, string addcut="",Float_t myJzbMax = 140. ) {
237 buchmann 1.1 nBins = 16;
238     jzbMax = myJzbMax;
239    
240     // Acceptance cuts
241 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
242     TCut kbase(PlottingSetup::genMassCut&&"genNjets>2&&genZPt>0"&&cutmass&&cutOSSF);
243 buchmann 1.10 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
244    
245 buchmann 1.42 if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
246 buchmann 1.45 TH1F* hLM4 = plotEff(events,kbase,informalname,flipped);
247 buchmann 1.1 hLM4->SetMinimum(0.);
248    
249     // Nominal function
250     TF1* func = new TF1("func","0.5*TMath::Erfc([0]*x-[1])",jzbMin,jzbMax);
251     func->SetParameter(0,0.03);
252     func->SetParameter(1,0.);
253     hLM4->Fit(func,"Q");
254    
255     // Pimped-up function
256     TF1* funcUp = (TF1*)func->Clone();
257 buchmann 1.47 funcUp->SetParameter( 0, func->GetParameter(0)/1.1); // 10% systematic error (up in sigma => 0.1 in erfc)
258 buchmann 1.5 if(!automatized) dout << " PU: " << funcUp->Eval(jzbSel) << " " << func->Eval(jzbSel)
259 buchmann 1.1 << "(" << (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel)*100. << "%)" << std::endl;
260    
261 buchmann 1.18 return (funcUp->Eval(jzbSel)-func->Eval(jzbSel))/func->Eval(jzbSel);
262 buchmann 1.1
263     }
264    
265     //____________________________________________________________________________________
266 buchmann 1.6 // Effect of peak shifting
267 buchmann 1.45 void PeakError(TTree *events,float &result, string mcjzb, float peakerr,int flipped,string addcut="") {
268 buchmann 1.42 //Note: the cut used here is something like (JZBEXPRESSION+(peakerr)>50) without all the other cuts, to increase statistics (particularly for scans)
269 buchmann 1.6 TString peakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
270     TString peakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+geq_or_leq()+TString(any2string(jzbSel)));
271     TString peakcentral("("+TString(mcjzb)+")"+geq_or_leq()+TString(any2string(jzbSel)));
272     TString npeakup("("+TString(mcjzb)+"+"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
273     TString npeakdown("("+TString(mcjzb)+"-"+TString(any2string(TMath::Abs(peakerr)))+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
274     TString npeakcentral("("+TString(mcjzb)+")"+ngeq_or_leq()+"-"+TString(any2string(jzbSel)));
275     nBins = 1;
276     string informalname="PeakErrorCalculation";
277     float resup,resdown,rescent;
278     for(int i=0;i<3;i++) {
279     string poscut,negcut;
280     if(i==0) {
281     poscut=peakcentral;
282     negcut=npeakcentral;
283     } else if(i==1) {
284     poscut=peakdown;
285     negcut=npeakdown;
286     } else if(i==2) {
287     poscut=peakup;
288     negcut=npeakup;
289     }
290 buchmann 1.10 float res;
291 buchmann 1.45 if(addcut=="") res=allcontributionsplot(events,cutnJets,cutmass,sidebandcut,poscut.c_str(),negcut.c_str(),flipped);
292     else res=allcontributionsplot(events,cutnJets&&addcut.c_str(),cutmass,sidebandcut,poscut.c_str(),negcut.c_str(),flipped);
293 buchmann 1.7 if(i==0) rescent=res;
294     else if(i==1) resdown=res;
295     else if(i==2) resup=res;
296 buchmann 1.6 }
297 buchmann 1.41 if(TMath::Abs(rescent-resup)>TMath::Abs(rescent-resdown)) result=(TMath::Abs(rescent-resup)/(float)rescent);
298     else result=(TMath::Abs(rescent-resdown)/(float)rescent);
299 buchmann 1.51 cout << " " << result << endl;
300 buchmann 1.6 }
301    
302 pablom 1.43
303 buchmann 1.45 void MCPartialefficiency(TTree *events,float &result, float &resulterr,int flipped, string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0, int type = 0) {
304 pablom 1.43 if(!events) {
305     write_error(__FUNCTION__,"Tree passed for efficiency calculation is invalid!");
306     result=0;resulterr=0;
307     return;
308     }
309    
310     char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel);
311     // All acceptance cuts at gen. level
312     //TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
313     TCut kbase("");
314     if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
315     if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
316     // Corresponding reco. cuts
317    
318     TCut acceptance("genPt2 != 0");
319     TCut massId(cutmass&&cutOSSF);
320     TCut njets(cutnJets);
321 buchmann 1.45 TCut jzbp;
322     TCut jzbn;
323     if(flipped==0) {
324     jzbp=TCut((TString(mcjzb)+geq_or_leq()+TString(jzbSelStr)));
325     jzbn=TCut((TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr)));
326     } else {
327     jzbp=TCut(TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
328     jzbn=TCut(TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
329     }
330 pablom 1.43 float ntotal = events->Draw("pt1", kbase, "goff");
331     TCut theCut;
332     switch(type) {
333     case 1:
334     theCut = kbase+acceptance;
335     break;
336     case 2:
337     theCut = kbase+massId;
338     break;
339     case 3:
340     theCut = kbase+massId+njets;
341     break;
342     case 4:
343     theCut = kbase+massId+njets+jzbn;
344     break;
345     default:
346     theCut = kbase+massId+njets+jzbn;
347     break;
348     }
349    
350     string stheCut(theCut);
351     char var[20];
352     sprintf(var, "pdfW[%d]", k);
353    
354     string svar(var);
355     string newtheCut;
356     if(k>0) newtheCut = "(" + stheCut + ")*" + svar;
357     else newtheCut = "(" + stheCut + ")"; // for k==0 or even k==-1 we don't need to evaluate PDFs
358    
359     TH1F *effh= new TH1F("effh","effh",1,-14000,14000);
360     if(k>=0) events->Draw((mcjzbexpression+">>effh").c_str(), newtheCut.c_str(),"goff");
361     else events->Draw((mcjzbexpression+">>effh").c_str(), theCut,"goff");
362     Float_t sel = effh->Integral();
363     Float_t nsel=0;
364     //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.
365     float normFactor = 1;
366     if(k>=0) get_norm_pdf_factor(events, k, addcut);
367     sel = sel/normFactor;
368    
369     result=(sel)/ntotal;
370     resulterr=TMath::Sqrt(sel/ntotal*(1+sel/ntotal)/ntotal);
371    
372 buchmann 1.52 delete effh;
373 pablom 1.43 }
374    
375 buchmann 1.6 //____________________________________________________________________________________
376 buchmann 1.1 // Total selection efficiency (MC)
377 buchmann 1.33 //returns the efficiency WITHOUT signal contamination, and the result and resulterr contain the result and the corresponding error
378 buchmann 1.45 Value MCefficiency(TTree *events,float &result, float &resulterr, int flipped, string mcjzb,bool requireZ,int Neventsinfile, string addcut="", int k = 0) {
379 buchmann 1.40 if(!events) {
380 buchmann 1.42 write_error(__FUNCTION__,"Tree passed for efficiency calculation is invalid!");
381     result=0;
382     resulterr=0;
383     return Value(0,0);
384 buchmann 1.40 }
385 buchmann 1.42
386 buchmann 1.1 char jzbSelStr[256]; sprintf(jzbSelStr,"%f",jzbSel);
387     // All acceptance cuts at gen. level
388 buchmann 1.14 //TCut kbase("abs(genMll-91.2)<20&&genNjets>2&&genZPt>0&&genJZB"+geq_or_leq()+TString(jzbSelStr)+"&&genId1==-genId2");
389     TCut kbase("");
390 buchmann 1.42
391     flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
392     if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
393 buchmann 1.9 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
394 buchmann 1.1 // Corresponding reco. cuts
395 buchmann 1.42
396     flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
397     TCut ksel;//("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
398     TCut ksel2;//("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
399     flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
400     if(PlottingSetup::RestrictToMassPeak||!ConsiderSignalContaminationForLimits) {
401     ksel=TCut("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
402     ksel2=TCut("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
403 buchmann 1.45 if(flipped>0) {
404     ksel=TCut("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr));
405     ksel2=TCut("pfJetGoodNum>2"&&cutmass&&"id1==id2&&"+TString(mcjzb)+geq_or_leq()+TString(jzbSelStr));
406     }
407 buchmann 1.42 } else {
408     //for off peak analysis we don't use the OSSF condition here yet so we can recycle these two cuts for the em condition!
409     ksel=TCut("pfJetGoodNum>2"&&cutmass&&(TString(mcjzb)+geq_or_leq()+TString(jzbSelStr)));
410     ksel2=TCut("pfJetGoodNum>2"&&cutmass&&(TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr)));
411 buchmann 1.45 if(flipped>0) {
412     ksel=TCut("pfJetGoodNum>2"&&cutmass&&(TString(mcjzb)+ngeq_or_leq()+TString("-")+TString(jzbSelStr)));
413     ksel2=TCut("pfJetGoodNum>2"&&cutmass&&(TString(mcjzb)+geq_or_leq()+TString(jzbSelStr)));
414     }
415 buchmann 1.42 }
416    
417 pablom 1.23 TCut posSide = kbase&&ksel;
418     TCut negSide = kbase&&ksel2;
419     string sposSide(posSide);
420     string snegSide(negSide);
421     char var[20];
422     sprintf(var, "pdfW[%d]", k);
423 buchmann 1.42 if(k==-1) sprintf(var,"1.0");//case in which we don't want to evaluate PDFs
424 pablom 1.23 string svar(var);
425 buchmann 1.42 string newPosSide = "((id1==id2)&&(" + sposSide + "))*" + svar;
426     string newNegSide = "((id1==id2)&&(" + snegSide + "))*" + svar;
427     string emnewPosSide = "((id1!=id2)&&(" + sposSide + "))*" + svar; // only used for off peak analysis
428     string emnewNegSide = "((id1!=id2)&&(" + snegSide + "))*" + svar; // only used for off peak analysis
429 pablom 1.23
430 buchmann 1.24 TH1F *effh= new TH1F("effh","effh",1,-14000,14000);
431 buchmann 1.50 if(k>=0)events->Draw((mcjzbexpression+">>effh").c_str(), TCut(newPosSide.c_str())*PlottingSetup::Weight,"goff");
432     else events->Draw((mcjzbexpression+">>effh").c_str(), TCut((sposSide+"&&(id1==id2)").c_str())*PlottingSetup::Weight,"goff");//the OSSF condition is added for the offpeak analysis, in onpeak case it's there already but doesn't change anything.
433 buchmann 1.52
434 buchmann 1.24 Float_t sel = effh->Integral();
435 buchmann 1.21 Float_t nsel=0;
436 buchmann 1.42
437     ///----------------------------------------------- THIS PART REQUIRES STUDYING! -------------------------
438    
439 buchmann 1.21 if(ConsiderSignalContaminationForLimits) {
440 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
441     if(PlottingSetup::RestrictToMassPeak) {
442 buchmann 1.50 events->Draw((mcjzbexpression+">>effh").c_str(), (TCut(newNegSide.c_str()))*PlottingSetup::Weight,"goff");
443 buchmann 1.42 nsel += effh->Integral();
444     } else {
445 buchmann 1.50 events->Draw((mcjzbexpression+">>effh").c_str(), (TCut(newNegSide.c_str()))*PlottingSetup::Weight,"goff");
446 buchmann 1.42 nsel += effh->Integral();
447 buchmann 1.50 events->Draw((mcjzbexpression+">>effh").c_str(), (TCut(emnewPosSide.c_str()))*PlottingSetup::Weight,"goff");
448 buchmann 1.42 nsel += effh->Integral();
449 buchmann 1.50 events->Draw((mcjzbexpression+">>effh").c_str(), (TCut(emnewNegSide.c_str()))*PlottingSetup::Weight,"goff");
450 buchmann 1.42 nsel -= effh->Integral();
451     }
452 buchmann 1.21 }
453 buchmann 1.42
454 pablom 1.23 //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.
455 buchmann 1.26 float normFactor = 1;
456 buchmann 1.42 if(k>=0) get_norm_pdf_factor(events, k, addcut);
457 pablom 1.23 sel = sel/normFactor;
458     nsel = nsel/normFactor;
459    
460 buchmann 1.13 Float_t tot = Neventsinfile;
461 buchmann 1.1
462 buchmann 1.33 Value result_wo_signalcont;
463    
464 buchmann 1.21 if(ConsiderSignalContaminationForLimits) {
465     result=(sel-nsel)/tot;
466     resulterr=(1.0/tot)*TMath::Sqrt(sel+nsel+(sel-nsel)*(sel-nsel)/tot);
467 buchmann 1.33 result_wo_signalcont=Value(sel/tot,TMath::Sqrt(sel/tot*(1+sel/tot)/tot));
468 buchmann 1.21 } else {//no signal contamination considered:
469     result=(sel)/tot;
470     resulterr=TMath::Sqrt(sel/tot*(1+sel/tot)/tot);
471 buchmann 1.33 result_wo_signalcont=Value(result,resulterr);
472 buchmann 1.21 }
473 pablom 1.43 if(!automatized && k>0 ) dout << "PDF assessment [" << k << "] : ";
474 buchmann 1.42 if(!automatized) dout << " MC efficiency: " << result << "+-" << resulterr << " ( JZB>" << jzbSel << " : " << sel << " , signal contamination : " << nsel << " and nevents=" << tot << ") with normFact=" << normFactor << std::endl;
475 buchmann 1.24 delete effh;
476 buchmann 1.34 return result_wo_signalcont;
477 buchmann 1.1 }
478    
479 buchmann 1.29
480 buchmann 1.42
481 buchmann 1.29 //____________________________________________________________________________________
482 buchmann 1.30 // Selection efficiency for one process (MC)
483 buchmann 1.45 // not in use anymore.
484     /*
485     vector<float> processMCefficiency(TTree *events,int flipped, string mcjzb,bool requireZ,int Neventsinfile, string addcut) {
486 buchmann 1.29 vector<float> process_efficiencies;
487     for(int iprocess=0;iprocess<=10;iprocess++) {
488     float this_process_efficiency,efferr;
489     stringstream addcutplus;
490     addcutplus<<addcut<<"&&(process=="<<iprocess<<")";
491 buchmann 1.45 MCefficiency(events,this_process_efficiency, efferr,flipped,mcjzb,requireZ,Neventsinfile, addcutplus.str(),-1);
492 buchmann 1.29 process_efficiencies.push_back(this_process_efficiency);
493     }
494     return process_efficiencies;
495     }
496 buchmann 1.45 */
497 buchmann 1.29
498 buchmann 1.45 void JZBefficiency(TTree *events, string informalname, float &jzbeff, float &jzbefferr, int flipped, bool requireZ, string addcut="") {
499 buchmann 1.42 TCut kbase(genMassCut&&"genNjets>2&&genZPt>0"&&cutmass&&cutOSSF);
500 buchmann 1.10 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
501 buchmann 1.42 if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
502 buchmann 1.45 TH1F* hLM4 = plotEff(events,kbase,informalname,flipped);
503 buchmann 1.1 Int_t bin = hLM4->FindBin(jzbSel); // To get the error
504 buchmann 1.8 jzbeff=Interpolate(jzbSel,hLM4);
505     jzbefferr=hLM4->GetBinError(bin);
506 buchmann 1.5 if(!automatized) dout << " Efficiency at JZB==" << jzbSel << std::endl;
507 buchmann 1.8 if(!automatized) dout << " " << jzbeff << "+-" << jzbefferr << std::endl;
508 buchmann 1.1 }
509    
510     //________________________________________________________________________
511     // Effect of energy scale on efficiency
512 buchmann 1.48 void JZBjetScale(TTree *events, float &jesdown, float &jesup, string informalname, int flipped, bool requireZ,string addcut="",Float_t jzbSelection=-1, TString plotName = "" ) {
513 buchmann 1.42 TCut kbase(genMassCut&&"genZPt>0");
514 buchmann 1.10 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
515 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
516     if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
517 buchmann 1.8
518 buchmann 1.42 TCut ksel(cutmass&&cutOSSF);
519 buchmann 1.1 TCut nJets("pfJetGoodNum>2");
520     stringstream down,up;
521 buchmann 1.48 down << "pfJetGoodNumn1sigma>=3";
522     up << "pfJetGoodNump1sigma>=3";
523 buchmann 1.1
524     TCut nJetsP(up.str().c_str());
525     TCut nJetsM(down.str().c_str());
526    
527     if ( !(plotName.Length()>1) ) plotName = informalname;
528    
529     nBins = 1; jzbMin = jzbSel*0.95; jzbMax = jzbSel*1.05;
530 buchmann 1.51 TH1F* hist = plotEff(events,(kbase&&ksel&&nJets),informalname,flipped);
531 buchmann 1.45 TH1F* histp = plotEff(events,(kbase&&ksel&&nJetsP),informalname,flipped);
532     TH1F* histm = plotEff(events,(kbase&&ksel&&nJetsM),informalname,flipped);
533 buchmann 1.1
534     // Dump some information
535     Float_t eff = Interpolate(jzbSel,hist);
536     Float_t effp = Interpolate(jzbSel,histp);
537     Float_t effm = Interpolate(jzbSel,histm);
538 buchmann 1.5 if(!automatized) dout << " Efficiency at JZB==" << jzbSel << std::endl;
539     if(!automatized) dout << " JESup: " << effp << " (" << (effp-eff)/eff*100. << "%)" << std::endl;
540     if(!automatized) dout << " central: " << eff << std::endl;
541     if(!automatized) dout << " JESdown: " << effm << " (" << (effm-eff)/eff*100. << "%)" << std::endl;
542 buchmann 1.18 jesup=(effp-eff)/eff;
543     jesdown=(effm-eff)/eff;
544 buchmann 1.1 }
545    
546     //________________________________________________________________________
547     // Effect of energy scale on JZB efficiency
548 buchmann 1.45 void doJZBscale(TTree *events, float &down, float &up, float &syst, float systematic, string informalname, int flipped, bool requireZ, string addcut) {
549 buchmann 1.1
550 buchmann 1.42 TCut kbase(genMassCut&&"genZPt>0&&genNjets>2");
551 buchmann 1.10 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
552 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,true);//PlottingSetup::RestrictToMassPeak
553     if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
554     TCut ksel(cutmass&&cutOSSF);
555 buchmann 1.1
556     nBins = 50;
557     jzbMin = 0.5*jzbSel;
558     jzbMax = 2.0*jzbSel;
559    
560 buchmann 1.45 TH1F* hist = plotEff(events,kbase&&ksel,informalname,flipped);
561 buchmann 1.1
562     // Dump some information
563     Float_t eff = Interpolate(jzbSel,hist);
564     Float_t effp = Interpolate(jzbSel*(1.+systematic),hist);
565     Float_t effm = Interpolate(jzbSel*(1.-systematic),hist);
566 buchmann 1.33 if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.+systematic) << "(-"<<systematic*100<<"%) : " << effp << " (" << ((effp-eff)/eff)*100. << "%)" << std::endl;
567 buchmann 1.5 if(!automatized) dout << " efficiency at JZB==" << jzbSel << ": " << eff << std::endl;
568 buchmann 1.33 if(!automatized) dout << " efficiency at JZB==" << jzbSel*(1.-systematic) << "(-"<<systematic*100<<"%) : " << effm << " (" << ((effm-eff)/eff)*100. << "%)" << std::endl;
569 buchmann 1.18 up=((effp-eff)/eff);
570     down=((effm-eff)/eff);
571 buchmann 1.1 }
572    
573     //________________________________________________________________________
574     // JZB response (true/reco. vs. true)
575 buchmann 1.45 void JZBresponse(TTree *events, bool requireZ, float &resp, float &resperr, int flipped, string addcut="", bool isMET = kFALSE, Float_t myJzbMax = 200., Int_t nPeriods = 9 ) {
576 buchmann 1.1
577     jzbMin = 20;
578 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,false);//PlottingSetup::RestrictToMassPeak
579     TCut kbase(genMassCut&&"genZPt>0&&genNjets>2");
580 buchmann 1.10 if(addcut!="") kbase=kbase&&addcut.c_str();//this is mostly for SUSY scans (adding requirements on masses)
581 buchmann 1.42 flag_this_change(__FUNCTION__,__LINE__,false);//PlottingSetup::RestrictToMassPeak
582     if(requireZ&&PlottingSetup::RestrictToMassPeak) kbase=kbase&&"TMath::Abs(genMID)==23";
583     flag_this_change(__FUNCTION__,__LINE__,false);//PlottingSetup::RestrictToMassPeak
584     TCut ksel(cutmass&&cutOSSF);
585 buchmann 1.1
586 buchmann 1.8 TProfile* hJzbResp = new TProfile("hJzbResp","JZB response ; JZB true (GeV/c); JZB reco. / JZB true", nPeriods, jzbMin, myJzbMax, "" );
587 buchmann 1.1
588 buchmann 1.45 string locmcjzbexpression=mcjzbexpression;
589     if(flipped>0) locmcjzbexpression="-"+locmcjzbexpression;
590     string possibleminus="";
591     if(flipped>0) possibleminus="-";
592     if (!isMET) events->Project("hJzbResp","("+TString(locmcjzbexpression)+")/("+possibleminus+"genJZB):("+possibleminus+"genJZB)",kbase&&ksel);
593 buchmann 1.1 else events->Project("hJzbResp","met[4]/genMET:genMET",kbase&&ksel);
594    
595     hJzbResp->SetMaximum(1.2);
596     hJzbResp->SetMinimum(0.2);
597     hJzbResp->Fit("pol0","Q");
598     TF1 *fittedfunction = hJzbResp->GetFunction("pol0");
599 buchmann 1.32 if(!fittedfunction) {
600     // in case there are not enough points passing our selection
601     cout << "OOPS response function invalid, assuming 100% error !!!!" << endl;
602     resp=1;
603     resperr=1;
604     } else {
605     resp=fittedfunction->GetParameter(0);
606     resperr=fittedfunction->GetParError(0);
607     if(!automatized) dout << " Response: " << resp << " +/- " << resperr << endl;
608     }
609 buchmann 1.5 delete hJzbResp;
610 buchmann 1.1 }
611    
612    
613 pablom 1.23 //________________________________________________________________________________________
614     // PDF uncertainty
615 buchmann 1.45 float get_pdf_uncertainty(TTree *events, int flipped, string mcjzb, bool requireZ, int Neventsinfile, int NPdfs, string addcut="") {
616 pablom 1.23 std::vector<float> efficiency;
617 buchmann 1.24 for(int k = 1; k < NPdfs; k++) {
618 pablom 1.23 float result, resulterr;
619 buchmann 1.45 Value flipval;
620     MCefficiency(events, result, resulterr, flipped, mcjzb, requireZ, Neventsinfile, addcut, k);
621 pablom 1.23 efficiency.push_back(result);
622     }
623 buchmann 1.24 float errHi, errLow,err;
624 pablom 1.23 master_formula(efficiency, errHi, errLow);
625 buchmann 1.24 err=errLow;
626     if(errHi>errLow) err=errHi;
627     if(!automatized) dout << " Uncertainty from PDF: " << errLow << " (low) and " << errHi << "(high) ---> Picked " << err << endl;
628     return err;
629 pablom 1.23
630     }
631    
632 buchmann 1.24 int get_npdfs(TTree *events) {
633     int NPDFs;
634     events->SetBranchAddress("NPdfs",&NPDFs);
635     events->GetEntry(1);
636     return NPDFs;
637     }
638    
639 pablom 1.23
640 buchmann 1.45 void do_systematics_for_one_file(TTree *events,int Neventsinfile,string informalname, vector<vector<float> > &results,int flipped, string mcjzb,string datajzb,float peakerror,bool requireZ=false, string addcut="", bool ismSUGRA=false) {
641 buchmann 1.48 float JZBScaleUncert=0.05;
642 buchmann 1.2 mcjzbexpression=mcjzb;
643 buchmann 1.48 float triggereff=2.0/100;// in range [0,1]
644 buchmann 1.5 dout << "Trigger efficiency not implemented in this script yet, still using external one" << endl;
645 buchmann 1.18 float leptonseleff=2.0/100;// in range [0,1]
646 buchmann 1.32 leptonseleff=TMath::Sqrt(leptonseleff*leptonseleff+leptonseleff*leptonseleff); // because the 2% is per lepton
647 buchmann 1.5 dout << "Lepton selection efficiency not implemented in this script yet, still using external one" << endl;
648 buchmann 1.1
649 buchmann 1.27 int NPdfs=0;
650     if(ismSUGRA) NPdfs = get_npdfs(events);
651 buchmann 1.29
652 buchmann 1.8 float mceff,mcefferr,jzbeff,jzbefferr;
653 buchmann 1.5 if(!automatized) dout << "MC efficiencies:" << endl;
654 buchmann 1.45 Value flipefficiency;
655     Value mceff_nosigcont = MCefficiency(events,mceff,mcefferr,flipped,mcjzb,requireZ,Neventsinfile,addcut,-1);
656 buchmann 1.35 if(!automatized) cout << " Without signal contamination, we find an efficiency of " << mceff_nosigcont << endl;
657    
658 buchmann 1.45 if(PlottingSetup::computeJZBefficiency) JZBefficiency(events,informalname,jzbeff,jzbefferr,flipped,requireZ,addcut);
659 buchmann 1.8 if(!automatized) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << endl;
660 buchmann 1.1
661 buchmann 1.51 if(!automatized) dout << "Error from Peak position:";
662 buchmann 1.6 float sysfrompeak=0;
663 buchmann 1.45 PeakError(events,sysfrompeak,mcjzb,peakerror,flipped,addcut);
664 buchmann 1.6
665 buchmann 1.51 if(!automatized) dout << "Jet energy scale (JES): " << std::endl;
666 buchmann 1.42 float jesup,jesdown;
667 buchmann 1.48 JZBjetScale(events,jesdown,jesup,informalname,flipped,requireZ,addcut);
668 buchmann 1.1
669 buchmann 1.5 if(!automatized) dout << "JZB scale: " << std::endl;
670 buchmann 1.42 float scaleup,scaledown,scalesyst;
671 buchmann 1.45 doJZBscale(events,scaledown,scaleup,scalesyst,JZBScaleUncert,informalname,flipped,requireZ,addcut);
672 buchmann 1.1
673 buchmann 1.5 if(!automatized) dout << "JZB response: " << std::endl;
674 buchmann 1.42 float resp,resperr;
675     if(PlottingSetup::computeJZBresponse) {
676 buchmann 1.32 if(!automatized) dout << "JZB response: " << std::endl;
677 buchmann 1.48 if(!ismSUGRA) JZBresponse(events,requireZ,resp,resperr,flipped,addcut);
678 buchmann 1.32 }
679 buchmann 1.1
680 buchmann 1.5 if(!automatized) dout << "Pileup: " << std::endl;
681 buchmann 1.48 // float resolution;
682     //resolution=pileup(events,requireZ,informalname,flipped,addcut);
683 pablom 1.23
684 buchmann 1.22 float PDFuncert=0;
685 buchmann 1.42 if(!automatized) dout << "Assessing PDF uncertainty: " << std::endl;
686 buchmann 1.45 if(ismSUGRA) PDFuncert = get_pdf_uncertainty(events, flipped, mcjzb, requireZ, Neventsinfile, NPdfs, addcut);
687 pablom 1.23
688 buchmann 1.5 dout << "_______________________________________________" << endl;
689 buchmann 1.10 dout << " SUMMARY FOR " << informalname << " with JZB>" << jzbSel << " (all in %) ";
690     if(addcut!="") dout << "With additional cut: " << addcut;
691     dout << endl;
692 buchmann 1.18 dout << "MC efficiency: " << mceff << "+/-" << mcefferr << endl; // in range [0,1]
693     dout << "Trigger efficiency: " << triggereff << endl; // in range [0,1]
694     dout << "Lepton Sel Eff: " << leptonseleff << endl; // in range [0,1]
695     dout << "Jet energy scale: " << jesup << " " << jesdown << endl; // in range [0,1]
696     dout << "JZB Scale Uncert: " << scaledown << " " << scaleup << endl; // in range [0,1]
697 buchmann 1.48 // dout << "Resolution : " << resolution << endl; // in range [0,1]
698 buchmann 1.18 dout << "From peak : " << sysfrompeak << endl; // in range [0,1]
699 buchmann 1.24 if(ismSUGRA) dout << "PDF uncertainty : " << PDFuncert << endl; // in range [0,1]
700 buchmann 1.32 if(PlottingSetup::computeJZBefficiency) dout << "JZB efficiency: " << jzbeff << "+/-" << jzbefferr << " (not yet included below) " << endl; // in range [0,1]
701     if(PlottingSetup::computeJZBresponse)dout << "JZB response : " << resp << " +/-" << resperr << " (not yet included below) " << endl; // in range [0,1]
702 buchmann 1.1
703 buchmann 1.4 float toterr=0;
704 buchmann 1.18 toterr+=(triggereff)*(triggereff);
705     toterr+=(leptonseleff)*(leptonseleff);
706     if(fabs(jesup)>fabs(jesdown)) toterr+=(jesup*jesup); else toterr+=(jesdown*jesdown);
707     if(fabs(scaleup)>fabs(scaledown)) toterr+=(scaleup*scaleup); else toterr+=(scaledown*scaledown);
708 buchmann 1.48 // toterr+=(resolution*resolution);
709 buchmann 1.18 toterr+=(sysfrompeak*sysfrompeak);
710 buchmann 1.22 if(ismSUGRA) toterr+=(PDFuncert*PDFuncert);
711 buchmann 1.18 dout << "TOTAL SYSTEMATICS: " << TMath::Sqrt(toterr) << " --> " << TMath::Sqrt(toterr)*mceff << endl;
712 buchmann 1.19 float systerr=TMath::Sqrt(toterr)*mceff;
713     toterr=TMath::Sqrt(toterr*mceff*mceff+mcefferr*mcefferr);//also includes stat err!
714    
715     dout << "FINAL RESULT : " << 100*mceff << " +/- "<< 100*mcefferr << " (stat) +/- " << 100*systerr << " (syst) %" << endl;
716     dout << " we thus use the sqrt of the sum of the squares of the stat & syst err, which is : " << 100*toterr << endl;
717 buchmann 1.36 dout << "_______________________________________________" << endl;
718 buchmann 1.19
719     //Do not modify the lines below or mess with the order; this order is expected by all limit calculating functions!
720 buchmann 1.4 vector<float> res;
721     res.push_back(jzbSel);
722     res.push_back(mceff);
723     res.push_back(mcefferr);
724     res.push_back(toterr);
725     res.push_back(TMath::Sqrt((mcefferr)*(mcefferr)+(toterr*toterr)));
726 buchmann 1.18 if(fabs(jesup)>fabs(jesdown)) res.push_back(fabs(jesup)); else res.push_back(fabs(jesdown));
727     if(fabs(scaleup)>fabs(scaledown)) res.push_back(fabs(scaleup)); else res.push_back(fabs(scaledown));
728 buchmann 1.48 // res.push_back(fabs(resolution));
729 buchmann 1.49 res.push_back(0.0);
730 buchmann 1.35 res.push_back(mceff_nosigcont.getValue());
731     res.push_back(mceff_nosigcont.getError());
732     if(ismSUGRA) res.push_back(PDFuncert);
733 buchmann 1.34 results.push_back(res);
734 buchmann 1.1 }
735    
736 buchmann 1.45 vector<vector<float> > compute_systematics(string mcjzb, float mcpeakerror, int flipped, string datajzb, samplecollection &signalsamples, vector<float> bins, bool requireZ=false) {
737 buchmann 1.4 automatized=true;
738     vector< vector<float> > systematics;
739 buchmann 1.1 for (int isignal=0; isignal<signalsamples.collection.size();isignal++) {
740 buchmann 1.5 dout << "Looking at signal " << (signalsamples.collection)[isignal].filename << endl;
741 buchmann 1.1 for(int ibin=0;ibin<bins.size();ibin++) {
742     jzbSel=bins[ibin];
743 buchmann 1.2 geqleq="geq";
744 buchmann 1.45 do_systematics_for_one_file((signalsamples.collection)[isignal].events,(signalsamples.collection)[isignal].Nentries,(signalsamples.collection)[isignal].samplename,systematics,flipped,mcjzb,datajzb,mcpeakerror,requireZ);
745 buchmann 1.1 }//end of bin loop
746     }//end of signal loop
747 buchmann 1.4 return systematics;
748 buchmann 1.1 }