ATLAS Offline Software
fbtTestToyMC.cxx
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1 /*
2  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
3 */
4 
5 //----------------------------------------------------------------------
6 //
7 // This program provides a toy MC model of a set of pseudoexperiments. It
8 // is intended to explore the statistical properties of the fake lepton
9 // background estimate for a given set of experiemental conditions (number
10 // of events, number of leptons required, typical values of the real and
11 // fake efficiencies, etc.)
12 //
13 //----------------------------------------------------------------------
14 
15 #include "AsgMessaging/MessageCheck.h"
16 #include <AsgTools/StandaloneToolHandle.h>
17 
18 #include "FakeBkgTools/FakeBkgInternals.h"
19 #include "FakeBkgTools/LhoodMMEvent.h"
20 
21 #include "FakeBkgTools/ApplyFakeFactor.h"
22 #include "FakeBkgTools/AsymptMatrixTool.h"
23 #include "FakeBkgTools/LhoodMM_tools.h"
24 
25 #include "xAODEgamma/Electron.h"
26 #include "AthContainers/Accessor.h"
27 #include "TruthUtils/ParticleConstants.h"
28 
29 #include "TFile.h"
30 #include "TTree.h"
31 #include "TH1F.h"
32 #include "TH2F.h"
33 #include "TRandom3.h"
34 #include "TSystem.h"
35 #include <getopt.h>
36 #include <unistd.h>
37 #include <map>
38 #include <chrono>
39 #include <fstream>
40 #include <memory>
41 
42 ANA_MSG_HEADER(Test)
43 ANA_MSG_SOURCE(Test, "fbtTestToyMC")
44 using namespace Test;
45 
46 struct fbtTestToyMC_config {
47  unsigned nevents;
48  unsigned ncases;
49  unsigned minnbaseline;
50  unsigned maxnbaseline;
51  float realeff_mean;
52  float fakeeff_mean;
53  float eff_spread;
54  float eff_delta_with_pt;
55  std::string selection;
56  std::string process;
57  bool test_save;
58  bool test_merge;
59  std::string saveFileNameBase;
60  std::string mergeFileNameBase;
61  std::string outputdirname;
62  bool verbose;
63  bool test_histo;
64  bool test_systematics;
65  bool poisson_fluctuations;
66 };
67 
68 using namespace FakeBkgTools;
69 using namespace std;
70 
71 
72 
73 TH1F *h_realeff_e, *h_fakeeff_e, *h_realeff_mu, *h_fakeeff_mu;
74 TFile *rootEffFile;
75 
76 StatusCode initialize ATLAS_NOT_THREAD_SAFE(CP::BaseFakeBkgTool& tool, const std::vector<std::string>& input, const std::string& selection, const std::string& process, bool verbose);
77 StatusCode writeXML(const string& name, int type);
78 StatusCode writeROOT(const string& name, int type, float realeff_mean, float fakeeff_mean, float eff_spread, float eff_delta_with_pt);
79 StatusCode setupEfficiencies ATLAS_NOT_THREAD_SAFE();
80 StatusCode lookupEfficiencies ATLAS_NOT_THREAD_SAFE(xAOD::IParticle& lepton, ParticleData& lepton_data);
81 
82 StatusCode parseArguments ATLAS_NOT_THREAD_SAFE(int argc, char *argv[], fbtTestToyMC_config &config);
83 StatusCode setupSystBranches(const char* baseName,
84  CP::SystematicVariation sysvar,
85  float &weight,
86  float &weight_err,
87  std::map<CP::SystematicVariation, float> &syst_map,
88  std::map<CP::SystematicVariation, float> &syst_err_map,
89  TTree* ntuple);
90 
91 StatusCode setupSystBranchesAsym(const char* baseName,
92  CP::SystematicVariation sysvar,
93  float &weight,
94  float &weight_poserr,
95  float &weight_negerr,
96  std::map<CP::SystematicVariation, float> &syst_map,
97  std::map<CP::SystematicVariation, float> &syst_poserr_map,
98  std::map<CP::SystematicVariation, float> &syst_negerr_map,
99  TTree* ntuple);
100 
101 std::unique_ptr<TFile> openRootFile(fbtTestToyMC_config &config);
102 
103 StatusCode doMerge ATLAS_NOT_THREAD_SAFE( const std::vector<std::string> & input, const std::string & name, fbtTestToyMC_config &config, TH1F* h_lep_pt, float &lep_pt, TH1F* h_lep_eta, float &lep_eta, TH2F* h_lep_pt_eta, float &fakes, float &poserr, float &negerr, int icase);
104 
105 StatusCode Loop ATLAS_NOT_THREAD_SAFE(fbtTestToyMC_config config);
106 
107 double comboProb(const vector<FakeBkgTools::ParticleData> & leptons_data, const std::bitset<64> & tights, const std::bitset<64> &reals) ;
108 
109 StatusCode usage();
110 
111 double totWeight_std;
112 double err_std;
113 double weight_lepfakes_2tight;
114 double weight_lepfakes_3tight;
115 double weight_lepfakes_2tight_1loose;
116 
117 bool fitFailed;
118 
119 string rootEffFileName;
120 
121 //additional variables that don't correspond to Tree branches
122 
123 Double_t n_fake_lhood;
124 
125 Double_t n_fake_lhood_tot_poserr;
126 Double_t n_fake_lhood_tot_negerr;
127 
128 std::ofstream *f_stdneg_lhood_pos;
129 std::ofstream *f_stdpos_lhood_0;
130 
131 const int nSave = 4; // number of subjobs to split into when testing saveProgress
132 
133 int main ATLAS_NOT_THREAD_SAFE(int argc, char *argv[]){
134  ANA_CHECK_SET_TYPE (int);
135 
136  fbtTestToyMC_config config;
137 
138  // defaults
139  config.nevents = 100;
140  config.ncases = 100;
141  config.realeff_mean = 0.90;
142  config.fakeeff_mean = 0.20;
143  config.eff_spread = 0.10;
144  config.eff_delta_with_pt = 0.;
145  config.minnbaseline = 1;
146  config.maxnbaseline = 4;
147  config.test_save = false;
148  config.saveFileNameBase = "saveProgress";
149  config.mergeFileNameBase = "saveProgress";
150  config.test_merge = false;
151  config.test_histo = false;
152  config.test_systematics = false;
153  config.poisson_fluctuations = false;
154  config.verbose = false;
155  config.selection = ">=1T";
156  config.process = ">=1F[T]";
157 
158  if (config.verbose) cout << "maxnbaseline = " << config.maxnbaseline << endl;
159 
160  ANA_CHECK( parseArguments(argc, argv, config) );
161 
162  ANA_CHECK( Loop(config) );
163 }
164 
165 StatusCode Loop ATLAS_NOT_THREAD_SAFE(fbtTestToyMC_config config){
166 
167  //Open an output file
168  if (config.verbose) cout << "maxnbaseline = " << config.maxnbaseline << endl;
169 
170  std::unique_ptr<TFile> f_out = openRootFile(config);
171 
172  int nevents_thiscase;
173 
174  // create output ntuple
175  TTree *ntuple = new TTree("FakeBkg", "Variables from toy MC");
176  ntuple->Branch("nevents", &nevents_thiscase, "nevents/I");
177  Int_t nevents_sel;
178  ntuple->Branch("nevents_sel", &nevents_sel, "nevents_sel/I");
179  Float_t fake_lep_frac;
180  ntuple->Branch("fake_lep_frac", &fake_lep_frac, "fake_lep_frac/F");
181  Float_t true_fakes;
182  ntuple->Branch("true_fakes", &true_fakes,"true_fakes/F");
183  Float_t asm_fakes;
184  ntuple->Branch("asm_fakes", &asm_fakes,"asm_fakes/F");
185  Float_t asm_err;
186  ntuple->Branch("asm_err", &asm_err,"asm_err/F");
187  Float_t fkf_fakes;
188  ntuple->Branch("fkf_fakes", &fkf_fakes,"fkf_fakes/F");
189  Float_t fkf_err;
190  ntuple->Branch("fkf_err", &fkf_err,"fkf_err/F");
191  Float_t lhoodMM_fakes;
192  ntuple->Branch("lhoodMM_fakes", &lhoodMM_fakes,"lhoodMM_fakes/F");
193  Float_t lhoodMM_poserr;
194  ntuple->Branch("lhoodMM_poserr", &lhoodMM_poserr,"lhoodMM_poserr/F");
195  Float_t lhoodMM_negerr;
196  ntuple->Branch("lhoodMM_negerr", &lhoodMM_negerr,"lhoodMM_negerr/F");
197  Float_t lhoodFF_fakes;
198  ntuple->Branch("lhoodFF_fakes", &lhoodFF_fakes,"lhoodFF_fakes/F");
199  Float_t lhoodFF_poserr;
200  ntuple->Branch("lhoodFF_poserr", &lhoodFF_poserr,"lhoodFF_poserr/F");
201  Float_t lhoodFF_negerr;
202  ntuple->Branch("lhoodFF_negerr", &lhoodFF_negerr,"lhoodFF_negerr/F");
203 
204 
205  map<CP::SystematicVariation,float> lhoodMM_weight_map, lhoodMM_poserr_map, lhoodMM_negerr_map;
206  map<CP::SystematicVariation,float> lhoodFF_weight_map, lhoodFF_poserr_map, lhoodFF_negerr_map;
207  map<CP::SystematicVariation,float> asm_weight_map, asm_err_map;
208  map<CP::SystematicVariation,float> fkf_weight_map, fkf_err_map;
209 
210  TRandom3 rand(242868252);
211 
212  Double_t realeff_spread = config.eff_spread;
213  Double_t fakeeff_spread = config.eff_spread;
214 
215  std::vector<bool> isTight;
216  std::vector<std::string> input = { config.outputdirname+"efficiencies_full" };
217 
218  if(false) // switch to test either XML or ROOT input
219  {
220  // not implemented yet!
221  // input.back().append(".xml");
222  // writeXML(input.back(), 0);
223  }
224  else
225  {
226  input.back().append(".root");
227  ANA_CHECK( writeROOT(input.back(), 0, config.realeff_mean, config.fakeeff_mean, config.eff_spread, config.eff_delta_with_pt) );
228  rootEffFileName = input.back();
229  ANA_CHECK( setupEfficiencies() );
230  }
231 
232 
233  for (unsigned icase(0); icase < config.ncases; icase++) {
234  nevents_sel = 0;
235 
236  TH1F* h_lep_pt_lhoodMM = 0;
237  TH1F* h_lep_eta_lhoodMM = 0;
238  TH2F* h_lep_pt_eta_lhoodMM = 0;
239  TH1F* h_lep_pt_lhoodFF = 0;
240  TH1F* h_lep_eta_lhoodFF = 0;
241  TH2F* h_lep_pt_eta_lhoodFF = 0;
242  TH1F* h_lep_pt_asm = 0;
243  TH1F* h_lep_eta_asm = 0;
244  TH2F* h_lep_pt_eta_asm = 0;
245  TH1F* h_lep_pt_fkf = 0;
246  TH1F* h_lep_eta_fkf = 0;
247  TH2F* h_lep_pt_eta_fkf = 0;
248 
249  if (config.test_histo) {
250  std::string hname = "lep_pt_lhoodMM_"+to_string(icase);
251  h_lep_pt_lhoodMM = new TH1F(hname.c_str(), hname.c_str(), 10, 0, 100);
252  hname = "lep_eta_lhoodMM_"+to_string(icase);
253  h_lep_eta_lhoodMM = new TH1F(hname.c_str(), hname.c_str(), 10, -5, 5);
254  hname = "lep_pt_eta_lhoodMM_"+to_string(icase);
255  h_lep_pt_eta_lhoodMM = new TH2F(hname.c_str(), hname.c_str(), 10, 0, 100, 10, -5, 5);
256  hname = "lep_pt_lhoodFF_"+to_string(icase);
257  h_lep_pt_lhoodFF = new TH1F(hname.c_str(), hname.c_str(), 10, 0, 100);
258  hname = "lep_eta_lhoodFF_"+to_string(icase);
259  h_lep_eta_lhoodFF = new TH1F(hname.c_str(), hname.c_str(), 10, -5, 5);
260  hname = "lep_pt_eta_lhoodFF_"+to_string(icase);
261  h_lep_pt_eta_lhoodFF = new TH2F(hname.c_str(), hname.c_str(), 10, 0, 100, 10, -5, 5);
262  hname = "lep_pt_asm_"+to_string(icase);
263  h_lep_pt_asm = new TH1F(hname.c_str(), hname.c_str(), 10, 0, 100);
264  hname = "lep_eta_asm_"+to_string(icase);
265  h_lep_eta_asm = new TH1F(hname.c_str(), hname.c_str(), 10, -5, 5);
266  hname = "lep_pt_eta_asm_"+to_string(icase);
267  h_lep_pt_eta_asm = new TH2F(hname.c_str(), hname.c_str(), 10, 0, 100, 10, -5, 5);
268  hname = "lep_pt_fkf_"+to_string(icase);
269  h_lep_pt_fkf = new TH1F(hname.c_str(), hname.c_str(), 10, 0, 100);
270  hname = "lep_eta_fkf_"+to_string(icase);
271  h_lep_eta_fkf = new TH1F(hname.c_str(), hname.c_str(), 10, -5, 5);
272  hname = "lep_pt_eta_fkf_"+to_string(icase);
273  h_lep_pt_eta_fkf = new TH2F(hname.c_str(), hname.c_str(), 10, 0, 100, 10, -5, 5);
274  }
275 
276  float lep_pt = 0, lep_eta = 0;
277 
278  if (!config.test_merge) {
279 
280  cout << "Starting case " << icase << endl;
281  CP::LhoodMM_tools lhmTool("LhoodMM_tools");
282  // arrays of tool instances to test saveProgress
283  std::vector<CP::LhoodMM_tools*> lhmTool_sav;
284  CP::LhoodMM_tools lhmTool_FF("LhoodFF_tools");
285  std::vector<CP::LhoodMM_tools*> lhmTool_FF_sav;
286  CP::AsymptMatrixTool asmTool("AsymptMatrixTool");
287  std::vector<CP::AsymptMatrixTool*> asmTool_sav;
288  CP::ApplyFakeFactor fkfTool("fkfTool");
289  std::vector<CP::ApplyFakeFactor*> fkfTool_sav;
290 
291  float asmYield(0);
292  float asmErr(0);
293  float fkfYield (0);
294  float fkfErr(0);
295  if (config.test_histo) {
296  ANA_CHECK( lhmTool.register1DHistogram(h_lep_pt_lhoodMM, &lep_pt) );
297  ANA_CHECK( lhmTool.register1DHistogram(h_lep_eta_lhoodMM, &lep_eta) );
298  ANA_CHECK( lhmTool.register2DHistogram(h_lep_pt_eta_lhoodMM, &lep_pt, &lep_eta) );
299  ANA_CHECK( lhmTool_FF.register1DHistogram(h_lep_pt_lhoodFF, &lep_pt) );
300  ANA_CHECK( lhmTool_FF.register1DHistogram(h_lep_eta_lhoodFF, &lep_eta) );
301  ANA_CHECK( lhmTool_FF.register2DHistogram(h_lep_pt_eta_lhoodFF, &lep_pt, &lep_eta) );
302  ANA_CHECK( fkfTool.register1DHistogram(h_lep_pt_fkf, &lep_pt) );
303  ANA_CHECK( fkfTool.register1DHistogram(h_lep_eta_fkf, &lep_eta) );
304  ANA_CHECK( fkfTool.register2DHistogram(h_lep_pt_eta_fkf, &lep_pt, &lep_eta) );
305  ANA_CHECK( asmTool.register1DHistogram(h_lep_pt_asm, &lep_pt) );
306  ANA_CHECK( asmTool.register1DHistogram(h_lep_eta_asm, &lep_eta) );
307  ANA_CHECK( asmTool.register2DHistogram(h_lep_pt_eta_asm, &lep_pt, &lep_eta) );
308  }
309 
310  ANA_CHECK( initialize(asmTool, input, config.selection, config.process, config.verbose) );
311  ANA_CHECK( initialize(lhmTool, input, config.selection, config.process, config.verbose) );
312  ANA_CHECK( initialize(lhmTool_FF, input, config.selection, config.process, config.verbose) );
313  ANA_CHECK( lhmTool_FF.setProperty("DoFakeFactorFit", true) );
314 
315  ANA_CHECK( initialize(fkfTool, input, config.selection, config.process, config.verbose) );
316 
317  if (config.test_save) {
318  for (int iSave = 0; iSave <= nSave; iSave++) {
319  std:: string toolName = "LhoodMM_tools_save_" + std::to_string(icase) + "_" + std::to_string(iSave);
320  CP::LhoodMM_tools *lhmTool_is = new CP::LhoodMM_tools(toolName);
321  lhmTool_sav.push_back(lhmTool_is);
322  ANA_CHECK( initialize(*lhmTool_sav[iSave], input, config.selection, config.process, config.verbose) );
323  if (config.test_histo) {
324  ANA_CHECK( lhmTool_is->register1DHistogram(h_lep_pt_lhoodMM, &lep_pt) );
325  ANA_CHECK( lhmTool_is->register1DHistogram(h_lep_eta_lhoodMM, &lep_eta) );
326  ANA_CHECK( lhmTool_is->register2DHistogram(h_lep_pt_eta_lhoodMM, &lep_pt, &lep_eta) );
327  }
328  toolName = "LhoodMM_tools_FF_save_" + std::to_string(icase) + "_" + std::to_string(iSave);
329  CP::LhoodMM_tools *lhmTool_FF_is = new CP::LhoodMM_tools(toolName);
330  lhmTool_FF_sav.push_back(lhmTool_FF_is);
331  ANA_CHECK( initialize(*lhmTool_FF_sav[iSave], input, config.selection, config.process, config.verbose) );
332  ANA_CHECK( lhmTool_FF_sav[iSave]->setProperty("DoFakeFactorFit", true) );
333  if (config.test_histo) {
334  ANA_CHECK( lhmTool_FF_is->register1DHistogram(h_lep_pt_lhoodFF, &lep_pt) );
335  ANA_CHECK( lhmTool_FF_is->register1DHistogram(h_lep_eta_lhoodFF, &lep_eta) );
336  ANA_CHECK( lhmTool_FF_is->register2DHistogram(h_lep_pt_eta_lhoodFF, &lep_pt, &lep_eta) );
337  }
338 
339  toolName = "AsymptMatrixTool_save_" + std::to_string(icase) + "_" + std::to_string(iSave);
340  CP::AsymptMatrixTool *asmTool_is = new CP::AsymptMatrixTool(toolName); if (config.test_histo) {
341  ANA_CHECK( asmTool_is->register1DHistogram(h_lep_pt_asm, &lep_pt) );
342  ANA_CHECK( asmTool_is->register1DHistogram(h_lep_eta_asm, &lep_eta) );
343  ANA_CHECK( asmTool_is->register2DHistogram(h_lep_pt_eta_asm, &lep_pt, &lep_eta) );
344  }
345  asmTool_sav.push_back(asmTool_is);
346  ANA_CHECK( initialize(*asmTool_sav[iSave], input, config.selection, config.process, config.verbose) );
347 
348  toolName = "ApplyFakeFactor_save_" + std::to_string(icase) + "_" + std::to_string(iSave);
349  CP::ApplyFakeFactor *fkfTool_is = new CP::ApplyFakeFactor(toolName);
350  fkfTool_sav.push_back(fkfTool_is);
351  ANA_CHECK( initialize(*fkfTool_sav[iSave], input, config.selection, config.process, config.verbose) );
352  if (config.test_histo) {
353  ANA_CHECK( fkfTool_is->register1DHistogram(h_lep_pt_fkf, &lep_pt) );
354  ANA_CHECK( fkfTool_is->register1DHistogram(h_lep_eta_fkf, &lep_eta) );
355  ANA_CHECK( fkfTool_is->register2DHistogram(h_lep_pt_eta_fkf, &lep_pt, &lep_eta) );
356  }
357  }
358  }
359 
360 
361  Double_t realeff_mean_thiscase = rand.Gaus(config.realeff_mean, realeff_spread);
362  if (realeff_mean_thiscase > 0.99) realeff_mean_thiscase = 0.99;
363  Double_t fakeeff_mean_thiscase = rand.Gaus(config.fakeeff_mean, fakeeff_spread);
364  if (fakeeff_mean_thiscase < 0.01) fakeeff_mean_thiscase = 0.01;
365  if (fakeeff_mean_thiscase > realeff_mean_thiscase) fakeeff_mean_thiscase = realeff_mean_thiscase-0.01;
366 
367  fake_lep_frac = rand.Uniform(); // fraction of fake leptons in the loose sample
368 
369  totWeight_std = 0.;
370  err_std = 0;
371  n_fake_lhood = 0.;
372  n_fake_lhood_tot_poserr = 0.;
373  n_fake_lhood_tot_negerr = 0.;
374 
375  std::vector<LhoodMMEvent> mmevts;
376 
377  true_fakes = 0;
378 
379  std::vector<double> realeff, fakeeff;
380 
381  vector<FinalState*> fs;
382  FinalState* this_fs(0);
383  for (unsigned ilep(0); ilep <= config.maxnbaseline; ilep++) {
384  string error;
385  this_fs = new FinalState(0, ilep, config.selection, config.process, error);
386  fs.push_back(this_fs);
387  }
388 
389  if (config.poisson_fluctuations) {
390  nevents_thiscase = rand.Poisson(config.nevents);
391  } else {
392  nevents_thiscase = config.nevents;
393  }
394 
395  static const SG::Accessor<char> TightAcc("Tight");
396 
397  // need two passes to simulate subtraction of real lepton contribution
398  // in fake factor method with a statistically-independent sample
399  for (int pass(0); pass<2; pass++) {
400  int savIndex(0);
401 
402 
403  int nEventsMultFactor = 1;
404  if (pass > 0) nEventsMultFactor = 10; // simulates higher-stats "MC" for removal of real contribution to fake factor result
405  for (Long64_t ievt(0); ievt<nevents_thiscase*nEventsMultFactor; ievt++) {
406 
407  float nlep_frac = 1./(config.maxnbaseline-config.minnbaseline+1);
408  Int_t nlep_select = config.minnbaseline+rand.Uniform()/nlep_frac;
409 
410  float extraweight(1.0);
411 
412  realeff.clear();
413  fakeeff.clear();
414 
415  xAOD::IParticleContainer leptons(SG::VIEW_ELEMENTS);
416  vector<FakeBkgTools::ParticleData> leptons_data;
417 
418  vector<bool> lep_real;
419 
420  // set up an ordered vector of lepton pts
421  vector<float> lep_pts;
422  for (int ilep(0); ilep < nlep_select; ilep++) {
423  lep_pts.push_back(100*rand.Uniform());
424  }
425  // sort in descending order
426  sort(lep_pts.begin(), lep_pts.end(), std::greater<float>());
427 
428  for (int ilep(0); ilep < nlep_select; ilep++) {
429  xAOD::Electron* lepton = new xAOD::Electron; // for toy MC the lepton flavor doesn't matter
430  // assign the lepton as real or fake
431  bool isReal(false);
432  if (rand.Uniform() > fake_lep_frac) {
433  isReal = true;
434  } else {
435  isReal = false;
436  }
437 
438  lep_real.push_back(isReal);
439  lepton->makePrivateStore();
440  lepton->setCharge(rand.Uniform() > 0.5 ? 1 : -1 );
441 
442  lep_pt = lep_pts[ilep];
443  lep_eta = -5. + 10*rand.Uniform();
444  lepton->setP4( 1000*lep_pt, lep_eta, 0, ParticleConstants::electronMassInMeV);
445 
446  FakeBkgTools::ParticleData lepton_data;
447  ANA_CHECK( lookupEfficiencies(*lepton, lepton_data) );
448  // decide if lepton is tight or not
449  if (isReal) {
450  if (rand.Uniform() < lepton_data.real_efficiency.nominal) {
451  TightAcc(*lepton) = true;
452  } else {
453  TightAcc(*lepton) = false;
454  }
455  } else {
456  if (rand.Uniform() < lepton_data.fake_efficiency.nominal) {
457  TightAcc(*lepton) = true;
458  } else {
459  TightAcc(*lepton) = false;
460  }
461  }
462  leptons.push_back(static_cast<xAOD::IParticle*>(lepton));
463 
464  leptons_data.push_back(lepton_data);
465  }
466 
467  if (pass == 0) {
468  ANA_CHECK( asmTool.addEvent(leptons, extraweight) );
469  ANA_CHECK( fkfTool.addEvent(leptons, extraweight) );
470  ANA_CHECK( lhmTool.addEvent(leptons, extraweight) );
471  ANA_CHECK( lhmTool_FF.addEvent(leptons, extraweight) );
472  if (config.test_save) {
473  ANA_CHECK( lhmTool_sav[savIndex]->addEvent(leptons, extraweight) );
474  ANA_CHECK( lhmTool_FF_sav[savIndex]->addEvent(leptons, extraweight) );
475  ANA_CHECK( asmTool_sav[savIndex]->addEvent(leptons, extraweight) );
476  ANA_CHECK( fkfTool_sav[savIndex]->addEvent(leptons, extraweight) );
477  }
478 
479  }
480 
481  bool all_real(true);
482  if (pass == 1) {
483  for (int ilep(0); ilep < nlep_select; ilep++) {
484  if (!lep_real[ilep]) {
485  all_real = false;
486  }
487  }
488  }
489 
490  // fkfTool.addEvent(leptons, extraweight);
491  if (pass == 1 && all_real) {
492  ANA_CHECK( fkfTool.addEvent(leptons, -extraweight/nEventsMultFactor) );
493  // probably not the fully correct way to do it for the LhoodMM,
494  // but might be close enough
495  ANA_CHECK( lhmTool_FF.addEvent(leptons, -extraweight/nEventsMultFactor) );
496 
497  if (config.test_save) {
498  ANA_CHECK( fkfTool_sav[savIndex]->addEvent(leptons, -extraweight/nEventsMultFactor) );
499  ANA_CHECK( lhmTool_FF_sav[savIndex]->addEvent(leptons, -extraweight/nEventsMultFactor) );
500  }
501  }
502 
503  // determine the expected number of fake lepton events
504  // start by looping over all possible number of tight leptons
505  vector<int> lep_indices;
506  std::bitset<64> tights, reals, charges;
507  for (int ilep(0); ilep < nlep_select; ilep++) {
508  lep_indices.push_back(ilep);
509  if (lep_real[ilep]) reals.set(ilep);
510  }
511 
512  if (pass == 0) {
513  for (long comb(0); comb < (1<<nlep_select); ++comb) {
514  tights = std::bitset<64>(comb);
515  if (fs[nlep_select]->accept_selection(tights, charges)) {
516  if (fs[nlep_select]->accept_process(nlep_select, reals, tights)) {
517  true_fakes += extraweight*comboProb(leptons_data, tights, reals);
518  }
519  }
520  }
521  // now see how many events actually passed the required selection
522  tights.reset();
523  for (int ilep = 0; ilep < nlep_select; ilep++) {
524  if (TightAcc(*leptons[ilep])) tights.set(ilep);
525  }
526  if (fs[nlep_select]->accept_selection(tights,charges) ) {
527  nevents_sel += extraweight;
528  }
529 
530  float wgt(1.);
531  ANA_CHECK( asmTool.getEventWeight(wgt, config.selection, config.process) );
532  asmYield += wgt;
533  asmErr += wgt*wgt;
534 
535  ANA_CHECK( fkfTool.getEventWeight(wgt, config.selection, config.process) );
536  fkfYield += wgt;
537  fkfErr += wgt*wgt;
538  } else {
539  // this is where the subtraction of the real contribution is simulated
540  if (all_real) {
541  float wgt(1.0);
542  ANA_CHECK( fkfTool.getEventWeight(wgt, config.selection, config.process) );
543  fkfYield -= wgt/nEventsMultFactor;
544  fkfErr += wgt*wgt/(nEventsMultFactor);
545  }
546  }
547 
548  if (config.test_save) {
549  if (pass == 0) {
550  if (ievt > 0 && (((nSave*ievt)%nevents_thiscase ==0) || ievt == nevents_thiscase -1) ) {
551  string saveFileName = config.saveFileNameBase;
552  saveFileName+= "_lhm_"+to_string(icase)+"_"+to_string(savIndex)+".root";
553  std::unique_ptr<TFile> saveFile(TFile::Open(saveFileName.c_str(), "RECREATE"));
554  ANA_CHECK( lhmTool_sav[savIndex]->saveProgress(saveFile->mkdir("fakes")) );
555  saveFile->Close();
556 
557  saveFileName = config.saveFileNameBase+"_asm_"+to_string(icase)+"_"+to_string(savIndex)+".root";
558  saveFile = std::make_unique<TFile>(saveFileName.c_str(), "RECREATE");
559  ANA_CHECK( asmTool_sav[savIndex]->saveProgress(saveFile.get()) );
560  saveFile->Close();
561 
562  savIndex++;
563  }
564  } else {
565  if (ievt > 0 && (((nSave*ievt)%(nevents_thiscase*nEventsMultFactor) ==0) || ievt == nevents_thiscase*nEventsMultFactor -1) ) {
566  string saveFileName = config.saveFileNameBase;
567 
568  saveFileName = config.saveFileNameBase+"_lhf_"+to_string(icase)+"_"+to_string(savIndex)+".root";
569  std::unique_ptr<TFile> saveFile(TFile::Open(saveFileName.c_str(), "RECREATE"));
570  ANA_CHECK( lhmTool_FF_sav[savIndex]->saveProgress(saveFile->mkdir("fakes")) );
571  saveFile->Close();
572 
573  saveFileName = config.saveFileNameBase+"_fkf_"+to_string(icase)+"_"+to_string(savIndex)+".root";
574  saveFile = std::make_unique<TFile>(saveFileName.c_str(), "RECREATE");
575  ANA_CHECK( fkfTool_sav[savIndex]->saveProgress(saveFile.get()) );
576  saveFile->Close();
577  savIndex++;
578 
579  float nfakes_tmp(0), err_tmp(0);
580  ANA_CHECK( fkfTool.getTotalYield(nfakes_tmp, err_tmp, err_tmp) );;
581  }
582  }
583  }
584 
585  for (xAOD::IParticleContainer::iterator it = leptons.begin(); it != leptons.end(); ++it) {
586  if (*it != nullptr) delete *it;
587  }
588  leptons.clear();
589  }
590  }
591  asm_err = sqrt(asmErr);
592  asm_fakes = asmYield;
593  ANA_CHECK( asmTool.getTotalYield(asmYield, asmErr, asmErr) );
594 
595 
596  ANA_CHECK( lhmTool.getTotalYield(lhoodMM_fakes, lhoodMM_poserr, lhoodMM_negerr) );
597 
598  ANA_CHECK( lhmTool_FF.getTotalYield(lhoodFF_fakes, lhoodFF_poserr, lhoodFF_negerr) );
599 
600  ANA_CHECK( fkfTool.getTotalYield(fkfYield, fkfErr, fkfErr) );
601  fkf_err = fkfErr;
602  fkf_fakes = fkfYield;
603 
604  if (config.test_systematics) {
605  auto sysvars = asmTool.affectingSystematics();
606  std::string systBrName, systBrNameF;
607 
608  for(auto& sysvar : sysvars){
609  if (config.verbose) asmTool.getSystDescriptor().printUncertaintyDescription(sysvar);
610 
611  float asm_syst_weight, asm_syst_err;
612  float fkf_syst_weight, fkf_syst_err;
613  float lhoodMM_syst_weight, lhoodMM_syst_poserr, lhoodMM_syst_negerr;
614  float lhoodFF_syst_weight, lhoodFF_syst_poserr, lhoodFF_syst_negerr;
615 
616  if (icase == 0) {
617  ANA_CHECK( setupSystBranches("asm", sysvar, asm_syst_weight, asm_syst_err, asm_weight_map, asm_err_map, ntuple) );
618  ANA_CHECK( setupSystBranches("fkf", sysvar, fkf_syst_weight, fkf_syst_err, fkf_weight_map, fkf_err_map, ntuple) );;
619  ANA_CHECK( setupSystBranchesAsym("lhoodMM", sysvar, lhoodMM_syst_weight, lhoodMM_syst_poserr, lhoodMM_syst_negerr, lhoodMM_weight_map, lhoodMM_poserr_map, lhoodMM_negerr_map, ntuple) );
620  ANA_CHECK( setupSystBranchesAsym("lhoodFF", sysvar, lhoodFF_syst_weight, lhoodFF_syst_poserr, lhoodFF_syst_negerr, lhoodFF_weight_map, lhoodFF_poserr_map, lhoodFF_negerr_map, ntuple) );
621  }
622  ANA_CHECK( asmTool.applySystematicVariation({sysvar}) );
623  ANA_CHECK( asmTool.getTotalYield(asm_weight_map.find(sysvar)->second,
624  asm_err_map.find(sysvar)->second,
625  asm_err_map.find(sysvar)->second));
626 
627  ANA_CHECK( fkfTool.applySystematicVariation({sysvar}) );;
628  ANA_CHECK( fkfTool.getTotalYield(fkf_weight_map.find(sysvar)->second,
629  fkf_err_map.find(sysvar)->second,
630  fkf_err_map.find(sysvar)->second) );
631  ANA_CHECK( lhmTool.applySystematicVariation({sysvar}) );;
632  ANA_CHECK( lhmTool.getTotalYield(lhoodMM_weight_map.find(sysvar)->second,
633  lhoodMM_poserr_map.find(sysvar)->second,
634  lhoodMM_negerr_map.find(sysvar)->second) );
635  ANA_CHECK( lhmTool_FF.applySystematicVariation({sysvar}) );;
636  ANA_CHECK( lhmTool_FF.getTotalYield(lhoodFF_weight_map.find(sysvar)->second,
637  lhoodFF_poserr_map.find(sysvar)->second,
638  lhoodFF_negerr_map.find(sysvar)->second) );
639  }
640  }
641 
642 
643  cout << "OUTPUT true_fakes = " << true_fakes << endl;
644  cout << "OUTPUT nfakes for lhoodMM = " << lhoodMM_fakes << " +" << lhoodMM_poserr << " -" << lhoodMM_negerr << endl;
645  cout << "OUTPUT nfakes for lhoodFF = " << lhoodFF_fakes << " +" << lhoodFF_poserr << " -" << lhoodFF_negerr << endl;
646  cout << "OUTPUT nfakes for asm = " << asm_fakes << " +- " << asm_err << endl;
647  cout << "OUTPUT nfakes for fkf = " << fkf_fakes << " +- " << fkf_err << endl;
648  cout << "OUTPUT true_fakes = " << true_fakes << endl;
649  } else {
650 
651  ANA_CHECK( doMerge(input, "lhm", config, h_lep_pt_lhoodMM, lep_pt, h_lep_eta_lhoodMM, lep_eta, h_lep_pt_eta_lhoodMM, lhoodMM_fakes, lhoodMM_poserr, lhoodMM_negerr, icase) );
652  ANA_CHECK( doMerge(input, "lhf", config, h_lep_pt_lhoodFF, lep_pt, h_lep_eta_lhoodFF, lep_eta, h_lep_pt_eta_lhoodFF, lhoodFF_fakes, lhoodFF_poserr, lhoodFF_negerr, icase) );
653  ANA_CHECK( doMerge(input, "asm", config, h_lep_pt_asm, lep_pt, h_lep_eta_asm, lep_eta, h_lep_pt_eta_asm, asm_fakes, asm_err, asm_err, icase) );
654  ANA_CHECK( doMerge(input, "fkf", config, h_lep_pt_fkf, lep_pt, h_lep_eta_fkf, lep_eta, h_lep_pt_eta_fkf, fkf_fakes, fkf_err, fkf_err, icase) );
655  }
656 
657  ntuple->Fill();
658 
659  f_out->cd();
660  if (config.test_histo) {
661  h_lep_pt_lhoodMM->Write();
662  h_lep_eta_lhoodMM->Write();
663  h_lep_pt_eta_lhoodMM->Write();
664  h_lep_pt_lhoodFF->Write();
665  h_lep_eta_lhoodFF->Write();
666  h_lep_pt_eta_lhoodFF->Write();
667  h_lep_pt_asm->Write();
668  h_lep_eta_asm->Write();
669  h_lep_pt_eta_asm->Write();
670  h_lep_pt_fkf->Write();
671  h_lep_eta_fkf->Write();
672  h_lep_pt_eta_fkf->Write();
673 
674  delete h_lep_pt_lhoodMM;
675  delete h_lep_eta_lhoodMM;
676  delete h_lep_pt_eta_lhoodMM;
677  delete h_lep_pt_lhoodFF;
678  delete h_lep_eta_lhoodFF;
679  delete h_lep_pt_eta_lhoodFF;
680  delete h_lep_pt_asm;
681  delete h_lep_eta_asm;
682  delete h_lep_pt_eta_asm;
683  delete h_lep_pt_fkf;
684  delete h_lep_eta_fkf;
685  delete h_lep_pt_eta_fkf;
686 
687 
688  }
689  }
690 
691  f_out->Write();
692  f_out->Close();
693 
694  return StatusCode::SUCCESS;
695 }
696 
697 StatusCode writeROOT(const string& name, int type, float realeff_mean, float fakeeff_mean, float eff_spread, float eff_delta_with_pt){
698  TRandom3 rnd(235789);
699 
700  int nbin = 100;
701 
702  std::unique_ptr<TFile> file(TFile::Open(name.c_str(), "RECREATE"));
703 
704  if(type == 0)
705  {
706  TH1D hElFake("FakeEfficiency_el_pt","FakeEfficiency_el_pt", nbin, 0., 1.*nbin);
707  TH1D hMuFake("FakeEfficiency_mu_pt","FakeEfficiency_mu_pt", nbin, 0., 1.*nbin);
708  TH1D hElReal("RealEfficiency_el_pt","RealEfficiency_el_pt", nbin, 0., 1.*nbin);
709  TH1D hMuReal("RealEfficiency_mu_pt","RealEfficiency_mu_pt", nbin, 0., 1.*nbin);
710 
711  TH1D hElFake_bigSyst("FakeEfficiency_el_pt__bigSyst","FakeEfficiency_el_pt__bigSyst", nbin, 0., 1.*nbin);
712  TH1D hElFake_smallSyst("FakeEfficiency_el_pt__smallSyst","FakeEfficiency_el_pt__smallSyst", nbin, 0., 1.*nbin);
713  TH1D hMuFake_bigSyst("FakeEfficiency_mu_pt__bigSyst","FakeEfficiency_mu_pt__bigSyst", nbin, 0., 1.*nbin);
714  TH1D hMuFake_smallSyst("FakeEfficiency_mu_pt__smallSyst","FakeEfficiency_mu_pt__smallSyst", nbin, 0., 1.*nbin);
715  TH1D hElReal_bigSyst("RealEfficiency_el_pt__bigSyst","RealEfficiency_el_pt__bigSyst", nbin, 0., 1.*nbin);
716  TH1D hMuReal_bigSyst("RealEfficiency_mu_pt__bigSyst","RealEfficiency_mu_pt__bigSyst", nbin, 0., 1.*nbin);
717 
718  for (int ibin = 1; ibin <= nbin; ibin++) {
719  Double_t realeff = TMath::Min(rnd.Gaus(realeff_mean, eff_spread)+eff_delta_with_pt*(ibin-nbin/2), 0.99);
720  Double_t fakeeff = TMath::Max(rnd.Gaus(fakeeff_mean, eff_spread)-eff_delta_with_pt*(ibin-nbin/2), 0.01);
721 
722  float minrfdiff = 0.10;
723  if (realeff - fakeeff < minrfdiff) {
724  if (realeff > minrfdiff) {
725  fakeeff = realeff - minrfdiff;
726  } else {
727  realeff = realeff + 0.10;
728  }
729  }
730 
731  // sanity checks on the efficiencies
732  if (realeff < 0 || realeff > 1.) cout << "ERROR: Bad real efficiency value: " << realeff << endl;
733  if (fakeeff < 0 || fakeeff > 1.) cout << "ERROR: Bad fake efficiency value: " << fakeeff << endl;
734  if ((realeff - fakeeff) < minrfdiff) cout << "ERROR: Too small difference between real and fake efficiencies: " << realeff << " " << fakeeff << endl;
735 
736  hElFake.SetBinContent(ibin, fakeeff);
737  hElFake.SetBinError(ibin, eff_spread);
738  //hElFake.SetBinError(ibin, 0.);
739  hMuFake.SetBinContent(ibin, fakeeff);
740  hMuFake.SetBinError(ibin, eff_spread);
741  //hMuFake.SetBinError(ibin, 0.);
742  hElReal.SetBinContent(ibin, realeff);
743  hElReal.SetBinError(ibin, eff_spread);
744  //hElReal.SetBinError(ibin, 0.);
745  hMuReal.SetBinContent(ibin, realeff);
746  hMuReal.SetBinError(ibin, eff_spread);
747  //hMuReal.SetBinError(ibin, 0.);
748 
749  hElFake_bigSyst.SetBinContent(ibin, 0.20*hElFake.GetBinContent(ibin));
750  hElFake_smallSyst.SetBinContent(ibin, 0.02*hElFake.GetBinContent(ibin));
751  hMuFake_bigSyst.SetBinContent(ibin, 0.20*hMuFake.GetBinContent(ibin));
752  hMuFake_smallSyst.SetBinContent(ibin, 0.02*hMuFake.GetBinContent(ibin));
753  hElReal_bigSyst.SetBinContent(ibin, 0.20*hElReal.GetBinContent(ibin));
754  hMuReal_bigSyst.SetBinContent(ibin, 0.20*hMuReal.GetBinContent(ibin));
755 
756  }
757 
758  file->cd();
759  hElFake.Write();
760  hElReal.Write();
761  hMuFake.Write();
762  hMuReal.Write();
763  hElFake_bigSyst.Write();
764  hElReal_bigSyst.Write();
765  hElFake_smallSyst.Write();
766  hMuFake_bigSyst.Write();
767  hMuFake_smallSyst.Write();
768  hMuReal_bigSyst.Write();
769  }
770  file->Close();
771  return StatusCode::SUCCESS;
772 }
773 
774 StatusCode parseArguments ATLAS_NOT_THREAD_SAFE(int argc, char *argv[], fbtTestToyMC_config &config) {
775  static struct option long_options[] =
776  {
777  {"ncases", required_argument, 0, 'c'},
778  {"nevents", required_argument, 0, 'e'},
779  {"minnb", required_argument, 0, 'm'},
780  {"maxnb", required_argument, 0, 'n'},
781  {"rmean", required_argument, 0, 'r'},
782  {"fmean", required_argument, 0, 'f'},
783  {"effsigma", required_argument, 0, 's'},
784  {"effdeltawithpt", required_argument, 0, 'd'},
785  {"sel", required_argument, 0, 'l'},
786  {"proc", required_argument, 0, 'p'},
787  {"test_save", no_argument, 0, 'S'},
788  {"test_merge", required_argument, 0, 'M'},
789  {"test_histo", required_argument, 0, 'H'},
790  {"test_systematics", no_argument, 0, 'E'},
791  {"verbose", no_argument, 0, 'v'},
792  {"poisson", no_argument, 0, 'P'},
793  {"help", no_argument, 0, 'h'},
794  {0,0,0,0}
795  };
796 
797  int c;
798  // int optind;
799  int longindex = 0;
800 
801  while ((c = getopt_long(argc, argv, "c:e:m:n:r:f:s:d:l:p:S:M:HEPvh", long_options, &longindex)) != -1) {
802  switch(c) {
803  case 'c':
804  config.ncases = atoi(optarg);
805  break;
806  case 'e':
807  config.nevents = atoi(optarg);
808  break;
809  case 'r':
810  config.realeff_mean = atof(optarg);
811  break;
812  case 'f':
813  config.fakeeff_mean = atof(optarg);
814  break;
815  case 's':
816  config.eff_spread = atof(optarg);
817  break;
818  case 'd':
819  config.eff_delta_with_pt = atof(optarg);
820  break;
821  case 'l':
822  config.selection = optarg;
823  break;
824  case 'p':
825  config.process = optarg;
826  break;
827  case 'm':
828  config.minnbaseline = atoi(optarg);
829  break;
830  case 'n':
831  config.maxnbaseline = atoi(optarg);
832  break;
833  case 'S':
834  config.test_save = true;
835  config.saveFileNameBase = optarg;
836  break;
837  case 'M':
838  config.test_merge = true;
839  config.mergeFileNameBase = optarg;
840  break;
841  case 'H':
842  config.test_histo = true;
843  break;
844  case 'E':
845  config.test_systematics = true;
846  break;
847  case 'v':
848  config.verbose = true;
849  break;
850  case 'P':
851  config.poisson_fluctuations = true;
852  break;
853  case 'h':
854  ANA_CHECK( usage() );
855  exit(0);
856  case '?':
857  ANA_CHECK( usage() );
858  abort();
859  default:
860  abort();
861  }
862  }
863 
864  // remove any \ from selection and process strings
865  size_t pos;
866 
867  pos = config.selection.find("\"");
868  while (pos != string::npos) {
869  config.selection.replace(pos, 1, "");
870  pos = config.selection.find("\"");
871  }
872  pos = config.process.find("\"");
873  while (pos != string::npos) {
874  config.process.replace(pos, 1, "");
875  pos = config.process.find("\"");
876  }
877  return StatusCode::SUCCESS;
878 }
879 
880 std::unique_ptr<TFile> openRootFile(fbtTestToyMC_config &config) {
881  string outputdirname;
882  string rootfilename;
883  outputdirname = "FakeBkgTools_toy_MC_nevents_";
884  outputdirname += to_string(config.nevents);
885  outputdirname += "_ncases_";
886  outputdirname += to_string(config.ncases);
887  outputdirname += "_minnbaseline_";
888  outputdirname += to_string(config.minnbaseline);
889  outputdirname += "_maxnbaseline_";
890  outputdirname += to_string(config.maxnbaseline);
891  outputdirname += "_realeff_";
892  outputdirname += to_string(config.realeff_mean);
893  outputdirname += "_fakeeff_";
894  outputdirname += to_string(config.fakeeff_mean);
895  outputdirname += "_effspread_";
896  outputdirname += to_string(config.eff_spread);
897  outputdirname += "_selection_";
898  outputdirname += config.selection;
899  outputdirname += "_process_";
900  outputdirname += config.process;
901  if (config.poisson_fluctuations) {
902  outputdirname += "_poisson_";
903  }
904 
905  //now replace things like >, < from selection and process strings to get a
906  //legal directory name
907  size_t pos;
908  pos = outputdirname.find(">=");
909  while (pos != string::npos) {
910  outputdirname.replace(pos, 2, "ge");
911  pos = outputdirname.find(">=");
912  }
913  pos = outputdirname.find("<=");
914  while (pos != string::npos) {
915  outputdirname.replace(pos, 2, "le");
916  pos = outputdirname.find("<=");
917  }
918  pos = outputdirname.find(">");
919  while (pos != string::npos) {
920  outputdirname.replace(pos, 1, "gt");
921  pos = outputdirname.find(">");
922  }
923  pos = outputdirname.find("<");
924  while (pos != string::npos) {
925  outputdirname.replace(pos, 1, "lt");
926  pos = outputdirname.find("<");
927  }
928  pos = outputdirname.find("=");
929  while (pos != string::npos) {
930  outputdirname.replace(pos, 1, "eq");
931  pos = outputdirname.find("=");
932  }
933  pos = outputdirname.find(",");
934  while (pos != string::npos) {
935  outputdirname.replace(pos, 1, "");
936  pos = outputdirname.find(",");
937  }
938  pos = outputdirname.find("[");
939  while (pos != string::npos) {
940  outputdirname.replace(pos, 1, "");
941  pos = outputdirname.find("[");
942  }
943  pos = outputdirname.find("]");
944  while (pos != string::npos) {
945  outputdirname.replace(pos, 1, "");
946  pos = outputdirname.find("]");
947  }
948  pos = outputdirname.find("\"");
949  while (pos != string::npos) {
950  outputdirname.replace(pos, 1, "");
951  pos = outputdirname.find("\"");
952  }
953  pos = outputdirname.find("\\");
954  while (pos != string::npos) {
955  outputdirname.replace(pos, 1, "");
956  pos = outputdirname.find("\\");
957  }
958 
959  gSystem->mkdir(outputdirname.c_str());
960  rootfilename = outputdirname+"/output.root";
961 
962  config.outputdirname = outputdirname;
963 
964  std::unique_ptr<TFile> f_out(TFile::Open(rootfilename.c_str(),"RECREATE"));
965 
966  return f_out;
967 }
968 
969 StatusCode initialize ATLAS_NOT_THREAD_SAFE(CP::BaseFakeBkgTool& tool, const std::vector<std::string>& input, const std::string& selection, const std::string& process, bool verbose)
970 {
971  ANA_CHECK( tool.setProperty("InputFiles", input) );
972  ANA_CHECK( tool.setProperty("EnergyUnit", "GeV") );
973  ANA_CHECK( tool.setProperty("Selection", selection) );
974  ANA_CHECK( tool.setProperty("Process", process) );
975  if(verbose) {
976  ANA_CHECK( tool.setProperty("OutputLevel", MSG::VERBOSE) );
977  }
978  else{
979  ANA_CHECK( tool.setProperty("OutputLevel", MSG::INFO) );
980  }
981  ANA_CHECK( tool.setProperty("ConvertWhenMissing", true) );
982  ANA_CHECK( tool.initialize() );
983  return StatusCode::SUCCESS;
984 }
985 
986 StatusCode setupEfficiencies ATLAS_NOT_THREAD_SAFE() {
987  rootEffFile = new TFile(rootEffFileName.c_str());
988  if (rootEffFile == 0) {
989  cout << "Um, no ROOT file!" << endl;
990  return StatusCode::FAILURE;
991  }
992 
993  h_realeff_e = (TH1F*)rootEffFile->Get("RealEfficiency_el_pt");
994  h_fakeeff_e = (TH1F*)rootEffFile->Get("FakeEfficiency_el_pt");
995  h_realeff_mu = (TH1F*)rootEffFile->Get("RealEfficiency_mu_pt");
996  h_fakeeff_mu = (TH1F*)rootEffFile->Get("FakeEfficiency_mu_pt");
997 
998  h_realeff_e->SetDirectory(0);
999  h_fakeeff_e->SetDirectory(0);
1000  h_realeff_mu->SetDirectory(0);
1001  h_fakeeff_mu->SetDirectory(0);
1002 
1003  if (h_realeff_e == 0) cout << "No real e" << endl;
1004  if (h_fakeeff_e == 0) cout << "No fake e" << endl;
1005  if (h_realeff_mu == 0) cout << "No real mu" << endl;
1006  if (h_fakeeff_mu == 0) cout << "No fake mu" << endl;
1007 
1008  rootEffFile->Close();
1009  delete rootEffFile;
1010  return StatusCode::SUCCESS;
1011 }
1012 
1013 StatusCode lookupEfficiencies ATLAS_NOT_THREAD_SAFE(xAOD::IParticle& lepton, FakeBkgTools::ParticleData& lepton_data) {
1014 
1015  if (h_realeff_e == 0) cout << "No real e" << endl;
1016  if (h_fakeeff_e == 0) cout << "No fake e" << endl;
1017  if (h_realeff_mu == 0) cout << "No real mu" << endl;
1018  if (h_fakeeff_mu == 0) cout << "No fake mu" << endl;
1019  if (lepton.type() == xAOD::Type::Electron) {
1020  lepton_data.real_efficiency.nominal = h_realeff_e->GetBinContent(h_realeff_e->FindBin(lepton.pt()/1000.));
1021  lepton_data.fake_efficiency.nominal = h_fakeeff_e->GetBinContent(h_fakeeff_e->FindBin(lepton.pt()/1000.));
1022  } else {
1023  lepton_data.real_efficiency.nominal = h_realeff_mu->GetBinContent(h_realeff_mu->FindBin(lepton.pt()/1000.));
1024  lepton_data.fake_efficiency.nominal = h_fakeeff_mu->GetBinContent(h_fakeeff_mu->FindBin(lepton.pt()/1000.));
1025  }
1026  return StatusCode::SUCCESS;
1027 }
1028 
1029 double comboProb(const vector<FakeBkgTools::ParticleData> & leptons_data, const std::bitset<64> & tights, const std::bitset<64> &reals) {
1030 
1031  double prob(1.);
1032  for (unsigned ilep = 0; ilep < leptons_data.size(); ilep++) {
1033  if (tights[ilep]) {
1034  if (reals[ilep]) {
1035  prob *= leptons_data[ilep].real_efficiency.nominal;
1036  } else {
1037  prob *= leptons_data[ilep].fake_efficiency.nominal;
1038  }
1039  } else {
1040  if (reals[ilep]) {
1041  prob *= (1.-leptons_data[ilep].real_efficiency.nominal);
1042  } else {
1043  prob *= (1.-leptons_data[ilep].fake_efficiency.nominal);
1044  }
1045  }
1046  }
1047 
1048  return prob;
1049 }
1050 
1051 double comboProb_FF(const vector<FakeBkgTools::ParticleData> & leptons_data, const std::bitset<64> &tights, const std::bitset<64> & reals) {
1052 
1053  // like comboProb, but with real efficiencies set to 1.
1054  double prob(1.);
1055  for (unsigned ilep = 0; ilep < leptons_data.size(); ilep++) {
1056  if (tights[ilep]) {
1057  if (reals[ilep]) {
1058  } else {
1059  prob *= leptons_data[ilep].fake_efficiency.nominal;
1060  }
1061  } else {
1062  if (reals[ilep]) {
1063  prob *= 0;
1064  } else {
1065  prob *= (1.-leptons_data[ilep].fake_efficiency.nominal);
1066  }
1067  }
1068  }
1069  for (unsigned ilep = 0; ilep < leptons_data.size(); ilep++) {
1070  if (reals[ilep]) {
1071  float F = leptons_data[ilep].fake_efficiency.nominal/(1-leptons_data[ilep].fake_efficiency.nominal);
1072  prob += F;
1073  }
1074  }
1075  return prob;
1076 }
1077 
1078 StatusCode setupSystBranches(const char* baseName,
1079  CP::SystematicVariation sysvar,
1080  float &weight,
1081  float &weight_err,
1082  std::map<CP::SystematicVariation, float> &syst_map,
1083  std::map<CP::SystematicVariation, float> &syst_err_map,
1084  TTree* ntuple) {
1085  syst_map.emplace(std::make_pair(sysvar, weight));
1086  std::string systBrName = baseName;
1087  systBrName = systBrName+"_fakes_"+sysvar.name();
1088  std::string systBrNameF = systBrName+"/F";
1089  ntuple->Branch(systBrName.c_str(), &(syst_map.find(sysvar)->second), systBrNameF.c_str());
1090  syst_err_map.emplace(std::make_pair(sysvar, weight_err));
1091  systBrName = baseName;
1092  systBrName = systBrName+"_err_"+sysvar.name();
1093  systBrNameF = systBrName+"/F";
1094  ntuple->Branch(systBrName.c_str(), &(syst_err_map.find(sysvar)->second), systBrNameF.c_str());
1095 
1096  return StatusCode::SUCCESS;
1097 }
1098 
1099 StatusCode setupSystBranchesAsym(const char* baseName,
1100  CP::SystematicVariation sysvar,
1101  float &weight,
1102  float &weight_poserr,
1103  float &weight_negerr,
1104  std::map<CP::SystematicVariation, float> &syst_map,
1105  std::map<CP::SystematicVariation, float> &syst_poserr_map,
1106  std::map<CP::SystematicVariation, float> &syst_negerr_map,
1107  TTree* ntuple) {
1108  syst_map.emplace(std::make_pair(sysvar, weight));
1109  std::string systBrName = baseName;
1110  systBrName = systBrName+"_fakes_"+sysvar.name();
1111  std::string systBrNameF = systBrName+"/F";
1112  ntuple->Branch(systBrName.c_str(), &(syst_map.find(sysvar)->second), systBrNameF.c_str());
1113  syst_poserr_map.emplace(std::make_pair(sysvar, weight_poserr));
1114  systBrName = baseName;
1115  systBrName = systBrName+"_poserr_"+sysvar.name();
1116  systBrNameF = systBrName+"/F";
1117  ntuple->Branch(systBrName.c_str(), &(syst_poserr_map.find(sysvar)->second), systBrNameF.c_str());
1118  syst_negerr_map.emplace(std::make_pair(sysvar, weight_negerr));
1119  systBrName = baseName;
1120  systBrName = systBrName+"_negerr_"+sysvar.name();
1121  systBrNameF = systBrName+"/F";
1122  ntuple->Branch(systBrName.c_str(), &(syst_negerr_map.find(sysvar)->second), systBrNameF.c_str());
1123 
1124  return StatusCode::SUCCESS;
1125 }
1126 
1127 StatusCode doMerge ATLAS_NOT_THREAD_SAFE( const std::vector<std::string> & input, const std::string & name, fbtTestToyMC_config &config, TH1F* h_lep_pt, float &lep_pt, TH1F* h_lep_eta, float &lep_eta, TH2F* h_lep_pt_eta, float &fakes, float &poserr, float &negerr, int icase) {
1128 
1129  std::string haddcmd = "hadd -f "+config.mergeFileNameBase+"_"+name+"_"+to_string(icase)+".root "+config.mergeFileNameBase+"_"+name+"_"+to_string(icase)+"_*.root";
1130  system(haddcmd.c_str());
1131 
1132  std::unique_ptr<CP::BaseFakeBkgTool> tool;
1133 
1134  if (name == "lhm" || name == "lhf") {
1135  std::string toolName = "Lhood";
1136  if (name == "lhm") {
1137  toolName += "MM";
1138  } else {
1139  toolName += "FF";
1140  }
1141  toolName += to_string(icase)+"_tools_merge";
1142  tool = std::make_unique<CP::LhoodMM_tools>(toolName);
1143  if (name == "lhf") {
1144  ANA_CHECK( tool->setProperty("DoFakeFactorFit", true) );
1145  }
1146  ANA_CHECK( tool->setProperty("ProgressFileDirectory", "fakes") );
1147  } else if (name == "asm") {
1148  tool = std::make_unique<CP::AsymptMatrixTool>("asm_tool_merge");
1149  } else if (name == "fkf") {
1150  tool = std::make_unique<CP::ApplyFakeFactor>("fkf_tool_merge");
1151  }
1152 
1153  std::string mergeFileName = config.mergeFileNameBase+"_"+name+"_"+to_string(icase)+".root";
1154  std::cout << mergeFileName << std::endl;
1155  ANA_CHECK( tool->setProperty("ProgressFileName", mergeFileName) );
1156  ANA_CHECK( initialize(*tool, input, config.selection, config.process, config.verbose) );
1157  if (config.test_histo) {
1158  ANA_CHECK( tool->register1DHistogram(h_lep_pt, &lep_pt) );
1159  ANA_CHECK( tool->register1DHistogram(h_lep_eta, &lep_eta) );
1160  ANA_CHECK( tool->register2DHistogram(h_lep_pt_eta, &lep_pt, &lep_eta) );
1161  }
1162 
1163  ANA_CHECK( tool->getTotalYield(fakes, poserr, negerr) );
1164  // cout << "merged lhm nfakes = " << lhoodMM_fakes << " + " << lhoodMM_poserr << " " << lhoodMM_negerr << endl;
1165  return StatusCode::SUCCESS;
1166 }
1167 
1168 StatusCode usage() {
1169  std::cout << std::endl << "fbtTestToyMC provides a toy MC model of a set of pseudoexperiments. It is intended to explore the statistical properties of the fake lepton background estimate for a given set of experiemental conditions (number of events, number of leptons required, typical values of the real and fake efficiencies, etc.)" << std::endl << std::endl;
1170  std::cout << "Options: " << std::endl;
1171  std::cout << " --ncases, -c: number of pseudoexperiments to run (default: 100)" << std::endl;
1172  std::cout << " --nevents, -e: number of events in each pseudoexperiment (default: 100)" << std::endl;
1173  std::cout << " --poisson, -P: use Poisson-distributed number of events in each pseudoexperiment, rather than a fixed number (default: false)" << std::endl;
1174  std::cout << " --minnb, -m: minimum number of baseline leptons per event (default: 1)" << std::endl;
1175  std::cout << " --maxnb, -m: maximum number of baseline leptons per event (default: 4)" << std::endl;
1176  std::cout << " --rmean, -r: average real lepton efficiency (default: 0.9)" << std::endl;
1177  std::cout << " --fmean, -f: average fake lepton efficiency (default: 0.2)" << std::endl;
1178  std::cout << " --effsigma, -s: standard deviation for lepton-to-lepton variation in real and fake efficiencies (default: 0.10)" << std::endl;
1179  std::cout << " --effdeltawithpt, -d: rate at which the real (fake) efficiency increases (decreases) with simulated pt. Note that the simulated pt range is 0 to 100" << std::endl;
1180  std::cout << " --sel, -l: selection string to be used by the tools (default \" >= 1T\") " << std::endl;
1181  std::cout << " --proc, -p: process string to be used by the tools (default \" >= 1F[T]\") " << std::endl;
1182  std::cout << " --test_save, -S: save output from subjobs in each pseudoexperiement. If set, requires an argument to specify the base name of the root files where the output will be saved. (default: false) " << std::endl;
1183  std::cout << " --test_merge, -M: merge output from subjobs in each pseudoexperiement. If set, requires an argument to specify the base name of the root files to be merged. This should match the base name used in a previous run with the --test_save option (default: false) " << std::endl;
1184  std::cout << " --test_histo, -H: test the filling of 1- and 2-dimensional histograms (default: false) " << std::endl;
1185  std::cout << " --test_systematics, -E: test the handling of systematic unceratinties (default: false) " << std::endl;
1186  std::cout << " --verbose, -v: enable verbose output (default: false) " << std::endl;
1187  std::cout << " --help, -h: print this help message" << std::endl;
1188  return StatusCode::SUCCESS;;
1189 }
h_realeff_mu
TH1F * h_realeff_mu
Definition: fbtTestToyMC.cxx:73
fbtTestToyMC_config::realeff_mean
float realeff_mean
Definition: fbtTestToyMC.cxx:51
fbtTestToyMC_config::eff_spread
float eff_spread
Definition: fbtTestToyMC.cxx:53
comboProb_FF
double comboProb_FF(const vector< FakeBkgTools::ParticleData > &leptons_data, const std::bitset< 64 > &tights, const std::bitset< 64 > &reals)
Definition: fbtTestToyMC.cxx:1051
comboProb
double comboProb(const vector< FakeBkgTools::ParticleData > &leptons_data, const std::bitset< 64 > &tights, const std::bitset< 64 > &reals)
Definition: fbtTestToyMC.cxx:1029
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Definition: BaseFakeBkgTool.h:41
xAOD::Electron
Electron_v1 Electron
Definition of the current "egamma version".
Definition: Event/xAOD/xAODEgamma/xAODEgamma/Electron.h:17
nSave
const int nSave
Definition: fbtTestToyMC.cxx:131
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std::ofstream * f_stdpos_lhood_0
Definition: fbtTestToyMC.cxx:129
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bool test_save
Definition: fbtTestToyMC.cxx:57
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std::ofstream * f_stdneg_lhood_pos
Definition: fbtTestToyMC.cxx:128
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this data object is a view, it does not own its elmts
Definition: OwnershipPolicy.h:18
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string hname
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unsigned ncases
Definition: fbtTestToyMC.cxx:48
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virtual StatusCode getTotalYield(float &yield, float &statErrUp, float &statErrDown) override final
returns the accumulated fake lepton background yield (or compute it, in the case of the likelihood ma...
Definition: LhoodMM_tools.cxx:306
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TH1F * h_fakeeff_mu
Definition: fbtTestToyMC.cxx:73
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Double_t n_fake_lhood_tot_negerr
Definition: fbtTestToyMC.cxx:126
CP::BaseFakeBkgTool::applySystematicVariation
virtual StatusCode applySystematicVariation(const CP::SystematicSet &systConfig) override
effects: configure this tool for the given list of systematic variations.
Definition: BaseFakeBkgTool.cxx:465
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unsigned nevents
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const std::string & name() const
description: the full systematics name, for use in strings, etc.
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Definition: skel.GENtoEVGEN.py:407
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virtual Type::ObjectType type() const =0
The type of the object as a simple enumeration.
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#define ANA_CHECK(EXP)
check whether the given expression was successful
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Definition: ApplyFakeFactor.h:22
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std::string mergeFileNameBase
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Definition: SystematicVariation.h:47
xAOD::IParticle
Class providing the definition of the 4-vector interface.
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Definition: covarianceTool.py:678
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def TH2F(name, title, nxbins, bins_par2, bins_par3, bins_par4, bins_par5=None, bins_par6=None, path='', **kwargs)
Definition: TrigEgammaMonitorHelper.py:45
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virtual StatusCode getEventWeight(float &weight, const std::string &selection, const std::string &process) override final
returns an event weight addEvent() must have been called before hand.
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Specialization of sort for DataVector/List.
Definition: DVL_algorithms.h:554
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list long_options
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Definition: PhysicsAnalysis/AnalysisCommon/AssociationUtils/python/config.py:1
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bool verbose
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double weight_lepfakes_2tight_1loose
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StatusCode setupSystBranchesAsym(const char *baseName, CP::SystematicVariation sysvar, float &weight, float &weight_poserr, float &weight_negerr, std::map< CP::SystematicVariation, float > &syst_map, std::map< CP::SystematicVariation, float > &syst_poserr_map, std::map< CP::SystematicVariation, float > &syst_negerr_map, TTree *ntuple)
Definition: fbtTestToyMC.cxx:1099
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#define ANA_MSG_HEADER(NAME)
for standalone code this creates a new message category
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void setCharge(float charge)
set the charge of the object
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Main class for all the CppUnit test classes
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bool poisson_fluctuations
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virtual StatusCode register2DHistogram(TH2 *h2, const float *xval, const float *yval) override
associates a 2D histogram to the tool, to obtain a binned estimate of the fake lepton background the ...
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void setP4(float pt, float eta, float phi, float m)
set the 4-vec
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Definition: LArG4FSStartPointFilter.py:80
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(Non-const) Iterator class for DataVector/DataList.
Definition: DVLIterator.h:184
ParticleConstants.h
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unsigned minnbaseline
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EL::StatusCode
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StatusCode definition for legacy code.
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std::string process
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Definition: fbtTestToyMC.cxx:73
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Definition: DataVector.h:794
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Erase all the elements in the collection.
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double atof(std::string_view str)
Converts a string into a double / float.
Definition: Control/CxxUtils/Root/StringUtils.cxx:91
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StatusCode setupSystBranches(const char *baseName, CP::SystematicVariation sysvar, float &weight, float &weight_err, std::map< CP::SystematicVariation, float > &syst_map, std::map< CP::SystematicVariation, float > &syst_err_map, TTree *ntuple)
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virtual double pt() const =0
The transverse momentum ( ) of the particle.
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float fakeeff_mean
Definition: fbtTestToyMC.cxx:52
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const std::string selection
Definition: fbtTestBasics.cxx:75
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#define ANA_MSG_SOURCE(NAME, TITLE)
the source code part of ANA_MSG_SOURCE
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Double_t n_fake_lhood
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string rootEffFileName
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Definition: AtlCoolConsole.py:452
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weight_lepfakes_2tight
double weight_lepfakes_2tight
Definition: fbtTestToyMC.cxx:113
DataVector::push_back
value_type push_back(value_type pElem)
Add an element to the end of the collection.
FakeBkgInternals.h
SG::AuxElement::makePrivateStore
void makePrivateStore()
Create a new (empty) private store for this object.
Definition: AuxElement.cxx:192
FakeBkgTools::ParticleData::real_efficiency
Efficiency real_efficiency
Definition: FakeBkgInternals.h:86
n_fake_lhood_tot_poserr
Double_t n_fake_lhood_tot_poserr
Definition: fbtTestToyMC.cxx:125
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Definition: Electron_v1.h:34
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Definition: downloadSingle.py:40
DataVector::end
const_iterator end() const noexcept
Return a const_iterator pointing past the end of the collection.
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Definition: FakeBkgInternals.h:42
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Definition: FakeBkgInternals.h:98
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virtual StatusCode register1DHistogram(TH1 *h1, const float *val) override
associates a 1D histogram to the tool, to obtain a binned estimate of the fake lepton background the ...
Definition: BaseLinearFakeBkgTool.cxx:121
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StatusCode writeROOT(const string &name, int type, float realeff_mean, float fakeeff_mean, float eff_spread, float eff_delta_with_pt)
Definition: fbtTestToyMC.cxx:697
python.Constants.INFO
int INFO
Definition: Control/AthenaCommon/python/Constants.py:15
ANA_CHECK_SET_TYPE
#define ANA_CHECK_SET_TYPE(TYPE)
set the type for ANA_CHECK to report failures
Definition: Control/AthToolSupport/AsgMessaging/AsgMessaging/MessageCheck.h:314
fbtTestToyMC_config::eff_delta_with_pt
float eff_delta_with_pt
Definition: fbtTestToyMC.cxx:54
CP::BaseLinearFakeBkgTool::getTotalYield
virtual StatusCode getTotalYield(float &yield, float &statErrorUp, float &statErrorDown) override final
returns the accumulated fake lepton background yield (or compute it, in the case of the likelihood ma...
Definition: BaseLinearFakeBkgTool.cxx:70
python.TriggerHandler.verbose
verbose
Definition: TriggerHandler.py:296
CP::BaseFakeBkgTool::affectingSystematics
virtual CP::SystematicSet affectingSystematics() const override
the list of all systematics this tool can be affected by
Definition: BaseFakeBkgTool.cxx:438
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#define F(x, y, z)
Definition: MD5.cxx:112
Herwig7_QED_EvtGen_ll.fs
dictionary fs
Definition: Herwig7_QED_EvtGen_ll.py:17
CP::LhoodMM_tools
Definition: LhoodMM_tools.h:28
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Definition: fbtTestToyMC.cxx:46
CxxUtils::atoi
int atoi(std::string_view str)
Helper functions to unpack numbers decoded in string into integers and doubles The strings are requir...
Definition: Control/CxxUtils/Root/StringUtils.cxx:85
Electron.h
python.TrigEgammaMonitorHelper.TH1F
def TH1F(name, title, nxbins, bins_par2, bins_par3=None, path='', **kwargs)
Definition: TrigEgammaMonitorHelper.py:24
StandaloneToolHandle.h
CP::BaseFakeBkgTool::addEvent
virtual StatusCode addEvent(const xAOD::IParticleContainer &particles, float extraWeight=1.f) override final
supply list of leptons / global variables, internal counters incremented Does not return anything; ev...
Definition: BaseFakeBkgTool.cxx:238
python.Constants.VERBOSE
int VERBOSE
Definition: Control/AthenaCommon/python/Constants.py:13
CP::LhoodMM_tools::register2DHistogram
virtual StatusCode register2DHistogram(TH2 *h2, const float *xval, const float *yval) override
associates a 2D histogram to the tool, to obtain a binned estimate of the fake lepton background the ...
Definition: LhoodMM_tools.cxx:191
fbtTestToyMC_config::test_histo
bool test_histo
Definition: fbtTestToyMC.cxx:63
FakeBkgTools::ParticleData::fake_efficiency
Efficiency fake_efficiency
Definition: FakeBkgInternals.h:86
fbtTestToyMC_config::saveFileNameBase
std::string saveFileNameBase
Definition: fbtTestToyMC.cxx:59
get_generator_info.error
error
Definition: get_generator_info.py:40
error
Definition: IImpactPoint3dEstimator.h:70
CP::IFakeBkgSystDescriptor::printUncertaintyDescription
virtual void printUncertaintyDescription(const CP::SystematicVariation &systematic) const =0
prints a human-readable description of the source of systematic uncertainty specified as argument
LhoodMM_tools.h
python.compressB64.c
def c
Definition: compressB64.py:93
CP::AsymptMatrixTool
Definition: AsymptMatrixTool.h:18
ApplyFakeFactor.h
writeXML
StatusCode writeXML(const string &name, int type)
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const_iterator begin() const noexcept
Return a const_iterator pointing at the beginning of the collection.
AsymptMatrixTool.h
CP::BaseFakeBkgTool::getSystDescriptor
virtual const IFakeBkgSystDescriptor & getSystDescriptor() const override
retrieves an interface to various helper methods to identify what the different SystematicVariations ...
Definition: BaseFakeBkgTool.h:74
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StatusCode initialize ATLAS_NOT_THREAD_SAFE(CP::BaseFakeBkgTool &tool, const std::vector< std::string > &input, const std::string &selection, const std::string &process, bool verbose)
Definition: fbtTestToyMC.cxx:969
ParticleConstants::PDG2011::electronMassInMeV
constexpr double electronMassInMeV
the mass of the electron (in MeV)
Definition: ParticleConstants.h:26
weight_lepfakes_3tight
double weight_lepfakes_3tight
Definition: fbtTestToyMC.cxx:114
CP::LhoodMM_tools::register1DHistogram
virtual StatusCode register1DHistogram(TH1 *h1, const float *val) override
associates a 1D histogram to the tool, to obtain a binned estimate of the fake lepton background the ...
Definition: LhoodMM_tools.cxx:163
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