Class that describes the unbinned kernel density. More...

#include <KernelDensity.hh>

Inheritance diagram for KernelDensity:

Public Member Functions
	KernelDensity (const char pdfName, AbsPhaseSpace thePhaseSpace, std::vector< Double_t > &width, UInt_t approxSize, AbsDensity *approxDensity=0)

	KernelDensity (const char pdfName, AbsPhaseSpace thePhaseSpace, UInt_t approxSize, Double_t width1, Double_t width2=0, Double_t width3=0, Double_t width4=0, Double_t width5=0)

	KernelDensity (const char pdfName, AbsPhaseSpace thePhaseSpace, UInt_t approxSize, AbsDensity *approxDensity, Double_t width1, Double_t width2=0, Double_t width3=0, Double_t width4=0, Double_t width5=0)

virtual	~KernelDensity ()

void	setWidth (std::vector< Double_t > &width)
	Set kernel width. More...

Bool_t	generateApproximation (UInt_t approxSize)
	Create normalisation vector. More...

Bool_t	readTuple (TTree *tree, std::vector< TString > &vars, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, const char *var2, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, const char var2, const char var3, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, const char var2, const char var3, const char *var4, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, const char var2, const char var3, const char var4, const char var5, UInt_t maxEvents=0)

Bool_t	readTuple (TTree tree, const char var1, const char var2, const char var3, const char var4, const char var5, const char *var6, UInt_t maxEvents=0)

Double_t	density (std::vector< Double_t > &x)
	Calculate PDF value at the given point. More...

AbsPhaseSpace *	phaseSpace ()
	Return phase space definition for this PDF. More...

Public Member Functions inherited from AbsDensity
	AbsDensity (const char *pdfName)
	Constructor. More...

virtual	~AbsDensity ()
	Destructor. More...

void	slice (std::vector< Double_t > &x, UInt_t num, TH1F *hist)
	Calculate 1D slice of the PDF. More...

void	slice (std::vector< Double_t > &x, UInt_t numx, UInt_t numy, TH2F *hist, Bool_t inPhaseSpace=true)
	Calculate 2D slice of the PDF. More...

double	transform (TH1F hist1, TH1F hist2, double x)

void	project (TH1F *hist)
	Calculate projection of the 1D PDF. More...

void	project (TH2F *hist, Bool_t inPhaseSpace=true)
	Calculate projection of the 2D PDF. More...

void	setMajorant (Double_t majorant)
	Set majorant for accept-reject method. More...

void	setMaxTries (UInt_t maxTries)
	Set maximum number of tries for accept-reject method. More...

Double_t	generate (std::vector< Double_t > &x)
	Generate a single point within the phase space according to the PDF using accept-reject method. More...

void	generate (TNtuple *tree, UInt_t numEvents)
	Generate a sample of points within the phase space according to the PDF using accept-reject method. More...

const char *	name (void)
	Return the name of the PDF. More...

void	setSeed (UInt_t seed=0)
	Set random seed. More...

Private Member Functions
UInt_t	numCells (void)

Int_t	cellIndex (std::vector< Double_t > &x)

Double_t	rawDensity (std::vector< Double_t > &x, std::vector< TCell > &vector)

Private Attributes
AbsPhaseSpace *	m_phaseSpace

AbsDensity *	m_approxDensity

TPhspVector	m_width

std::vector< TCell >	m_apprVector

std::vector< TCell >	m_dataVector

Additional Inherited Members
Protected Attributes inherited from AbsDensity
char	m_name [256]
	PDF name. More...

Double_t	m_majorant
	PDF majorant (maximum PDF value needed for accept-reject). More...

UInt_t	m_maxTries
	Maximum number of tries for accept-reject method. More...

TRandom3	m_rnd
	Random number generator. More...

Detailed Description

Class that describes the unbinned kernel density.

Definition at line 19 of file KernelDensity.hh.

Constructor & Destructor Documentation

KernelDensity::KernelDensity	(	const char *	pdfName,
		AbsPhaseSpace *	thePhaseSpace,
		std::vector< Double_t > &	width,
		UInt_t	approxSize,
		AbsDensity *	approxDensity = `0`
	)

Definition at line 82 of file KernelDensity.cpp.

KernelDensity::KernelDensity	(	const char *	pdfName,
		AbsPhaseSpace *	thePhaseSpace,
		UInt_t	approxSize,
		Double_t	width1,
		Double_t	width2 = `0`,
		Double_t	width3 = `0`,
		Double_t	width4 = `0`,
		Double_t	width5 = `0`
	)

Definition at line 14 of file KernelDensity.cpp.

KernelDensity::KernelDensity	(	const char *	pdfName,
		AbsPhaseSpace *	thePhaseSpace,
		UInt_t	approxSize,
		AbsDensity *	approxDensity,
		Double_t	width1,
		Double_t	width2 = `0`,
		Double_t	width3 = `0`,
		Double_t	width4 = `0`,
		Double_t	width5 = `0`
	)

Definition at line 45 of file KernelDensity.cpp.

KernelDensity::~KernelDensity ( )

virtual

Definition at line 107 of file KernelDensity.cpp.

Member Function Documentation

Int_t KernelDensity::cellIndex ( std::vector< Double_t > & x )

private

Definition at line 298 of file KernelDensity.cpp.

Double_t KernelDensity::density ( std::vector< Double_t > & x )

virtual

Calculate PDF value at the given point.

Parameters

[in] x the point at which to calculate the PDF

Returns: PDF value

Implements AbsDensity.

Definition at line 485 of file KernelDensity.cpp.

Bool_t KernelDensity::generateApproximation ( UInt_t approxSize )

Create normalisation vector.

Definition at line 129 of file KernelDensity.cpp.

UInt_t KernelDensity::numCells ( void )

private

Definition at line 281 of file KernelDensity.cpp.

AbsPhaseSpace* KernelDensity::phaseSpace ( )

inlinevirtual

Return phase space definition for this PDF.

Returns: PDF phase space

Implements AbsDensity.

Definition at line 76 of file KernelDensity.hh.

Double_t KernelDensity::rawDensity	(	std::vector< Double_t > &	x,
		std::vector< TCell > &	vector
	)

private

Definition at line 411 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		std::vector< TString > &	vars,
		UInt_t	maxEvents = `0`
	)

Definition at line 338 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		UInt_t	maxEvents = `0`
	)

Definition at line 270 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		const char *	var2,
		UInt_t	maxEvents = `0`
	)

Definition at line 257 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		const char *	var2,
		const char *	var3,
		UInt_t	maxEvents = `0`
	)

Definition at line 243 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		const char *	var2,
		const char *	var3,
		const char *	var4,
		UInt_t	maxEvents = `0`
	)

Definition at line 227 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		const char *	var2,
		const char *	var3,
		const char *	var4,
		const char *	var5,
		UInt_t	maxEvents = `0`
	)

Definition at line 210 of file KernelDensity.cpp.

Bool_t KernelDensity::readTuple	(	TTree *	tree,
		const char *	var1,
		const char *	var2,
		const char *	var3,
		const char *	var4,
		const char *	var5,
		const char *	var6,
		UInt_t	maxEvents = `0`
	)

Definition at line 192 of file KernelDensity.cpp.

void KernelDensity::setWidth ( std::vector< Double_t > & width )

Set kernel width.

Definition at line 112 of file KernelDensity.cpp.

Member Data Documentation

AbsDensity* KernelDensity::m_approxDensity

private

Definition at line 88 of file KernelDensity.hh.

std::vector<TCell> KernelDensity::m_apprVector

private

Definition at line 92 of file KernelDensity.hh.

std::vector<TCell> KernelDensity::m_dataVector

private

Definition at line 94 of file KernelDensity.hh.

AbsPhaseSpace* KernelDensity::m_phaseSpace

private

Definition at line 86 of file KernelDensity.hh.

TPhspVector KernelDensity::m_width

private

Definition at line 90 of file KernelDensity.hh.

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

inc/KernelDensity.hh
src/KernelDensity.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation