TMVA::CrossEntropy Class Reference

Implementation of the CrossEntropy as separation criterion.

         -p log (p) - (1-p)log(1-p);     p=purity

Definition at line 43 of file CrossEntropy.h.

Public Member Functions
	CrossEntropy ()
	CrossEntropy (const CrossEntropy &g)
virtual	~CrossEntropy ()
virtual Double_t	GetSeparationIndex (const Double_t s, const Double_t b)
	Cross Entropy defined as:
virtual TClass *	IsA () const
virtual void	Streamer (TBuffer &)
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
Public Member Functions inherited from TMVA::SeparationBase
	SeparationBase ()
	Constructor.
	SeparationBase (const SeparationBase &s)
	Copy constructor.
virtual	~SeparationBase ()
const TString &	GetName ()
virtual Double_t	GetSeparationGain (const Double_t nSelS, const Double_t nSelB, const Double_t nTotS, const Double_t nTotB)
	Separation Gain: the measure of how the quality of separation of the sample increases by splitting the sample e.g.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
Static Public Member Functions inherited from TMVA::SeparationBase
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()

Additional Inherited Members
Protected Attributes inherited from TMVA::SeparationBase
TString	fName
Double_t	fPrecisionCut

#include <TMVA/CrossEntropy.h>

Inheritance diagram for TMVA::CrossEntropy:

Constructor & Destructor Documentation

CrossEntropy() [1/2]

TMVA::CrossEntropy::CrossEntropy ( )

inline

Definition at line 48 of file CrossEntropy.h.

CrossEntropy() [2/2]

TMVA::CrossEntropy::CrossEntropy ( const CrossEntropy & g )

inline

Definition at line 51 of file CrossEntropy.h.

~CrossEntropy()

virtual TMVA::CrossEntropy::~CrossEntropy ( )

inlinevirtual

Definition at line 54 of file CrossEntropy.h.

Member Function Documentation

Class()

static TClass * TMVA::CrossEntropy::Class ( )

static

Returns

TClass describing this class

Class_Name()

static const char * TMVA::CrossEntropy::Class_Name ( )

static

Returns

Name of this class

Class_Version()

static constexpr Version_t TMVA::CrossEntropy::Class_Version ( )

inlinestaticconstexpr

Returns

Version of this class

Definition at line 61 of file CrossEntropy.h.

DeclFileName()

static const char * TMVA::CrossEntropy::DeclFileName ( )

inlinestatic

Returns

Name of the file containing the class declaration

Definition at line 61 of file CrossEntropy.h.

GetSeparationIndex()

Double_t TMVA::CrossEntropy::GetSeparationIndex ( const Double_t s, const Double_t b )

virtual

Cross Entropy defined as:

       -p log (p) - (1-p)log(1-p);     p=purity = s/(s+b) 

Implements TMVA::SeparationBase.

Definition at line 47 of file CrossEntropy.cxx.

IsA()

virtual TClass * TMVA::CrossEntropy::IsA ( ) const

inlinevirtual

Returns

TClass describing current object

Reimplemented from TMVA::SeparationBase.

Definition at line 61 of file CrossEntropy.h.

Streamer()

virtual void TMVA::CrossEntropy::Streamer ( TBuffer & )

virtual

Reimplemented from TMVA::SeparationBase.

StreamerNVirtual()

void TMVA::CrossEntropy::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 61 of file CrossEntropy.h.

Libraries for TMVA::CrossEntropy:

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The documentation for this class was generated from the following files:

• tmva/tmva/inc/TMVA/CrossEntropy.h
• tmva/tmva/src/CrossEntropy.cxx