TNeuralDataSet Class Reference

#include <TNeuralDataSet.h>

Collaboration diagram for TNeuralDataSet:

Public Member Functions
	TNeuralDataSet (Int_t aNumberOfPatterns=0, Int_t aNumberOfUnits=0)
virtual	~TNeuralDataSet (void)
	TNeuralDataSet (const TNeuralDataSet &)=delete
TNeuralDataSet &	operator= (const TNeuralDataSet &)=delete
Int_t	GetPatternsCount (void)
Int_t	GetUnitsCount (void)
Double_t	GetData (const Int_t aPattern, const Int_t aIndex)
void	SetData (const Int_t aPattern, const Int_t aIndex, Double_t aValue)
Double_t	GetEventWeight (const Int_t aPattern)
void	SetEventWeight (const Int_t aPattern, Double_t aValue)
void	Normalize (void)
void	Randomize (void)
void	Shuffle (Int_t aSeed=0)

Private Attributes
TMatrixD *	mpData
TVectorD *	mpWeights
TVectorD *	mpNormFactors
TVectorD *	mpShiftFactors

Detailed Description

Definition at line 25 of file TNeuralDataSet.h.

Constructor & Destructor Documentation

TNeuralDataSet() [1/2]

TNeuralDataSet::TNeuralDataSet	(	Int_t	aNumberOfPatterns = 0,
		Int_t	aNumberOfUnits = 0 )

~TNeuralDataSet()

TNeuralDataSet::~TNeuralDataSet ( void )

virtual

Definition at line 23 of file TNeuralDataSet.cxx.

{
  // Default destructor
  delete mpData;
  delete mpWeights;
  delete mpNormFactors;
  delete mpShiftFactors;
}

TNeuralDataSet() [2/2]

TNeuralDataSet::TNeuralDataSet ( const TNeuralDataSet & )

delete

Member Function Documentation

GetData()

Double_t TNeuralDataSet::GetData ( const Int_t aPattern, const Int_t aIndex )

inline

Definition at line 68 of file TNeuralDataSet.h.

{
  // Returns the value of cell in the set specified by Pattern number and Unit index
  return mpData->operator() ( aPattern, aIndex );
}

GetEventWeight()

Double_t TNeuralDataSet::GetEventWeight ( const Int_t aPattern )

inline

Definition at line 74 of file TNeuralDataSet.h.

{
  return mpWeights->operator() ( aPattern );
}

GetPatternsCount()

Int_t TNeuralDataSet::GetPatternsCount ( void )

inline

Definition at line 34 of file TNeuralDataSet.h.

{ return mpData->GetNrows(); };

GetUnitsCount()

Int_t TNeuralDataSet::GetUnitsCount ( void )

inline

Definition at line 36 of file TNeuralDataSet.h.

{ return mpData->GetNcols(); };

Normalize()

void TNeuralDataSet::Normalize

(

void

)

Definition at line 43 of file TNeuralDataSet.cxx.

{
  // Normalizes data
  Double_t fMin;
  Double_t fMax;
  Double_t tmp;
 
  for( UInt_t aUnitIndex = 0; aUnitIndex < this->GetUnitsCount(); aUnitIndex++ )
  {
    fMax = 0.0;
    fMin = 0.0; 
    for( UInt_t aPatternIndex = 0; aPatternIndex < this->GetPatternsCount(); aPatternIndex++ )
    {
    tmp = this->GetData( aPatternIndex, aUnitIndex );
    fMin = ( tmp < fMin )? tmp : fMin;
    fMax = ( tmp > fMax )? tmp : fMax;
    }
 
    for( UInt_t aPatternIndex = 0; aPatternIndex < this->GetPatternsCount(); aPatternIndex++ )
    {
      tmp = this->GetData( aPatternIndex, aUnitIndex );
      tmp = (tmp - fMin)/(fMax-fMin);
      this->SetData( aPatternIndex, aUnitIndex, tmp );
    }
 
    mpNormFactors->operator() (aUnitIndex) = 1./(fMax-fMin);
    mpShiftFactors->operator() (aUnitIndex) = -fMin/(fMax-fMin);
 
  }
}

operator=()

TNeuralDataSet & TNeuralDataSet::operator= ( const TNeuralDataSet & )

delete

Randomize()

void TNeuralDataSet::Randomize

(

void

)

Definition at line 74 of file TNeuralDataSet.cxx.

{
  // Randomizes the data
  TRandom3 r3;
  for( Int_t i = 0; i < this->GetPatternsCount(); i ++ )
    for( Int_t j = 0; j < this->GetUnitsCount(); j ++ ) 
    {
      this->SetData( i, j, r3.Gaus(0, 5) );  
    }
}

SetData()

void TNeuralDataSet::SetData	(	const Int_t	aPattern,
		const Int_t	aIndex,
		Double_t	aValue )

Definition at line 37 of file TNeuralDataSet.cxx.

{
  // Changes the value of cell in the set specified by Pattern number and Unit index
  mpData->operator() ( aPattern, aIndex ) = aValue;
}

SetEventWeight()

void TNeuralDataSet::SetEventWeight	(	const Int_t	aPattern,
		Double_t	aValue )

Definition at line 32 of file TNeuralDataSet.cxx.

{
  mpWeights->operator() ( aPattern ) = aValue;
}

Shuffle()

void TNeuralDataSet::Shuffle

(

Int_t

aSeed = 0

)

Definition at line 85 of file TNeuralDataSet.cxx.

{
  // Shuffles data
  TRandom3 Random( aSeed );
  Int_t j;
  Double_t tmp;
  Int_t a = this->GetPatternsCount() - 1;
  for ( Int_t i = 0; i < this->GetPatternsCount(); i++ )
  {
     j = ( Int_t ) ( Random.Rndm() * a );
     for( Int_t p = 0; p < this->GetUnitsCount(); p++ )
     {
    tmp = this->GetData( i, p );
    this->SetData( i, p, this->GetData( j, p ) );
    this->SetData( j, p, tmp );
     }
     tmp = this->GetEventWeight(i);
     this->SetEventWeight(i,this->GetEventWeight(j));
     this->SetEventWeight(j,tmp);
  }
}

Member Data Documentation

mpData

TMatrixD* TNeuralDataSet::mpData

private

Definition at line 55 of file TNeuralDataSet.h.

mpNormFactors

TVectorD* TNeuralDataSet::mpNormFactors

private

Definition at line 61 of file TNeuralDataSet.h.

mpShiftFactors

TVectorD* TNeuralDataSet::mpShiftFactors

private

Definition at line 62 of file TNeuralDataSet.h.

mpWeights

TVectorD* TNeuralDataSet::mpWeights

private

Definition at line 58 of file TNeuralDataSet.h.

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

• TNeuralDataSet.h
• TNeuralDataSet.cxx