ViewVC Help

View File | Revision Log | Show Annotations | Root Listing

root/cvsroot/UserCode/cbrown/Development/Plotting/Modules/WZStudy.C

Comparing UserCode/cbrown/Development/Plotting/Modules/WZStudy.C (file contents):
Revision 1.3 by buchmann, Fri Oct 12 15:45:14 2012 UTC vs.
Revision 1.5 by buchmann, Wed Nov 28 17:51:30 2012 UTC

#	Line 18 | Line 18
18
19		using namespace std;
20
21	+	namespace TriLeptons {
22	+	float Rsfof_CorrectionFactor=-1;
23	+	float Rsfof_CorrectionFactor_Error=-1;
24	+	}
25	+
26		string IdentifierForUnderlinedEntry(string Entry) {
27		if(Contains(Entry,"t_bar_t__")) return "ttbar";
28		if(Contains(Entry,"Single_top__")) return "SingleTop";
#	Line 37 | Line 42 | void WZ_kin_plot(string variable, int nb
42
43		THStack stack = allsamples.DrawStack("stack",variable,nbins,min,high,xlabel, "events", cut,mc, luminosity);
44		TH1F *hdata = allsamples.Draw("hdata",variable,nbins,min,high,xlabel, "events", cut,data, luminosity);
45	<
45	>
46	>	float StackMax=CollapseStack(stack)->GetMaximum();
47	>	if(StackMax>hdata->GetMaximum()) hdata->SetMaximum(1.2*StackMax);
48		hdata->Draw("e1");
49		stack.Draw("same");
50		hdata->Draw("e1,same");
51	+
52		TLegend *kinleg = allsamples.allbglegend();
53		kinleg->Draw();
54		DrawPrelim();
#	Line 66 | Line 74 | void WZ_kin_plot(string variable, int nb
74		spurity << "#splitline{" << IdentifierForUnderlinedEntry(h->GetName()) << " : " << h->Integral() << "}{";
75		}
76
77	<	spurity << "#splitline{Purity: " << wz/total << "}{Nevents: " << total << "}";
77	>	spurity << "#splitline{Purity: " << wz/total << "}{N(events): " << total << "}";
78		for(int i=0;i<bracecounter;i++) spurity << "}";
79
80		TPaveText *PurityPaveText = new TPaveText(0.60, 0.40,0.89, 0.6,"blNDC");
#	Line 88 | Line 96 | void WZ_kin_plot(string variable, int nb
96		delete can;
97		}
98
99	+	void SF_vs_OF_plots(string variable, int nbins, float min, float high, string xlabel, TCut cut, TCut sf, TCut of, int mcordata, string saveas) {
100	+	TCanvas *can = new TCanvas("can","can");
101	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
102	+	pad->cd();
103	+
104	+	TLegend *kinleg = make_legend();
105	+	if(mcordata==data) kinleg->SetHeader("Data");
106	+	else kinleg->SetHeader("MC");
107	+
108	+	TH1F *sfdata = allsamples.Draw("sfdata",variable,nbins,min,high,xlabel, "events", cut&&sf,mcordata, luminosity);
109	+	TH1F *ofdata = allsamples.Draw("ofdata",variable,nbins,min,high,xlabel, "events", cut&&of,mcordata, luminosity);
110	+
111	+	float OFmax=ofdata->GetMaximum();
112	+	if(OFmax>sfdata->GetMaximum()) sfdata->SetMaximum(1.2*OFmax);
113	+	ofdata->SetLineColor(kRed);
114	+	sfdata->Draw("e1");
115	+	ofdata->Draw("histo,same");
116	+	sfdata->Draw("e1,same");
117	+
118	+	kinleg->AddEntry(sfdata,"Same flavor","p");
119	+	kinleg->AddEntry(ofdata,"Opposite flavor","l");
120	+	kinleg->Draw();
121	+	if(mcordata==data) DrawPrelim();
122	+	else DrawMCPrelim();
123	+
124	+	save_with_ratio(sfdata,ofdata,pad->cd(),"WZ_study/SF_vs_OF_plots/"+saveas);
125	+	delete sfdata;
126	+	delete ofdata;
127	+	delete can;
128	+	}
129	+
130		void write_report(TCut BasicCut, TCut cut, ofstream &report) {
131		THStack stack = allsamples.DrawStack("stack","tri_mll",10,0,1000,"m_{ll}", "events", BasicCut&&cut,mc, luminosity);
132		float total=0;
#	Line 109 | Line 148 | void write_report(TCut BasicCut, TCut cu
148
149		}
150
151	<	vector<string> producecuts(string variablename, float cut1, float cut2, float cut3, float cut4, float cut5, float cut6 ) {
152	<	float allcuts[6] = {cut1,cut2,cut3,cut4,cut5,cut5};
151	>	vector<string> producecuts(string variablename, float cut1, float cut2, float cut3=-1, float cut4=-1, float cut5=-1, float cut6=-1, float cut7=-1, float cut8=-1, float cut9=-1, float cut10=-1, float cut11=-1 ) {
152	>	float allcuts[12] = {cut1,cut2,cut3,cut4,cut5,cut6,cut7,cut8,cut9,cut10,cut11};
153		vector<string> cuts;
154	<	for(int i = 0; i < 6; ++i ) {
154	>	for(int i = 0; i < 11; ++i ) {
155		if(allcuts[i]<0) continue;
156		stringstream nowcut;
157		nowcut << variablename << allcuts[i];
#	Line 126 | Line 165 | void OptimizeSelection(TCut BasicCut) {
165		ofstream report;
166		report.open ("report3.txt");
167
168	<	vector<string> mt   = producecuts("tri_mT>",0,10,20,30,40,50);
168	>	vector<string> mt   = producecuts("tri_mT>",0,10,15,20,25,30,35,40,45,50);
169		vector<string> et   = producecuts("met[4]>",0,10,20,30,40,50);
170	<	vector<string> mll  = producecuts("abs(tri_mll-91.2)<",10000,10,20,-1,-1,-1);
171	<	vector<string> mlll = producecuts("abs(tri_mlll-91)>",0,10,20,30,40,50);
170	>	vector<string> mll  = producecuts("abs(tri_mll-91.2)<",10000,5,10,15,20);
171	>	vector<string> mlll = producecuts("abs(tri_mlll-91)>",0,5,10,15,20,25,30,40,50);
172
173		for(int imt=0;imt<mt.size();imt++) {
174		for(int iet=0;iet<et.size();iet++) {
#	Line 147 | Line 186 | void OptimizeSelection(TCut BasicCut) {
186		report.close();
187		}
188
189	+	void SF_OF_comparison(TCut BasicCut, TCut Selection) {
190	+	int nbins=38;
191	+	float mll_low=10;
192	+	float mll_hi=200;
193	+
194	+	// all MC samples
195	+	TH1F *sfmc   = allsamples.Draw("sfmc"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF,mc  , luminosity);
196	+	TH1F *ofmc   = allsamples.Draw("ofmc"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF,mc  , luminosity);
197	+
198	+	TCanvas *can = new TCanvas("can","can");
199	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
200	+	pad->cd();
201	+	if(ofmc->GetMaximum()>sfmc->GetMaximum()) sfmc->SetMaximum(1.3*ofmc->GetMaximum());
202	+	ofmc->SetLineColor(kRed);
203	+	TLegend *leg = make_legend();
204	+	leg->AddEntry(sfmc,"same flavor","P");
205	+	leg->AddEntry(ofmc,"opposite flavor","L");
206	+	leg->SetHeader("MC:");
207	+	sfmc->Draw("e1");
208	+	ofmc->Draw("histo,same");
209	+	sfmc->Draw("e1,same");
210	+	leg->Draw();
211	+	DrawMCPrelim();
212	+
213	+	save_with_ratio(sfmc,ofmc,pad->cd(),"WZ_study/OFSFcomparison_MC");
214	+
215	+	// WZ only
216	+	TH1F *sfwz   = allsamples.Draw("sfwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF,mc  , luminosity,allsamples.FindSample("WZJetsTo3"));
217	+	TH1F *ofwz   = allsamples.Draw("ofwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF,mc  , luminosity,allsamples.FindSample("WZJetsTo3"));
218	+
219	+	TPad *pad2 = new TPad("pad","pad",0,0,1,1);
220	+	pad2->cd();
221	+	if(ofwz->GetMaximum()>sfwz->GetMaximum()) sfwz->SetMaximum(1.3*ofwz->GetMaximum());
222	+	ofwz->SetLineColor(kRed);
223	+	sfwz->Draw("e1");
224	+	ofwz->Draw("histo,same");
225	+	sfwz->Draw("e1,same");
226	+	leg->SetHeader("WZ MC:");
227	+	leg->Draw();
228	+	DrawMCPrelim();
229	+
230	+	save_with_ratio(sfwz,ofwz,pad2->cd(),"WZ_study/OFSFcomparison_WZ");
231	+
232	+	// data
233	+	TH1F *sfdata = allsamples.Draw("sfdata","tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF,data, luminosity);
234	+	TH1F *ofdata = allsamples.Draw("ofdata","tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF,data, luminosity);
235	+
236	+	TPad *pad3 = new TPad("pad","pad",0,0,1,1);
237	+	pad3->cd();
238	+	if(ofdata->GetMaximum()>sfdata->GetMaximum()) sfdata->SetMaximum(1.3*ofdata->GetMaximum());
239	+	ofdata->SetLineColor(kRed);
240	+	sfdata->Draw("e1");
241	+	ofdata->Draw("histo,same");
242	+	sfdata->Draw("e1,same");
243	+	leg->SetHeader("Data:");
244	+	leg->Draw();
245	+	DrawPrelim();
246	+
247	+	save_with_ratio(sfdata,ofdata,pad3->cd(),"WZ_study/OFSFcomparison_data");
248	+
249	+	delete can;
250	+
251	+	dout << "SF events: " << sfdata->Integral() << "   (mc : " << sfmc->Integral() << " , wz : " << sfwz->Integral() << " )   WZ purity: " << 100*sfwz->Integral()/sfmc->Integral() << " %" << endl;
252	+	dout << "OF events: " << ofdata->Integral() << "   (mc : " << ofmc->Integral() << " , wz : " << ofwz->Integral() << " )   WZ purity: " << 100*ofwz->Integral()/ofmc->Integral() << " %" << endl;
253	+
254	+	dout << "RATIO : SF / OF = " << sfdata->Integral() / ofdata->Integral() << " +/- " << (sfdata->Integral()/ofdata->Integral()) * TMath::Sqrt(1/sfdata->Integral()+1/ofdata->Integral()) << " (stat) " << endl;
255	+
256	+	TriLeptons::Rsfof_CorrectionFactor=ofwz->Integral() / sfwz->Integral();
257	+	TriLeptons::Rsfof_CorrectionFactor_Error=(ofwz->Integral()/sfwz->Integral()) * TMath::Sqrt(1/sfwz->Integral()+1/ofwz->Integral());
258	+
259	+	}
260	+
261	+	void DrawMatchGenDistribution(string variable, int nbins, float low, float high, bool uselog, string xlabel, string SaveAs, TCut basecut) {
262	+	TLegend *leg = make_legend();
263	+	leg->SetY1(0.7);
264	+	TCanvas *can = new TCanvas("can","can");
265	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
266	+	pad->cd();
267	+	pad->SetLogy(uselog);
268	+
269	+	TCut IsMatch("(gentri_GoodWMatch&&gentri_GoodZMatch)");
270	+	TCut NoMatch("!(gentri_GoodWMatch&&gentri_GoodZMatch)");
271	+
272	+	TH1F *goodMatch = allsamples.Draw("goodMatch",variable,nbins,low,high,xlabel,"events",basecut&&IsMatch,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
273	+	TH1F *noMatch =   allsamples.Draw("noMatch",  variable,nbins,low,high,xlabel,"events",basecut&&NoMatch,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
274	+
275	+	noMatch->SetLineColor(TColor::GetColor("#FF0000"));//an evil red
276	+	goodMatch->SetLineColor(TColor::GetColor("#04B404")); // a nice green
277	+
278	+	//   noMatch->Scale(1.0/noMatch->Integral());
279	+	//   goodMatch->Scale(1.0/goodMatch->Integral());
280	+
281	+	if(noMatch->GetMaximum()>goodMatch->GetMaximum()) goodMatch->SetMaximum(1.3*noMatch->GetMaximum());
282	+
283	+	goodMatch->Draw("histo");
284	+	noMatch->Draw("histo,same");
285	+
286	+	leg->AddEntry(goodMatch,"correct match","l");
287	+	leg->AddEntry(noMatch,"incorrect match","l");
288	+	leg->Draw();
289	+
290	+	save_with_ratio(goodMatch,noMatch,pad->cd(),"WZ_study/GenMatchComparison/"+SaveAs);
291	+
292	+	delete goodMatch;
293	+	delete noMatch;
294	+	delete can;
295	+	}
296	+
297	+	void DrawMatchRecoDistribution(string variable, int nbins, float low, float high, bool uselog, string xlabel, string SaveAs, TCut basecut) {
298	+	TLegend *leg = make_legend();
299	+	leg->SetY1(0.7);
300	+	TCanvas *can = new TCanvas("can","can");
301	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
302	+	pad->cd();
303	+	pad->SetLogy(uselog);
304	+
305	+	TCut IsMatch("(tri_GoodWMatch&&tri_GoodZMatch)");
306	+	TCut NoMatch("!(tri_GoodWMatch&&tri_GoodZMatch)");
307	+
308	+	TH1F *goodMatch = allsamples.Draw("goodMatch",variable,nbins,low,high,xlabel,"events",basecut&&IsMatch,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
309	+	TH1F *noMatch =   allsamples.Draw("noMatch",  variable,nbins,low,high,xlabel,"events",basecut&&NoMatch,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
310	+
311	+	noMatch->SetLineColor(TColor::GetColor("#FF0000"));//an evil red
312	+	goodMatch->SetLineColor(TColor::GetColor("#04B404")); // a nice green
313	+
314	+	//   noMatch->Scale(1.0/noMatch->Integral());
315	+	//   goodMatch->Scale(1.0/goodMatch->Integral());
316	+
317	+	if(noMatch->GetMaximum()>goodMatch->GetMaximum()) goodMatch->SetMaximum(1.3*noMatch->GetMaximum());
318	+
319	+	goodMatch->Draw("histo");
320	+	noMatch->Draw("histo,same");
321	+
322	+	leg->AddEntry(goodMatch,"correct match","l");
323	+	leg->AddEntry(noMatch,"incorrect match","l");
324	+	leg->Draw();
325	+	DrawPrelim();
326	+
327	+	save_with_ratio(goodMatch,noMatch,pad->cd(),"WZ_study/RecoMatchComparison/"+SaveAs);
328	+
329	+	delete goodMatch;
330	+	delete noMatch;
331	+	delete can;
332	+	}
333	+
334	+	void GenSFOFCalculator(string title, TCut Cut) {
335	+	TH1F *histoSF = allsamples.Draw("histoSF","gentri_mll",1,0,1000,"processing","events",Cut&&TCut("abs(gentri_id2)==abs(gentri_id3)"),mc,luminosity,allsamples.FindSample("WZJetsTo3"));
336	+	TH1F *histoOF = allsamples.Draw("histoOF","gentri_mll",1,0,1000,"processing","events",Cut&&TCut("abs(gentri_id2)!=abs(gentri_id3)"),mc,luminosity,allsamples.FindSample("WZJetsTo3"));
337	+	cout << title << endl;
338	+	cout << "     " << (const char*) Cut << endl;
339	+	cout << "     SF:    \t" << histoSF->Integral() << " +/- " << sqrt(histoSF->GetEntries())*(histoSF->Integral()/histoSF->GetEntries()) << endl;
340	+	cout << "     OF:    \t" << histoOF->Integral() << " +/- " << sqrt(histoOF->Integral())*(histoOF->Integral()/histoOF->GetEntries()) << endl;
341	+	cout << "     SF/OF: \t" << histoSF->Integral() / histoOF->Integral() << " +/- " << histoSF->GetEntries() / histoOF->GetEntries() * sqrt(1.0/histoSF->GetEntries() + 1.0 / histoOF->GetEntries()) << endl;
342	+
343	+	delete histoSF;
344	+	delete histoOF;
345	+	}
346	+
347	+	void reco_SF_OF_comparison(TCut Base, TCut Selection) {
348	+
349	+	bool dolog=true;
350	+	bool nolog=false;
351	+
352	+	DrawMatchRecoDistribution("tri_mlll",60,0,300,dolog,"m_{lll}","TrileptonMass",Base);
353	+	DrawMatchRecoDistribution("tri_mll",60,0,300,dolog,"m_{l_{1}l_{2}}","LeadingDileptonMass",Base);
354	+	DrawMatchRecoDistribution("tri_mT",50,0,100,nolog,"m_{T}","MT",Base);
355	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass",Base);
356	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass_SF",Base&&TCut("abs(tri_id2)==abs(tri_id3)"));
357	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass_OF",Base&&TCut("abs(tri_id2)!=abs(tri_id3)"));
358	+	DrawMatchRecoDistribution("genMET",60,0,300,dolog,"gen MET","MET",Base);
359	+	DrawMatchRecoDistribution("abs(tri_id1)",50,-0.5,49.5,nolog,"id(l_{1})","genID1",Base);
360	+	DrawMatchRecoDistribution("abs(tri_id2)",50,-0.5,49.5,nolog,"id(l_{2})","genID2",Base);
361	+	DrawMatchRecoDistribution("abs(tri_id3)",50,-0.5,49.5,nolog,"id(l_{3})","genID3",Base);
362	+	DrawMatchRecoDistribution("abs(tri_genMID1)",50,-0.5,49.5,nolog,"mother id(l_{1})","genMID1",Base);
363	+	DrawMatchRecoDistribution("abs(tri_genMID2)",50,-0.5,49.5,nolog,"mother id(l_{2})","genMID2",Base);
364	+	DrawMatchRecoDistribution("abs(tri_genMID3)",50,-0.5,49.5,nolog,"mother id(l_{3})","genMID3",Base);
365	+
366	+	DrawMatchRecoDistribution("tri_mlll",60,0,300,dolog,"m_{lll}","FullSelection/TrileptonMass",Base&&Selection);
367	+	DrawMatchRecoDistribution("tri_mll",60,0,300,dolog,"m_{l_{1}l_{2}}","FullSelection/LeadingDileptonMass",Base&&Selection);
368	+	DrawMatchRecoDistribution("tri_mT",50,0,100,nolog,"m_{T}","FullSelection/MT",Base&&Selection);
369	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass",Base&&Selection);
370	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass_SF",Base&&TCut("abs(tri_id2)==abs(tri_id3)")&&Selection);
371	+	DrawMatchRecoDistribution("tri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass_OF",Base&&TCut("abs(tri_id2)!=abs(tri_id3)")&&Selection);
372	+	DrawMatchRecoDistribution("genMET",60,0,300,dolog,"gen MET","FullSelection/MET",Base&&Selection);
373	+	DrawMatchRecoDistribution("abs(tri_id1)",50,-0.5,49.5,nolog,"id(l_{1})","FullSelection/genID1",Base&&Selection);
374	+	DrawMatchRecoDistribution("abs(tri_id2)",50,-0.5,49.5,nolog,"id(l_{2})","FullSelection/genID2",Base&&Selection);
375	+	DrawMatchRecoDistribution("abs(tri_id3)",50,-0.5,49.5,nolog,"id(l_{3})","FullSelection/genID3",Base&&Selection);
376	+	DrawMatchRecoDistribution("abs(tri_genMID1)",50,-0.5,49.5,nolog,"mother id(l_{1})","FullSelection/genMID1",Base&&Selection);
377	+	DrawMatchRecoDistribution("abs(tri_genMID2)",50,-0.5,49.5,nolog,"mother id(l_{2})","FullSelection/genMID2",Base&&Selection);
378	+	DrawMatchRecoDistribution("abs(tri_genMID3)",50,-0.5,49.5,nolog,"mother id(l_{3})","FullSelection/genMID3",Base&&Selection);
379	+	}
380	+
381	+	void generator_SF_OF_comparison() {
382	+	/*we want to analyze the cuts at generator level (and their impact), plus understand how bad matching can affect the selection.
383	+	we want to know the distributions for correctly and incorrectly matched W/Z for the following variables:
384	+	- M_{lll}
385	+	- M_{ll}
386	+	- M_{T}
387	+	- M_{l_{2}l_{3}}
388	+	- MET
389	+	*/
390	+	TCut genBase("genNleptons>=3 && gentri_pt1>30 && gentri_pt2>20 && gentri_pt3>20");
391	+	TCut genParticleBase("genNleptons>=3 && pgentri_pt1>30 && pgentri_pt2>20 && pgentri_pt3>20");
392	+
393	+	TCut Selection("abs(gentri_mlll-91)>30 && genMET>30 && abs(gentri_mll-91)<10 && gentri_mT > 40");
394	+	TCut genParticleSelection("abs(pgentri_mlll-91)>30 && genMET>30 && abs(pgentri_mll-91)<10 && abs(pgentri_submll-91)>20 && pgentri_mT > 40");
395	+
396	+	bool dolog=true;
397	+	bool nolog=false;
398	+
399	+	DrawMatchGenDistribution("gentri_mlll",60,0,300,dolog,"m_{lll}","TrileptonMass",genBase);
400	+	DrawMatchGenDistribution("gentri_mll",60,0,300,dolog,"m_{l_{1}l_{2}}","LeadingDileptonMass",genBase);
401	+	DrawMatchGenDistribution("gentri_mT",50,0,100,nolog,"m_{T}","MT",genBase);
402	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass",genBase);
403	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass_SF",genBase&&TCut("abs(gentri_id2)==abs(gentri_id3)"));
404	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","SubleadingDileptonMass_OF",genBase&&TCut("abs(gentri_id2)!=abs(gentri_id3)"));
405	+	DrawMatchGenDistribution("genMET",60,0,300,dolog,"gen MET","MET",genBase);
406	+	DrawMatchGenDistribution("abs(gentri_id1)",50,-0.5,49.5,nolog,"id(l_{1})","genID1",genBase);
407	+	DrawMatchGenDistribution("abs(gentri_id2)",50,-0.5,49.5,nolog,"id(l_{2})","genID2",genBase);
408	+	DrawMatchGenDistribution("abs(gentri_id3)",50,-0.5,49.5,nolog,"id(l_{3})","genID3",genBase);
409	+	DrawMatchGenDistribution("abs(gentri_genMID1)",50,-0.5,49.5,nolog,"mother id(l_{1})","genMID1",genBase);
410	+	DrawMatchGenDistribution("abs(gentri_genMID2)",50,-0.5,49.5,nolog,"mother id(l_{2})","genMID2",genBase);
411	+	DrawMatchGenDistribution("abs(gentri_genMID3)",50,-0.5,49.5,nolog,"mother id(l_{3})","genMID3",genBase);
412	+
413	+	DrawMatchGenDistribution("gentri_mlll",60,0,300,dolog,"m_{lll}","FullSelection/TrileptonMass",genBase&&Selection);
414	+	DrawMatchGenDistribution("gentri_mll",60,0,300,dolog,"m_{l_{1}l_{2}}","FullSelection/LeadingDileptonMass",genBase&&Selection);
415	+	DrawMatchGenDistribution("gentri_mT",50,0,100,nolog,"m_{T}","FullSelection/MT",genBase&&Selection);
416	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass",genBase&&Selection);
417	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass_SF",genBase&&TCut("abs(gentri_id2)==abs(gentri_id3)")&&Selection);
418	+	DrawMatchGenDistribution("gentri_submll",60,0,300,nolog,"m_{l_{2}l_{3}}","FullSelection/SubleadingDileptonMass_OF",genBase&&TCut("abs(gentri_id2)!=abs(gentri_id3)")&&Selection);
419	+	DrawMatchGenDistribution("genMET",60,0,300,dolog,"gen MET","FullSelection/MET",genBase&&Selection);
420	+	DrawMatchGenDistribution("abs(gentri_id1)",50,-0.5,49.5,nolog,"id(l_{1})","FullSelection/genID1",genBase&&Selection);
421	+	DrawMatchGenDistribution("abs(gentri_id2)",50,-0.5,49.5,nolog,"id(l_{2})","FullSelection/genID2",genBase&&Selection);
422	+	DrawMatchGenDistribution("abs(gentri_id3)",50,-0.5,49.5,nolog,"id(l_{3})","FullSelection/genID3",genBase&&Selection);
423	+	DrawMatchGenDistribution("abs(gentri_genMID1)",50,-0.5,49.5,nolog,"mother id(l_{1})","FullSelection/genMID1",genBase&&Selection);
424	+	DrawMatchGenDistribution("abs(gentri_genMID2)",50,-0.5,49.5,nolog,"mother id(l_{2})","FullSelection/genMID2",genBase&&Selection);
425	+	DrawMatchGenDistribution("abs(gentri_genMID3)",50,-0.5,49.5,nolog,"mother id(l_{3})","FullSelection/genMID3",genBase&&Selection);
426	+
427	+	return;
428	+
429	+
430	+	GenSFOFCalculator("Basic selection",genBase);
431	+	GenSFOFCalculator("Basic selection, correct Z",genBase&&TCut("gentri_GoodZMatch"));
432	+	GenSFOFCalculator("Basic selection, wrong Z",genBase&&TCut("!gentri_GoodZMatch"));
433	+	GenSFOFCalculator("Outside |m_{23}-Z|<20",genBase&&TCut("abs(gentri_submll-91)>20"));
434	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Correct Z", genBase&&TCut("abs(gentri_submll-91)>20&&gentri_GoodZMatch"));
435	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Wrong Z", genBase&&TCut("abs(gentri_submll-91)>20&&!gentri_GoodZMatch"));
436	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Correct W", genBase&&TCut("abs(gentri_submll-91)>20&&gentri_GoodWMatch"));
437	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Wrong W", genBase&&TCut("abs(gentri_submll-91)>20&&!gentri_GoodWMatch"));
438	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Correct Z, correct W", genBase&&TCut("abs(gentri_submll-91)>20&&gentri_GoodZMatch&&gentri_GoodWMatch"));
439	+	GenSFOFCalculator("Outside |m_{23}-Z|<20, Wrong Z or W", genBase&&TCut("abs(gentri_submll-91)>20&&!(gentri_GoodZMatch&&gentri_GoodWMatch)"));
440	+	GenSFOFCalculator("Full selection, Correct Z and W", genBase&&Selection&&TCut("abs(gentri_submll-91)>20&&(gentri_GoodZMatch&&gentri_GoodWMatch)"));
441	+	GenSFOFCalculator("Full selection, Wrong Z or W", genBase&&Selection&&TCut("abs(gentri_submll-91)>20&&!(gentri_GoodZMatch&&gentri_GoodWMatch)"));
442	+	//  GenSFOFCalculator("Full selection", genBase&&Selection);
443	+	//  GenSFOFCalculator("Full selection with genParticles", genBase&&genParticleSelection&&TCut("abs(gentri_submll-91)>20"));
444	+
445	+
446	+	}
447	+
448	+
449	+	void AlgorithmTest(TCut BasicCut, TCut Selection) {
450	+	TCut Pure("tri_GoodWMatch && tri_GoodZMatch");
451	+
452	+	int nbins=38;
453	+	float mll_low=10;
454	+	float mll_hi=200;
455	+
456	+	TCanvas *can = new TCanvas("can","can");
457	+	TH1F *sfwz   = allsamples.Draw("sfwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
458	+	TH1F *ofwz   = allsamples.Draw("ofwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
459	+
460	+	TH1F *sfwzpure = allsamples.Draw("sfwzpure","tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF&&Pure,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
461	+	TH1F *ofwzpure = allsamples.Draw("ofwzpure","tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF&&Pure,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
462	+
463	+	delete can;
464	+
465	+	dout << "SF events: " << sfwz->Integral() << "   (pure: " << sfwzpure->Integral() << ")" << endl;
466	+	dout << "OF events: " << ofwz->Integral() << "   (pure: " << ofwzpure->Integral() << ")" << endl;
467	+
468	+	dout << "RATIO : SF / OF = " << sfwz->Integral() / ofwz->Integral() << " +/- " << sfwz->Integral()/ofwz->Integral() * sqrt(1/sfwz->GetEntries() + 1/ofwz->GetEntries()) << endl;
469	+	dout << "  PURE: SF / OF = " << sfwzpure->Integral() / ofwzpure->Integral() << " +/- " << sfwzpure->Integral()/ofwzpure->Integral() * sqrt(1/sfwzpure->GetEntries() + 1/ofwzpure->GetEntries()) << endl;
470	+	dout << "PURITY: " << endl;
471	+	dout << "   SF : " << 100.0*sfwzpure->Integral()/sfwz->Integral() << " +/- " << 100.0*sfwzpure->Integral()/sfwz->Integral() * sqrt(1/sfwzpure->GetEntries() + 1/sfwz->GetEntries()) <<endl;
472	+	dout << "   OF : " << 100.0*ofwzpure->Integral()/ofwz->Integral() << " +/- " << 100.0*ofwzpure->Integral()/ofwz->Integral() * sqrt(1/ofwzpure->GetEntries() + 1/ofwz->GetEntries()) <<endl;
473	+
474	+
475	+	delete sfwz;
476	+	delete ofwz;
477	+	delete sfwzpure;
478	+	delete ofwzpure;
479	+	}
480	+
481	+	void GetResult(TCut BasicCut, TCut Selection) {
482	+	if(TriLeptons::Rsfof_CorrectionFactor<0 || TriLeptons::Rsfof_CorrectionFactor_Error<0) SF_OF_comparison(BasicCut,Selection);
483	+	int nbins=38;
484	+	float mll_low=10;
485	+	float mll_hi=200;
486	+
487	+	TCanvas *can = new TCanvas("can","can");
488	+	TH1F *sfwz   = allsamples.Draw("sfwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepSF,data,luminosity);
489	+	TH1F *ofwz   = allsamples.Draw("ofwz"  ,"tri_submll",nbins,mll_low,mll_hi,"m_{l_{2}l_{3}} [GeV]", "events", BasicCut&&Selection&&TriLepOF,data,luminosity);
490	+
491	+	delete can;
492	+
493	+	dout << " ****** FINAL RESULT ****** " << endl;
494	+	dout << "SF events: " << sfwz->Integral() << " +/- " << sqrt(sfwz->Integral()) << endl;
495	+	dout << "OF events: " << ofwz->Integral() << " +/- " << sqrt(ofwz->Integral()) << endl;
496	+
497	+	float rawstatuncert=sfwz->Integral()/ofwz->Integral() * sqrt(1/sfwz->GetEntries() + 1/ofwz->GetEntries());
498	+	float rawresult=sfwz->Integral() / ofwz->Integral();
499	+	dout << "UNCORRECTED RATIO : SF / OF = " << rawresult << " +/- " << rawstatuncert << endl;
500	+	dout << "CORRECTED RATIO : SF / OF = " << TriLeptons::Rsfof_CorrectionFactor * rawresult << " +/- " << (TriLeptons::Rsfof_CorrectionFactor * rawresult) * sqrt(rawstatuncert*rawstatuncert/(rawresult*rawresult) + ( TriLeptons::Rsfof_CorrectionFactor_Error * TriLeptons::Rsfof_CorrectionFactor_Error )/(TriLeptons::Rsfof_CorrectionFactor * TriLeptons::Rsfof_CorrectionFactor));
501	+
502	+
503	+	delete sfwz;
504	+	delete ofwz;
505	+	//    delete can;
506	+	}
507	+
508	+
509	+	void PredictionFailurePlot(string truthvariable, string predictionvariable, int nbins, float min, float max, TCut PredictionCut, TCut TruthCut, string saveas, string xlabel) {
510	+	TLegend *leg = make_legend();
511	+	leg->SetY1(0.7);
512	+	TCanvas *can = new TCanvas("can","can");
513	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
514	+	pad->cd();
515	+	//    pad->SetLogy(1);
516	+
517	+	TH1F *Prediction = allsamples.Draw("Prediction",predictionvariable,nbins,min,max,xlabel,"events",PredictionCut,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
518	+	TH1F *MCTruth    = allsamples.Draw("MCTruth",   truthvariable,     nbins,min,max,xlabel,"events",TruthCut     ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
519	+
520	+	Prediction->SetLineColor(TColor::GetColor("#FF0000"));//an evil red
521	+	MCTruth->SetLineColor(TColor::GetColor("#04B404")); // a nice green
522	+
523	+	//  if(Prediction->GetMaximum()>MCTruth->GetMaximum()) MCTruth->SetMaximum(1.3*Prediction->GetMaximum());
524	+
525	+	if(MCTruth->GetMaximum()>Prediction->GetMaximum()) {
526	+	MCTruth->SetMaximum(MCTruth->GetMaximum()*1.2);
527	+	MCTruth->DrawNormalized("histo");
528	+	Prediction->DrawNormalized("histo,same");
529	+	} else {
530	+	Prediction->SetMaximum(Prediction->GetMaximum()*1.2);
531	+	Prediction->DrawNormalized("histo");
532	+	MCTruth->DrawNormalized("histo,same");
533	+	}
534	+
535	+
536	+	leg->AddEntry(Prediction,"prediction (norm.)","l");
537	+	leg->AddEntry(MCTruth,"MC truth (norm.)","l");
538	+	leg->Draw();
539	+	DrawMCPrelim();
540	+	save_with_ratio(MCTruth,Prediction,pad->cd(),"WZ_study/PredictionMethodFailure/"+saveas);
541	+
542	+	delete Prediction;
543	+	delete MCTruth;
544	+	delete can;
545	+
546	+
547	+
548	+	}
549	+
550	+	void WhyDoesThePredictionMethodFail(TCut PredictionCut, TCut TruthCut) {
551	+	PredictionFailurePlot("tri_submll","tri_badsubmll",50,0,200,PredictionCut,TruthCut,"SubMll","m_{23}");
552	+	PredictionFailurePlot("tri_mT","tri_badmT",50,0,200,PredictionCut,TruthCut,"MT","m_{T}");
553	+	PredictionFailurePlot("tri_mll","tri_badmll",25,0,200,PredictionCut,TruthCut,"Mll","m_{12}");
554	+	}
555	+
556	+
557	+	void ComputeNewMiscombinationRate(TCut origSelection, TCut sBasicCut) {
558	+	TCanvas *can = new TCanvas("can","can");
559	+
560	+	string sSelection= (const char*)origSelection;
561	+	sSelection= ReplaceAll(sSelection,"tri_","tri_bad");
562	+	sSelection= ReplaceAll(sSelection,"tri_badmlll","tri_mlll");
563	+	cout << "modified " << (const char*)origSelection << " to " << sSelection << endl;
564	+
565	+	TCut FlavorBlindSelection((sSelection+(string)"&&(abs(tri_id2)!=abs(tri_id3))").c_str()); // making sure we select OF events
566	+	TCut CorrectSelection    (origSelection && TCut("(abs(tri_id2)!=abs(tri_id3))"));        // making sure we select OF events
567	+	TCut OFZ                 ("tri_mll!=tri_badmll");
568	+
569	+	TH1F *WZ_OF_OFZ = allsamples.Draw("WZ_OFZ"    ,"tri_badsubmll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", FlavorBlindSelection&&OFZ ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
570	+	TH1F *WZ_OF_any = allsamples.Draw("WZ_OF_any" ,"tri_badsubmll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", FlavorBlindSelection      ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
571	+
572	+	TH1F *data_OF_OFZ = allsamples.Draw("data_OFZ"    ,"tri_badsubmll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", FlavorBlindSelection&&OFZ ,data,luminosity);
573	+	TH1F *data_OF_any = allsamples.Draw("data_OF_any" ,"tri_badsubmll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", FlavorBlindSelection      ,data,luminosity);
574	+
575	+	dout << "Miscombination rate in WZ sample with selection in place : " << 100 * WZ_OF_OFZ->Integral() / WZ_OF_any->Integral() << " %    (" << WZ_OF_OFZ->Integral() << " / " << WZ_OF_any->Integral() << ")" << endl;
576	+	dout << "Miscombination rate in DATA with selection in place : " << 100 * data_OF_OFZ->Integral() / data_OF_any->Integral() << " %    (" << data_OF_OFZ->Integral() << " / " << data_OF_any->Integral() << ")" << endl;
577	+
578	+	delete WZ_OF_any;
579	+	delete WZ_OF_OFZ;
580	+	delete can;
581	+	}
582	+
583	+	void ComputeMiscombinationRate(TCut origSelection, TCut sBasicCut) {
584	+	/*  TCanvas *can = new TCanvas("can","can");
585	+	//idea: use the flavor-blind version of the algorithm to obtain the yields in our signal region.
586	+	string sSelection= (const char*)origSelection;
587	+	sSelection= ReplaceAll(sSelection,"tri_","tri_bad");
588	+	sSelection= ReplaceAll(sSelection,"tri_badmlll","tri_mlll");
589	+	cout << "modified " << (const char*)origSelection << " to " << sSelection << endl;
590	+
591	+	TCut BadSelection((sSelection+(string)"&&abs(tri_id2)!=abs(tri_id3)").c_str()); // making sure we select OF events
592	+	TCut GoodSelection(origSelection && TCut("abs(tri_id2)!=abs(tri_id3)")); // making sure we select OF events
593	+
594	+	TCut BasicCut(sBasicCut&&TCut("tri_id2!=tri_id3"));
595	+
596	+	TCut TruthBad("!(tri_GoodZMatch&&tri_GoodZMatch)");
597	+	TCut MethodBad("!(tri_id2==tri_badid2&&tri_id3==tri_badid3)");
598	+
599	+	for(int icut=0;icut<2;icut++) {
600	+	TCut Goodused;
601	+	TCut Badused;
602	+	if(icut==0) {
603	+	Goodused=BasicCut;
604	+	Badused =BasicCut;
605	+	cout << "Preselection only: " << endl;
606	+	cout << "      used : " << (const char*) Goodused << endl;
607	+	} else {
608	+	Goodused=BasicCut&&GoodSelection;
609	+	Badused =BasicCut&&BadSelection;
610	+	cout << "Full selection: " << endl;
611	+	cout << "      Good used : " << (const char*) Goodused << endl;
612	+	cout << "      Bad used : " << (const char*) Goodused << endl;
613	+	}
614	+
615	+	TH1F *Truth_badcomb = allsamples.Draw("Truth_badcomb"    ,"tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Goodused           ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
616	+	TH1F *Truth_all     = allsamples.Draw("Truth_all"        ,"tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Goodused           ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
617	+
618	+	TH1F *Events_WZ    = allsamples.Draw("Events_WZ"    ,"tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Goodused           ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
619	+	TH1F *bad_WZ       = allsamples.Draw("bad_WZ"       ,"tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Goodused&&TruthBad ,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
620	+	TH1F *MethodBad_WZ = allsamples.Draw("MethodBad_WZ" ,"tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Badused&&MethodBad,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
621	+	TH1F *MethodBad_WZg= allsamples.Draw("MethodBad_WZg","tri_submll",1,0.0,1000.0,"m_{l_{2}l_{3}} [GeV]", "events", Badused,mc,luminosity,allsamples.FindSample("WZJetsTo3"));
622	+
623	+	cout << "    ********** WZ **********" << endl;
624	+	cout << "    N events :          " << Events_WZ->Integral() << "\t (mc events: " << Events_WZ->GetEntries() << ")" << endl;
625	+	cout << "    Bad combinations:   " << bad_WZ->Integral() << "\t (mc events: " << bad_WZ->GetEntries() << ")" << endl;
626	+	cout << "    Predicted bad com.: " << MethodBad_WZ->Integral() << " / " << MethodBad_WZg->Integral() << "\t (mc events: " << MethodBad_WZ->GetEntries() << ")" << endl;
627	+
628	+
629	+	delete Events_WZ;
630	+	delete bad_WZ;
631	+	delete MethodBad_WZ;
632	+	delete MethodBad_WZg;
633	+	}
634	+	delete can;
635	+
636	+	WhyDoesThePredictionMethodFail(BasicCut&&MethodBad,BasicCut&&TruthBad);
637	+	*/
638	+	}
639	+
640	+
641	+
642	+
643		void CarryOutWZStudy() {
644		TCut BasicCut("leptonNum>2&&tri_pt1>30&&tri_pt2>20&&tri_pt3>20");
645	<	TCut Selection("abs(tri_mlll-91)>30 && tri_mT>40 && met[4] > 30 && abs(tri_mll-91)<10");
645	>	TCut Selection("abs(tri_mlll-91)>30 && tri_mT>40 && met[4] > 30 && abs(tri_mll-91)<10 && tri_submll > 10 && abs(tri_submll-91)>5");
646	>
647	>	//OptimizeSelection(BasicCut);
648	>
649	>	//ComputeMiscombinationRate(Selection, BasicCut);
650	>
651	>	ComputeNewMiscombinationRate(Selection, BasicCut);
652
154	–	//  OptimizeSelection(BasicCut);
155	–	/*
653		WZ_kin_plot("tri_mll",40,0,200,"m_{Z} [GeV]",BasicCut,"Inclusive/Zmass");
654		WZ_kin_plot("tri_mlll",40,0,400,"m_{ll} [GeV]",BasicCut,"Inclusive/TrileptonMass");
655		WZ_kin_plot("tri_mT",40,0,200,"m_{T} [GeV]",BasicCut,"Inclusive/mT");
#	Line 197 | Line 694 | void CarryOutWZStudy() {
694		WZ_kin_plot("tri_pt1",40,0,400,"p_{T}^{1} [GeV]",BasicCut&&Selection,"Pt1");
695		WZ_kin_plot("tri_pt2",40,0,400,"p_{T}^{2} [GeV]",BasicCut&&Selection,"Pt2");
696		WZ_kin_plot("tri_pt3",40,0,400,"p_{T}^{3} [GeV]",BasicCut&&Selection,"Pt3");
697	<
697	>
698
699	<	TCut SF("tri_id1==tri_id2");
700	<	TCut OF("tri_id1!=tri_id2");
699	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepSF,"mllsub_SF");
700	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepOF,"mllsub_OF");
701	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepSF&&TCut("tri_id2==0"),"mllsub_SF_ee");
702	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepSF&&TCut("tri_id2==1"),"mllsub_SF_mm");
703	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepOF&&TCut("tri_id2==0"),"mllsub_OF_em");
704	>	WZ_kin_plot("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection&&TriLepOF&&TCut("tri_id2==1"),"mllsub_OF_me");
705	>
706	>
707	>	SF_OF_comparison(BasicCut,Selection);
708	>	//  generator_SF_OF_comparison();
709	>	//  reco_SF_OF_comparison(BasicCut,Selection);
710	>
711	>	SF_vs_OF_plots("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection,TriLepSF,TriLepOF,mc,"mllsub_MC");
712	>	SF_vs_OF_plots("tri_submll",40,0,200,"m_{l_{2}l_{3}} [GeV]",BasicCut&&Selection,TriLepSF,TriLepOF,data,"mllsub_data");
713	>	AlgorithmTest(BasicCut,Selection);
714	>	GetResult(BasicCut,Selection);
715
716	<	TH1F *sfdata = allsamples.Draw("sfdata","tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&SF,data, luminosity);
717	<	TH1F *ofdata = allsamples.Draw("ofdata","tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&OF,data, luminosity);
716	>
717	>	}
718	>
719	>	void Make_Chi2_Resolution_Minimization(TGraph *gr) {
720	>	TCanvas *can2 = new TCanvas("can2","can2");
721	>	can2->cd();
722	>	gStyle->SetOptFit(0);
723	>	gr->Draw("AP*");
724	>	gr->GetXaxis()->SetTitle("MET scale factor");
725	>	gr->GetYaxis()->SetTitle("#chi^{2}");
726	>	gr->GetXaxis()->CenterTitle();
727	>	gr->GetYaxis()->CenterTitle();
728	>	gr->Draw("AP*");
729	>	gr->Fit("pol3");
730	>	TF1 *fit = (TF1*)gr->GetFunction("pol3");
731	>	fit->SetLineWidth(2);
732	>	fit->SetLineColor(kBlue);
733	>	gr->Draw("AP*");
734	>	DrawPrelim();
735	>	CompleteSave(can2,"WZ_study/DYResolution/Result_Chi2");
736	>	delete can2;
737	>	}
738	>
739	>	void ExtractDYMissingResolution() {
740
741	<	// all MC samples
209	<	TH1F *sfmc   = allsamples.Draw("sfmc"  ,"tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&SF,mc  , luminosity);
210	<	TH1F *ofmc   = allsamples.Draw("ofmc"  ,"tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&OF,mc  , luminosity);
741	>	TCanvas *can = new TCanvas("can","can");
742
743	<	// WZ only
744	<	TH1F *sfwz   = allsamples.Draw("sfwz"  ,"tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&SF,mc  , luminosity,allsamples.FindSample("WZJetsTo3"));
745	<	TH1F *ofwz   = allsamples.Draw("ofwz"  ,"tri_mll",30,75,105,"m_{Z} [GeV]", "events", BasicCut&&Selection&&OF,mc  , luminosity,allsamples.FindSample("WZJetsTo3"));
743	>	TH1F *histoSF = allsamples.Draw("histoSF","met[4]",50,0,100,"MET [GeV]","events",TCut("id1==id2&&mll>0&&pfJetGoodNum40>=2"),data,luminosity);
744	>	TH1F *histoOF = allsamples.Draw("histoOF","met[4]",50,0,100,"MET [GeV]","events",TCut("id1!=id2&&mll>0&&pfJetGoodNum40>=2"),data,luminosity);
745	>	THStack histoMC = allsamples.DrawStack("histoMC","met[4]",50,0,100,"MET [GeV]","events",TCut("id1==id2&&mll>0&&pfJetGoodNum40>=2"),mc,luminosity);
746	>	TFile *f = new TFile("file.root","RECREATE");
747
748	<	dout << "SF events: " << sfdata->Integral() << "   (mc : " << sfmc->Integral() << " , wz : " << sfwz->Integral() << " )   WZ purity: " << 100*sfwz->Integral()/sfmc->Integral() << " %" << endl;
749	<	dout << "OF events: " << ofdata->Integral() << "   (mc : " << ofmc->Integral() << " , wz : " << ofwz->Integral() << " )   WZ purity: " << 100*ofwz->Integral()/ofmc->Integral() << " %" << endl;
748	>	TH1F *MC_wo_DY = CollapseStack(histoMC);
749	>	TIter nextSF = TIter(histoMC.GetHists());
750	>	TH1F *h;
751	>	while ( h = (TH1F*)nextSF() ) {
752	>	if(Contains(h->GetName(),"Z_Jets")) {
753	>	MC_wo_DY->Add(h,-1);
754	>	}
755	>	}
756	>	MC_wo_DY->Write();
757	>
758
759	<	dout << "RATIO : SF / OF = " << sfdata->Integral() / ofdata->Integral() << " +/- " << (sfdata->Integral()/ofdata->Integral()) * TMath::Sqrt(1/sfdata->Integral()+1/ofdata->Integral()) << " (stat) " << endl;
760	<	*/
759	>	int ntests=150;
760	>	TH1F *DYres[ntests];
761
762	+	float min_chi2=-1;
763	+	int best_index=-1;
764	+	stringstream allresults;
765	+	TGraph *gr = new TGraph();
766	+	for(int i=0;i<ntests;i++) {
767	+
768	+	float smearby=0.15*i/((float)ntests);
769	+
770	+	stringstream drawvariable;
771	+	drawvariable << "((" << 1+smearby << ")*met[4])";
772	+	cout << "Going to use the variable " << drawvariable.str() << endl;
773	+	stringstream name;
774	+	name << "histo_DY_" << i;
775	+	DYres[i] = allsamples.Draw(name.str().c_str(),drawvariable.str(),50,0,100,"MET [GeV]","events",TCut("id1==id2&&mll>0&&pfJetGoodNum40>=2"),mc,luminosity, allsamples.FindSample("DYJets"));
776	+	DYres[i]->Write();
777	+
778	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
779	+	pad->cd();
780	+
781	+	DrawPrelim();
782	+	MC_wo_DY->SetFillColor(kWhite);
783	+	MC_wo_DY->SetLineColor(kBlue);
784	+	TLegend *leg = make_legend();
785	+	leg->SetY1(0.8);
786	+	leg->AddEntry(histoSF,"data","pl");
787	+	leg->AddEntry(MC_wo_DY,"MC","l");
788	+
789	+	TH1F *sum = (TH1F*)MC_wo_DY->Clone("sum");
790	+	sum->Add(DYres[i]);
791	+	sum->Draw("histo");
792	+	histoSF->Draw("e1,same");
793	+	stringstream Result;
794	+
795	+	Double_t chi2;
796	+	Int_t ndf,igood;
797	+	Double_t res=0.0;
798	+	Double_t chi2prob = MarcosChi2TestX(histoSF,sum,chi2,ndf,igood,"UW");
799	+	Result << "#splitline{Smeared by : " << std::setprecision(3) << 100*smearby << " %}{#splitline{#chi^{2} / NDF : " << std::setprecision(3) << chi2 << " / " << ndf << "}{ #chi^{2} prob : " << std::setprecision(3)  << chi2prob << "}}";
800	+
801	+	allresults << "\n" << smearby << ";" << chi2;
802	+	gr->SetPoint(i,smearby,chi2);
803	+
804	+	if(min_chi2<0||chi2<min_chi2) {
805	+	min_chi2=chi2;
806	+	best_index=i;
807	+	}
808	+
809	+	TPaveText *PurityPaveText = new TPaveText(0.60, 0.40,0.89, 0.6,"blNDC");
810	+	PurityPaveText->SetFillStyle(4000);
811	+	PurityPaveText->SetBorderSize(0);
812	+	PurityPaveText->SetFillColor(kWhite);
813	+	PurityPaveText->SetTextFont(42);
814	+	PurityPaveText->SetTextSize(0.042);
815	+	PurityPaveText->AddText(Result.str().c_str());
816	+	PurityPaveText->Draw();
817	+	DrawPrelim();
818	+	leg->Draw();
819	+
820	+
821	+	stringstream savethis;
822	+	savethis << "WZ_study/DYResolution/Response" << 100*smearby << "Percent";
823	+
824	+	save_with_ratio(histoSF,sum,pad->cd(),savethis.str());
825	+	}
826	+
827	+	gr->SetTitle("Chi2Diagram");
828	+	gr->SetName("Chi2Diagram");
829	+
830	+
831	+	dout << "Result summary: " << endl;
832	+	dout << allresults.str() << endl;
833	+
834	+	nextSF = TIter(histoMC.GetHists());
835	+	THStack stack;
836	+	while ( h = (TH1F*)nextSF() ) {
837	+	if(!Contains(h->GetName(),"Z_Jets")) {
838	+	stack.Add(h);
839	+	}
840	+	}
841	+
842	+
843	+	TPad *pad = new TPad("pad","pad",0,0,1,1);
844	+	pad->cd();
845	+
846	+	DYres[best_index]->SetFillColor(kYellow);
847	+	DYres[best_index]->SetLineColor(kYellow);
848	+
849	+	stack.Add(DYres[best_index]);
850	+	stack.Draw();
851	+	histoSF->Draw("e1,same");
852	+	DrawPrelim();
853	+	save_with_ratio(histoSF,CollapseStack(stack),pad->cd(),"WZ_study/DYResolution/Result");
854
855	+	TFile *fr = new TFile("rumba.root","RECREATE");
856	+	gr->Write();
857	+	fr->Close();
858
859	+	delete can;
860
861	+	Make_Chi2_Resolution_Minimization(gr);
862	+
863		}
864
865		void WZstudy() {
866	+	//  ExtractDYMissingResolution();
867
868		switch_overunderflow(true);
869		cout << "Essential cut is " << (const char*) essentialcut << endl;
#	Line 241 | Line 880 | void WZstudy() {
880		essentialcut = essential_bkp;
881		cout << "Essential cut is now " << (const char*) essentialcut << "   (restored)" << endl;
882		switch_overunderflow(false);
883	+
884		}
885

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines