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

Definition at line 46 of file FitConfig.h.

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

	FitConfig (const FitConfig &rhs)

	~FitConfig ()
	Destructor. More...

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

template<class T >
void	CreateParamsSettings (const ROOT::Math::IParamMultiFunctionTempl< T > &func)
	set the parameter settings from a model function. More...

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

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

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

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

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

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

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

FitConfig &	operator= (const FitConfig &rhs)

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

std::vector< double >	ParamsValues () const
	return a vector of stored parameter values (i.e initial fit parameters) More...

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...

void	SetFromFitResult (const FitResult &rhs)

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

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

void	SetMinosErrors (bool on=true)
	set Minos erros computation to be performed after fitting 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	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	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	SetUpdateAfterFit (bool on=true)
	Update configuration after a fit using the FitResult. More...

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

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

bool	UseWeightCorrection () const
	Apply Weight correction for error matrix computation. 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
ROOT::Math::MinimizerOptions	fMinimizerOpts

bool	fMinosErrors

std::vector< unsigned int >	fMinosParams

bool	fNormErrors

bool	fParabErrors

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

bool	fUpdateAfterFit

bool	fWeightCorr

#include <Fit/FitConfig.h>

Constructor & Destructor Documentation

◆ FitConfig() [1/2]

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

Default constructor.

Definition at line 41 of file FitConfig.cxx.

◆ FitConfig() [2/2]

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

Definition at line 58 of file FitConfig.cxx.

◆ ~FitConfig()

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

Destructor.

Definition at line 53 of file FitConfig.cxx.

Member Function Documentation

◆ CreateMinimizer()

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

create a new minimizer according to chosen configuration

Definition at line 174 of file FitConfig.cxx.

◆ CreateParamsSettings()

template<class T >

void ROOT::Fit::FitConfig::CreateParamsSettings ( const ROOT::Math::IParamMultiFunctionTempl< T > & func )

inline

set the parameter settings from a model function.

Create always new parameter setting list from a given model function

Definition at line 108 of file FitConfig.h.

◆ MinimizerAlgoType()

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

inline

return type of minimizer algorithms

Definition at line 193 of file FitConfig.h.

◆ MinimizerOptions()

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

inline

access to the minimizer control parameter (non const method)

Definition at line 166 of file FitConfig.h.

◆ MinimizerType()

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

inline

return type of minimizer package

Definition at line 188 of file FitConfig.h.

◆ MinosErrors()

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

inline

do minos errros analysis on the parameters

Definition at line 205 of file FitConfig.h.

◆ MinosParams()

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 215 of file FitConfig.h.

◆ NormalizeErrors()

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

inline

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

Definition at line 199 of file FitConfig.h.

◆ NPar()

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

inline

number of parameters settings

Definition at line 95 of file FitConfig.h.

◆ operator=()

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

Definition at line 63 of file FitConfig.cxx.

◆ ParabErrors()

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

inline

do analysis for parabolic errors

Definition at line 202 of file FitConfig.h.

◆ ParamsSettings() [1/2]

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

inline

get the vector of parameter settings (const method)

Definition at line 85 of file FitConfig.h.

◆ ParamsSettings() [2/2]

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

inline

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

Definition at line 90 of file FitConfig.h.

◆ ParamsValues()

std::vector< double > ROOT::Fit::FitConfig::ParamsValues ( ) const

return a vector of stored parameter values (i.e initial fit parameters)

Definition at line 241 of file FitConfig.cxx.

◆ ParSettings() [1/2]

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 75 of file FitConfig.h.

◆ ParSettings() [2/2]

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

inline

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

Definition at line 80 of file FitConfig.h.

◆ SetDefaultMinimizer()

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 231 of file FitConfig.cxx.

◆ SetFromFitResult()

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

Definition at line 81 of file FitConfig.cxx.

◆ SetMinimizer()

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

inline

set minimizer type

Definition at line 180 of file FitConfig.h.

◆ SetMinimizerOptions()

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

set all the minimizer options using class MinimizerOptions

Definition at line 236 of file FitConfig.cxx.

◆ SetMinosErrors() [1/2]

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

inline

set Minos erros computation to be performed after fitting

Definition at line 226 of file FitConfig.h.

◆ SetMinosErrors() [2/2]

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 234 of file FitConfig.h.

◆ SetNormErrors()

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 220 of file FitConfig.h.

◆ SetParabErrors()

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

inline

set parabolic erros

Definition at line 223 of file FitConfig.h.

◆ SetParamsSettings() [1/2]

void ROOT::Fit::FitConfig::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.

If there are not existing or number of parameters does not match existing one, create a new parameter setting list.

Definition at line 136 of file FitConfig.cxx.

◆ SetParamsSettings() [2/2]

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

inline

Definition at line 144 of file FitConfig.h.

◆ SetUpdateAfterFit()

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

inline

Update configuration after a fit using the FitResult.

Definition at line 240 of file FitConfig.h.

◆ SetWeightCorrection()

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

inline

apply the weight correction for error matric computation

Definition at line 229 of file FitConfig.h.

◆ UpdateAfterFit()

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

inline

Update configuration after a fit using the FitResult.

Definition at line 208 of file FitConfig.h.

◆ UseWeightCorrection()

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

inline

Apply Weight correction for error matrix computation.

Definition at line 211 of file FitConfig.h.

Member Data Documentation

◆ fMinimizerOpts

ROOT::Math::MinimizerOptions ROOT::Fit::FitConfig::fMinimizerOpts

private

Definition at line 265 of file FitConfig.h.

◆ fMinosErrors

bool ROOT::Fit::FitConfig::fMinosErrors

private

Definition at line 258 of file FitConfig.h.

◆ fMinosParams

std::vector<unsigned int> ROOT::Fit::FitConfig::fMinosParams

private

Definition at line 263 of file FitConfig.h.

◆ fNormErrors

bool ROOT::Fit::FitConfig::fNormErrors

private

Definition at line 256 of file FitConfig.h.

◆ fParabErrors

bool ROOT::Fit::FitConfig::fParabErrors

private

Definition at line 257 of file FitConfig.h.

◆ fSettings

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

private

Definition at line 262 of file FitConfig.h.

◆ fUpdateAfterFit

bool ROOT::Fit::FitConfig::fUpdateAfterFit

private

Definition at line 259 of file FitConfig.h.

◆ fWeightCorr

bool ROOT::Fit::FitConfig::fWeightCorr

private

Definition at line 260 of file FitConfig.h.

Libraries for ROOT::Fit::FitConfig:

[legend]

Public Member Functions

Static Public Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ FitConfig() [1/2]

◆ FitConfig() [2/2]

◆ ~FitConfig()

Member Function Documentation

◆ CreateMinimizer()

◆ CreateParamsSettings()

◆ MinimizerAlgoType()

◆ MinimizerOptions()

◆ MinimizerType()

◆ MinosErrors()

◆ MinosParams()

◆ NormalizeErrors()

◆ NPar()

◆ operator=()

◆ ParabErrors()

◆ ParamsSettings() [1/2]

◆ ParamsSettings() [2/2]

◆ ParamsValues()

◆ ParSettings() [1/2]

◆ ParSettings() [2/2]

◆ SetDefaultMinimizer()

◆ SetFromFitResult()

◆ SetMinimizer()

◆ SetMinimizerOptions()

◆ SetMinosErrors() [1/2]

◆ SetMinosErrors() [2/2]

◆ SetNormErrors()

◆ SetParabErrors()

◆ SetParamsSettings() [1/2]

◆ SetParamsSettings() [2/2]

◆ SetUpdateAfterFit()

◆ SetWeightCorrection()

◆ UpdateAfterFit()

◆ UseWeightCorrection()

Member Data Documentation

◆ fMinimizerOpts

◆ fMinosErrors

◆ fMinosParams

◆ fNormErrors

◆ fParabErrors

◆ fSettings

◆ fUpdateAfterFit

◆ fWeightCorr