Class describing the configuration of the fit, options and parameter settings using the ROOT::Fit::ParameterSettings class.

Definition at line 51 of file FitConfig.h.

Public Member Functions
	FitConfig (unsigned int npar=0)
	Default constructor. More...

	FitConfig (const FitConfig &rhs)

	~FitConfig ()
	Destructor. More...

FitConfig &	operator= (const FitConfig &rhs)

const ParameterSettings &	ParSettings (unsigned int i) const
	get the parameter settings for the i-th parameter (const method) More...

ParameterSettings &	ParSettings (unsigned int i)
	get the parameter settings for the i-th parameter (non-const method) More...

const std::vector< ROOT::Fit::ParameterSettings > &	ParamsSettings () const
	get the vector of parameter settings (const method) More...

std::vector< ROOT::Fit::ParameterSettings > &	ParamsSettings ()
	get the vector of parameter settings (non-const method) More...

unsigned int	NPar () const
	number of parameters settings More...

void	CreateParamsSettings (const ROOT::Math::IParamMultiFunction &func)
	set the parameter settings from a model function. More...

void	SetParamsSettings (unsigned int npar, const double params, const double vstep=0)
	set the parameter settings from number of parameters and a vector of values and optionally step values. More...

void	SetParamsSettings (const std::vector< ROOT::Fit::ParameterSettings > &pars)

void	SetFromFitResult (const FitResult &rhs)

ROOT::Math::Minimizer *	CreateMinimizer ()
	create a new minimizer according to chosen configuration More...

ROOT::Math::MinimizerOptions &	MinimizerOptions ()
	access to the minimizer control parameter (non const method) More...

void	SetMinimizerOptions (const ROOT::Math::MinimizerOptions &minopt)
	set all the minimizer options using class MinimizerOptions More...

void	SetMinimizer (const char type, const char algo=0)
	set minimizer type More...

const std::string &	MinimizerType () const
	return type of minimizer package More...

const std::string &	MinimizerAlgoType () const
	return type of minimizer algorithms More...

bool	NormalizeErrors () const
	flag to check if resulting errors are be normalized according to chi2/ndf More...

bool	ParabErrors () const
	do analysis for parabolic errors More...

bool	MinosErrors () const
	do minos errros analysis on the parameters More...

bool	UpdateAfterFit () const
	Update configuration after a fit using the FitResult. More...

bool	UseWeightCorrection () const
	Apply Weight correction for error matrix computation. More...

const std::vector< unsigned int > &	MinosParams () const
	return vector of parameter indeces for which the Minos Error will be computed More...

void	SetNormErrors (bool on=true)
	set the option to normalize the error on the result according to chi2/ndf More...

void	SetParabErrors (bool on=true)
	set parabolic erros More...

void	SetMinosErrors (bool on=true)
	set Minos erros computation to be performed after fitting More...

void	SetWeightCorrection (bool on=true)
	apply the weight correction for error matric computation More...

void	SetMinosErrors (const std::vector< unsigned int > &paramInd)
	set parameter indeces for running Minos this can be used for running Minos on a subset of parameters - otherwise is run on all of them if MinosErrors() is set More...

void	SetUpdateAfterFit (bool on=true)
	Update configuration after a fit using the FitResult. More...

Static Public Member Functions
static void	SetDefaultMinimizer (const char type, const char algo=0)
	static function to control default minimizer type and algorithm More...

Private Attributes
bool	fNormErrors

bool	fParabErrors

bool	fMinosErrors

bool	fUpdateAfterFit

bool	fWeightCorr

std::vector< ROOT::Fit::ParameterSettings >	fSettings

std::vector< unsigned int >	fMinosParams

ROOT::Math::MinimizerOptions	fMinimizerOpts

#include <Fit/FitConfig.h>

Collaboration diagram for ROOT::Fit::FitConfig:

Constructor & Destructor Documentation

ROOT::Fit::FitConfig::FitConfig ( unsigned int npar = 0 )

Default constructor.

Definition at line 41 of file FitConfig.cxx.

ROOT::Fit::FitConfig::FitConfig ( const FitConfig & rhs )

Definition at line 58 of file FitConfig.cxx.

ROOT::Fit::FitConfig::~FitConfig ( )

Destructor.

Definition at line 53 of file FitConfig.cxx.

Member Function Documentation

ROOT::Math::Minimizer * ROOT::Fit::FitConfig::CreateMinimizer ( )

create a new minimizer according to chosen configuration

Definition at line 203 of file FitConfig.cxx.

Referenced by ROOT::Fit::Fitter::DoInitMinimizer().

void ROOT::Fit::FitConfig::CreateParamsSettings ( const ROOT::Math::IParamMultiFunction & func )

set the parameter settings from a model function.

Create always new parameter setting list from a given model function

Definition at line 174 of file FitConfig.cxx.

Referenced by ROOT::Fit::Fitter::SetFunction().

const std::string& ROOT::Fit::FitConfig::MinimizerAlgoType ( ) const

inline

return type of minimizer algorithms

Definition at line 165 of file FitConfig.h.

Referenced by ROOT::Fit::FitResult::FillResult(), and ROOT::Fit::FitResult::FitResult().

ROOT::Math::MinimizerOptions& ROOT::Fit::FitConfig::MinimizerOptions ( )

inline

access to the minimizer control parameter (non const method)

Definition at line 138 of file FitConfig.h.

Referenced by DoBinFit(), ROOT::Fit::Fitter::DoBinnedLikelihoodFit(), DoFit(), ROOT::Fit::Fitter::DoLeastSquareFit(), DoUnBinFit(), DoUnBinFitVec(), ROOT::Fit::Fitter::DoUnbinnedLikelihoodFit(), TFractionFitter::ErrorAnalysis(), TBinomialEfficiencyFitter::Fit(), HFit::Fit(), testUnBin1DFit(), TFractionFitter::TFractionFitter(), and ROOT::Fit::UnBinFit().

const std::string& ROOT::Fit::FitConfig::MinimizerType ( ) const

inline

return type of minimizer package

Definition at line 160 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::CalculateHessErrors(), ROOT::Fit::Fitter::DoLinearFit(), ROOT::Fit::FitResult::FillResult(), HFit::Fit(), and ROOT::Fit::FitResult::FitResult().

bool ROOT::Fit::FitConfig::MinosErrors ( ) const

inline

do minos errros analysis on the parameters

Definition at line 177 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::DoBinnedLikelihoodFit(), ROOT::Fit::Fitter::DoUnbinnedLikelihoodFit(), and ROOT::Fit::FitResult::FillResult().

const std::vector<unsigned int>& ROOT::Fit::FitConfig::MinosParams ( ) const

inline

return vector of parameter indeces for which the Minos Error will be computed

Definition at line 187 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::CalculateMinosErrors(), and ROOT::Fit::FitResult::FillResult().

bool ROOT::Fit::FitConfig::NormalizeErrors ( ) const

inline

flag to check if resulting errors are be normalized according to chi2/ndf

Definition at line 171 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::DoMinimization(), and HFit::Fit().

unsigned int ROOT::Fit::FitConfig::NPar ( ) const

inline

number of parameters settings

Definition at line 100 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::DoUpdateFitConfig(), and ROOT::Fit::FitResult::FitResult().

FitConfig & ROOT::Fit::FitConfig::operator= ( const FitConfig & rhs )

Definition at line 63 of file FitConfig.cxx.

bool ROOT::Fit::FitConfig::ParabErrors ( ) const

inline

do analysis for parabolic errors

Definition at line 174 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::DoInitMinimizer().

const std::vector<ROOT::Fit::ParameterSettings>& ROOT::Fit::FitConfig::ParamsSettings ( ) const

inline

get the vector of parameter settings (const method)

Definition at line 90 of file FitConfig.h.

Referenced by TFractionFitter::Constrain(), ROOT::Fit::Fitter::DoInitMinimizer(), ROOT::Fit::Fitter::DoLeastSquareFit(), ROOT::Fit::Fitter::DoUnbinnedLikelihoodFit(), TBinomialEfficiencyFitter::Fit(), ROOT::Fit::Fitter::SetFCN(), and TFractionFitter::TFractionFitter().

std::vector<ROOT::Fit::ParameterSettings>& ROOT::Fit::FitConfig::ParamsSettings ( )

inline

get the vector of parameter settings (non-const method)

Definition at line 95 of file FitConfig.h.

const ParameterSettings& ROOT::Fit::FitConfig::ParSettings ( unsigned int i ) const

inline

get the parameter settings for the i-th parameter (const method)

Definition at line 80 of file FitConfig.h.

Referenced by TFractionFitter::Constrain(), DoUnBinFit(), ROOT::Fit::Fitter::DoUpdateFitConfig(), ROOT::Fit::FitResult::FillResult(), HFit::Fit(), ROOT::Fit::FitResult::FitResult(), testHisto2DFit(), testUnBin1DFit(), ROOT::Fit::UnBinFit(), and TFractionFitter::UnConstrain().

ParameterSettings& ROOT::Fit::FitConfig::ParSettings ( unsigned int i )

inline

get the parameter settings for the i-th parameter (non-const method)

Definition at line 85 of file FitConfig.h.

void ROOT::Fit::FitConfig::SetDefaultMinimizer	(	const char *	type,
		const char *	algo = `0`
	)

static

static function to control default minimizer type and algorithm

Definition at line 260 of file FitConfig.cxx.

void ROOT::Fit::FitConfig::SetFromFitResult ( const FitResult & rhs )

Definition at line 81 of file FitConfig.cxx.

void ROOT::Fit::FitConfig::SetMinimizer	(	const char *	type,
		const char *	algo = `0`
	)

inline

set minimizer type

Definition at line 152 of file FitConfig.h.

Referenced by CreateMinimizer(), DoBinFit(), DoFit(), ROOT::Fit::Fitter::DoLinearFit(), DoUnBinFit(), DoUnBinFitVec(), HFit::Fit(), fit2DHist(), fit3DHist(), SetFromFitResult(), testHisto1DFit(), testHisto1DPolFit(), testHisto2DFit(), testUnBin1DFit(), and ROOT::Fit::UnBinFit().

void ROOT::Fit::FitConfig::SetMinimizerOptions ( const ROOT::Math::MinimizerOptions & minopt )

set all the minimizer options using class MinimizerOptions

Definition at line 265 of file FitConfig.cxx.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().

void ROOT::Fit::FitConfig::SetMinosErrors ( bool on = true )

inline

set Minos erros computation to be performed after fitting

Definition at line 198 of file FitConfig.h.

Referenced by ROOT::Fit::Fitter::CalculateMinosErrors(), ROOT::Fit::Fitter::DoBinnedLikelihoodFit(), ROOT::Fit::Fitter::DoUnbinnedLikelihoodFit(), HFit::Fit(), and ROOT::Fit::UnBinFit().

void ROOT::Fit::FitConfig::SetMinosErrors ( const std::vector< unsigned int > & paramInd )

inline

set parameter indeces for running Minos this can be used for running Minos on a subset of parameters - otherwise is run on all of them if MinosErrors() is set

Definition at line 206 of file FitConfig.h.

void ROOT::Fit::FitConfig::SetNormErrors ( bool on = true )

inline

set the option to normalize the error on the result according to chi2/ndf

Definition at line 192 of file FitConfig.h.

Referenced by HFit::Fit(), SetFromFitResult(), and testHisto1DFit().

void ROOT::Fit::FitConfig::SetParabErrors ( bool on = true )

inline

set parabolic erros

Definition at line 195 of file FitConfig.h.

Referenced by HFit::Fit(), and ROOT::Fit::UnBinFit().