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1#ifndef ROOT_TMVA_ROCCalc
2#define ROOT_TMVA_ROCCalc
4#include "RtypesCore.h"
6class TList;
7class TTree;
8class TString;
9class TH1;
10class TH1D;
11class TH2;
12class TH2F;
13class TSpline;
15namespace TMVA {
17 class MsgLogger;
20 class ROCCalc {
22 public:
23 ROCCalc(TH1* mvaS, TH1* mvaB);
25 ~ROCCalc();
28 TH1D* GetROC();
29 // return the signal eff for a given backgr. efficiency
30 Double_t GetEffSForEffBof(Double_t effBref, Double_t &effSerr);
31 // return the cut value
33 // return the area under the ROC curve
35 // return the statistical significance as function of the mva cut value
36 TH1* GetSignificance( Int_t nStot, Int_t nBtot);
37 TH1* GetPurity(Int_t nStot, Int_t nBtot);
39 void ApplySignalAndBackgroundStyle( TH1* sig, TH1* bkg, TH1* any = 0 );
44 //false if is found some error in mvaS or mvaB
48 private:
51 Int_t fMaxIter; // maximum number of iterations
52 Double_t fAbsTol; // absolute tolerance deviation
54 Bool_t fStatus; //false if is found some error in mvaS or mvaB
59 TH1* fmvaS, *fmvaB; // the input mva distributions
60 TH1* fmvaSpdf, *fmvaBpdf; // the normalized (and rebinned) input mva distributions
61 Float_t fXmin, fXmax; // min and max of the mva distribution
62 Double_t fNevtS; // number of signal events (used in error calculation)
63 Int_t fCutOrientation; //+1 if larger mva value means more signal like, -1 otherwise
65 TSpline* fSplmvaCumS, *fSplmvaCumB; // spline of cumulated mva distributions
75 Double_t fSignalCut; // MVA cut value for last demanded background rejection or signal efficiency
77 mutable MsgLogger* fLogger; //! message logger
78 MsgLogger& Log() const { return *fLogger; }
80 };
double Double_t
Definition RtypesCore.h:59
float Float_t
Definition RtypesCore.h:57
const Bool_t kTRUE
Definition RtypesCore.h:91
1-D histogram with a double per channel (see TH1 documentation)}
Definition TH1.h:618
TH1 is the base class of all histogram classes in ROOT.
Definition TH1.h:58
2-D histogram with a float per channel (see TH1 documentation)}
Definition TH2.h:251
Service class for 2-Dim histogram classes.
Definition TH2.h:30
A doubly linked list.
Definition TList.h:44
ostringstream derivative to redirect and format output
Definition MsgLogger.h:59
TH1 * GetMvaSpdf()
Definition ROCCalc.h:41
Double_t fSignalCut
Definition ROCCalc.h:75
Double_t Root(Double_t)
Root finding using Brents algorithm; taken from CERNLIB function RZERO.
Definition ROCCalc.cxx:348
TH1 * fmvaScumul
Definition ROCCalc.h:67
void ResetStatus()
Definition ROCCalc.h:46
TH1 * fmvaBcumul
Definition ROCCalc.h:67
TSpline * fSplS
Definition ROCCalc.h:64
TH1 * fPurity
Definition ROCCalc.h:70
Bool_t GetStatus()
Definition ROCCalc.h:45
Double_t GetROCIntegral()
code to compute the area under the ROC ( rej-vs-eff ) curve
Definition ROCCalc.cxx:268
Float_t fXmax
Definition ROCCalc.h:61
Float_t fXmin
Definition ROCCalc.h:61
TSpline * fSplmvaCumB
Definition ROCCalc.h:65
TH1D * rejBvsS
Definition ROCCalc.h:72
Int_t fnBtot
Definition ROCCalc.h:68
TSpline * fSplmvaCumS
Definition ROCCalc.h:65
Int_t fnStot
Definition ROCCalc.h:68
Int_t fMaxIter
Definition ROCCalc.h:51
TSpline * fSpleffBvsS
Definition ROCCalc.h:66
Bool_t fStatus
Definition ROCCalc.h:54
Double_t GetSignalReferenceCut()
Definition ROCCalc.h:32
Int_t fCutOrientation
Definition ROCCalc.h:63
TH1 * GetPurity(Int_t nStot, Int_t nBtot)
Definition ROCCalc.cxx:429
Double_t GetEffSForEffBof(Double_t effBref, Double_t &effSerr)
get the signal efficiency for a particular background efficiency that will be the value of the effici...
Definition ROCCalc.cxx:292
TH1 * GetSignificance(Int_t nStot, Int_t nBtot)
Definition ROCCalc.cxx:440
TH1D * effBvsS
Definition ROCCalc.h:71
MsgLogger & Log() const
message logger
Definition ROCCalc.h:78
TH1 * fmvaSpdf
Definition ROCCalc.h:60
TH1D * GetROC()
get the ROC curve
Definition ROCCalc.cxx:178
TH1 * fmvaS
Definition ROCCalc.h:59
Definition ROCCalc.cxx:160
TH1 * fmvaB
Definition ROCCalc.h:59
TH1 * GetMvaBpdf()
Definition ROCCalc.h:42
TH1D * inveffBvsS
Definition ROCCalc.h:73
void ApplySignalAndBackgroundStyle(TH1 *sig, TH1 *bkg, TH1 *any=0)
Definition ROCCalc.cxx:113
TSpline * fSplB
Definition ROCCalc.h:64
Bool_t fUseSplines
Definition ROCCalc.h:57
TH1 * fSignificance
Definition ROCCalc.h:69
UInt_t fNbins
Definition ROCCalc.h:56
MsgLogger * fLogger
Definition ROCCalc.h:77
Double_t fAbsTol
Definition ROCCalc.h:52
TH1 * fmvaBpdf
Definition ROCCalc.h:60
Double_t GetEffForRoot(Double_t theCut)
returns efficiency as function of cut
Definition ROCCalc.cxx:323
Double_t fNevtS
Definition ROCCalc.h:62
Base class for spline implementation containing the Draw/Paint methods.
Definition TSpline.h:31
Basic string class.
Definition TString.h:136
A TTree represents a columnar dataset.
Definition TTree.h:79
create variable transformations