FitUtil.h File Reference

#include "Math/IParamFunctionfwd.h"
#include "Fit/DataVectorfwd.h"

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Namespaces
	ROOT
	Namespace for new ROOT classes and functions.
	ROOT::Fit
	Namespace for the fitting classes.
	ROOT::Fit::FitUtil
	namespace defining utility free functions using in Fit for evaluating the various fit method functions (chi2, likelihood, etc..) given the data and the model function

Typedefs
typedef ROOT::Math::IParamMultiFunction	ROOT::Fit::FitUtil::IModelFunction
typedef ROOT::Math::IParamMultiGradFunction	ROOT::Fit::FitUtil::IGradModelFunction

Functions
double	ROOT::Fit::FitUtil::EvaluateChi2 (const IModelFunction &func, const BinData &data, const double *x, unsigned int &nPoints)
	Chi2 Functions. More...
double	ROOT::Fit::FitUtil::EvaluateChi2Effective (const IModelFunction &func, const BinData &data, const double *x, unsigned int &nPoints)
	evaluate the effective Chi2 given a model function and the data at the point x. More...
void	ROOT::Fit::FitUtil::EvaluateChi2Gradient (const IModelFunction &func, const BinData &data, const double *x, double *grad, unsigned int &nPoints)
	evaluate the Chi2 gradient given a model function and the data at the point x. More...
double	ROOT::Fit::FitUtil::EvaluateLogL (const IModelFunction &func, const UnBinData &data, const double *x, int iWeight, bool extended, unsigned int &nPoints)
	evaluate the LogL given a model function and the data at the point x. More...
void	ROOT::Fit::FitUtil::EvaluateLogLGradient (const IModelFunction &func, const UnBinData &data, const double *x, double *grad, unsigned int &nPoints)
	evaluate the LogL gradient given a model function and the data at the point x. More...
double	ROOT::Fit::FitUtil::EvaluatePoissonLogL (const IModelFunction &func, const BinData &data, const double *x, int iWeight, bool extended, unsigned int &nPoints)
	evaluate the Poisson LogL given a model function and the data at the point x. More...
void	ROOT::Fit::FitUtil::EvaluatePoissonLogLGradient (const IModelFunction &func, const BinData &data, const double *x, double *grad)
	evaluate the Poisson LogL given a model function and the data at the point x. More...
double	ROOT::Fit::FitUtil::EvaluateChi2Residual (const IModelFunction &func, const BinData &data, const double *x, unsigned int ipoint, double *g=0)
	Parallel evaluate the Chi2 given a model function and the data at the point x. More...
double	ROOT::Fit::FitUtil::EvaluatePdf (const IModelFunction &func, const UnBinData &data, const double *x, unsigned int ipoint, double *g=0)
	evaluate the pdf contribution to the LogL given a model function and the BinPoint data. More...
double	ROOT::Fit::FitUtil::EvaluatePoissonBinPdf (const IModelFunction &func, const BinData &data, const double *x, unsigned int ipoint, double *g=0)
	evaluate the pdf contribution to the Poisson LogL given a model function and the BinPoint data. More...