Class describing the configuration of the fit, options and parameter settings using the ROOT::Fit::ParameterSettings class.
Definition at line 47 of file FitConfig.h.
Public Member Functions | |
FitConfig (const FitConfig &rhs) | |
FitConfig (unsigned int npar=0) | |
Default constructor. | |
~FitConfig () | |
Destructor. | |
ROOT::Math::Minimizer * | CreateMinimizer () |
create a new minimizer according to chosen configuration | |
template<class T > | |
void | CreateParamsSettings (const ROOT::Math::IParamMultiFunctionTempl< T > &func) |
set the parameter settings from a model function. | |
const std::string & | MinimizerAlgoType () const |
return type of minimizer algorithms | |
std::string | MinimizerName () const |
return Minimizer full name (type / algorithm) | |
ROOT::Math::MinimizerOptions & | MinimizerOptions () |
access to the minimizer control parameter (non const method) | |
const std::string & | MinimizerType () const |
return type of minimizer package | |
bool | MinosErrors () const |
do minos errors analysis on the parameters | |
const std::vector< unsigned int > & | MinosParams () const |
return vector of parameter indices for which the Minos Error will be computed | |
bool | NormalizeErrors () const |
flag to check if resulting errors are be normalized according to chi2/ndf | |
unsigned int | NPar () const |
number of parameters settings | |
FitConfig & | operator= (const FitConfig &rhs) |
bool | ParabErrors () const |
do analysis for parabolic errors | |
std::vector< ROOT::Fit::ParameterSettings > & | ParamsSettings () |
get the vector of parameter settings (non-const method) | |
const std::vector< ROOT::Fit::ParameterSettings > & | ParamsSettings () const |
get the vector of parameter settings (const method) | |
std::vector< double > | ParamsValues () const |
return a vector of stored parameter values (i.e initial fit parameters) | |
ParameterSettings & | ParSettings (unsigned int i) |
get the parameter settings for the i-th parameter (non-const method) | |
const ParameterSettings & | ParSettings (unsigned int i) const |
get the parameter settings for the i-th parameter (const method) | |
void | SetFromFitResult (const FitResult &rhs) |
void | SetMinimizer (const char *type, const char *algo=nullptr) |
set minimizer type | |
void | SetMinimizerOptions (const ROOT::Math::MinimizerOptions &minopt) |
set all the minimizer options using class MinimizerOptions | |
void | SetMinosErrors (bool on=true) |
set Minos errors computation to be performed after fitting | |
void | SetMinosErrors (const std::vector< unsigned int > ¶mInd) |
set parameter indices 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 | |
void | SetNormErrors (bool on=true) |
set the option to normalize the error on the result according to chi2/ndf | |
void | SetParabErrors (bool on=true) |
set parabolic errors | |
void | SetParamsSettings (const std::vector< ROOT::Fit::ParameterSettings > &pars) |
void | SetParamsSettings (unsigned int npar, const double *params, const double *vstep=nullptr) |
set the parameter settings from number of parameters and a vector of values and optionally step values. | |
void | SetUpdateAfterFit (bool on=true) |
Update configuration after a fit using the FitResult. | |
void | SetWeightCorrection (bool on=true) |
apply the weight correction for error matrix computation | |
bool | UpdateAfterFit () const |
Update configuration after a fit using the FitResult. | |
bool | UseWeightCorrection () const |
Apply Weight correction for error matrix computation. | |
Static Public Member Functions | |
static void | SetDefaultMinimizer (const char *type, const char *algo=nullptr) |
static function to control default minimizer type and algorithm | |
Private Attributes | |
ROOT::Math::MinimizerOptions | fMinimizerOpts |
minimizer control parameters including name and algo type | |
bool | fMinosErrors |
do full error analysis using Minos | |
std::vector< unsigned int > | fMinosParams |
vector with the parameter indices for running Minos | |
bool | fNormErrors |
flag for error normalization | |
bool | fParabErrors |
get correct parabolic errors estimate (call Hesse after minimizing) | |
std::vector< ROOT::Fit::ParameterSettings > | fSettings |
vector with the parameter settings | |
bool | fUpdateAfterFit |
update the configuration after a fit using the result | |
bool | fWeightCorr |
apply correction to errors for weights fits | |
#include <Fit/FitConfig.h>
ROOT::Fit::FitConfig::FitConfig | ( | unsigned int | npar = 0 | ) |
Default constructor.
Definition at line 40 of file FitConfig.cxx.
Definition at line 57 of file FitConfig.cxx.
ROOT::Fit::FitConfig::~FitConfig | ( | ) |
Destructor.
Definition at line 52 of file FitConfig.cxx.
ROOT::Math::Minimizer * ROOT::Fit::FitConfig::CreateMinimizer | ( | ) |
create a new minimizer according to chosen configuration
Definition at line 173 of file FitConfig.cxx.
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set the parameter settings from a model function.
Create always new parameter setting list from a given model function
Definition at line 109 of file FitConfig.h.
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return type of minimizer algorithms
Definition at line 192 of file FitConfig.h.
std::string ROOT::Fit::FitConfig::MinimizerName | ( | ) | const |
return Minimizer full name (type / algorithm)
Definition at line 239 of file FitConfig.cxx.
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access to the minimizer control parameter (non const method)
Definition at line 167 of file FitConfig.h.
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return type of minimizer package
Definition at line 187 of file FitConfig.h.
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do minos errors analysis on the parameters
Definition at line 208 of file FitConfig.h.
return vector of parameter indices for which the Minos Error will be computed
Definition at line 218 of file FitConfig.h.
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flag to check if resulting errors are be normalized according to chi2/ndf
Definition at line 202 of file FitConfig.h.
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number of parameters settings
Definition at line 96 of file FitConfig.h.
Definition at line 62 of file FitConfig.cxx.
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do analysis for parabolic errors
Definition at line 205 of file FitConfig.h.
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get the vector of parameter settings (non-const method)
Definition at line 91 of file FitConfig.h.
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get the vector of parameter settings (const method)
Definition at line 86 of file FitConfig.h.
std::vector< double > ROOT::Fit::FitConfig::ParamsValues | ( | ) | const |
return a vector of stored parameter values (i.e initial fit parameters)
Definition at line 262 of file FitConfig.cxx.
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get the parameter settings for the i-th parameter (non-const method)
Definition at line 81 of file FitConfig.h.
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inline |
get the parameter settings for the i-th parameter (const method)
Definition at line 76 of file FitConfig.h.
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static function to control default minimizer type and algorithm
Definition at line 252 of file FitConfig.cxx.
Definition at line 80 of file FitConfig.cxx.
set minimizer type
Definition at line 179 of file FitConfig.h.
void ROOT::Fit::FitConfig::SetMinimizerOptions | ( | const ROOT::Math::MinimizerOptions & | minopt | ) |
set all the minimizer options using class MinimizerOptions
Definition at line 257 of file FitConfig.cxx.
set Minos errors computation to be performed after fitting
Definition at line 229 of file FitConfig.h.
set parameter indices 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 237 of file FitConfig.h.
set the option to normalize the error on the result according to chi2/ndf
Definition at line 223 of file FitConfig.h.
set parabolic errors
Definition at line 226 of file FitConfig.h.
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inline |
Definition at line 145 of file FitConfig.h.
void ROOT::Fit::FitConfig::SetParamsSettings | ( | unsigned int | npar, |
const double * | params, | ||
const double * | vstep = nullptr ) |
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 135 of file FitConfig.cxx.
Update configuration after a fit using the FitResult.
Definition at line 243 of file FitConfig.h.
apply the weight correction for error matrix computation
Definition at line 232 of file FitConfig.h.
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Update configuration after a fit using the FitResult.
Definition at line 211 of file FitConfig.h.
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inline |
Apply Weight correction for error matrix computation.
Definition at line 214 of file FitConfig.h.
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minimizer control parameters including name and algo type
Definition at line 268 of file FitConfig.h.
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private |
do full error analysis using Minos
Definition at line 261 of file FitConfig.h.
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private |
vector with the parameter indices for running Minos
Definition at line 266 of file FitConfig.h.
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private |
flag for error normalization
Definition at line 259 of file FitConfig.h.
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private |
get correct parabolic errors estimate (call Hesse after minimizing)
Definition at line 260 of file FitConfig.h.
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private |
vector with the parameter settings
Definition at line 265 of file FitConfig.h.
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private |
update the configuration after a fit using the result
Definition at line 262 of file FitConfig.h.
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private |
apply correction to errors for weights fits
Definition at line 263 of file FitConfig.h.