Result

Description

A structure to contain the result of each attempt. It gets cleared and filled again at each call of Step::GetSmoothFit().

#include <Step.h>

Collaboration diagram for Result:

Public Member Functions
size_t	degree () const
double	x2n () const
double	x2nErr () const
double	prob () const
double	chi2T () const
double	chi2V () const
double	x2nT () const
double	x2nV () const
template<typename POL >
TF1 *	GetTF1 (const char *name, POL pol, double m, double M) const

Public Attributes
const bool	valid
double	chi2
unsigned int	ndf
std::vector< double >	X
std::vector< double >	chi2sT
std::vector< double >	chi2sV

Member Function Documentation

chi2T()

double chi2T ( ) const

inline

{ return std::accumulate(std::begin(chi2sT), std::end(chi2sT), 0.) / chi2sT.size(); }

chi2V()

double chi2V ( ) const

inline

{ return std::accumulate(std::begin(chi2sV), std::end(chi2sV), 0.) / chi2sV.size(); }

degree()

size_t degree ( ) const

inline

degree of polynomial

GetTF1()

TF1* GetTF1 ( const char *  name, POL  pol, double  m, double  M  ) const

inline

                                                                        {
        pol.npars = X.size();
        auto f = new TF1(name, pol, m, M, pol.npars);
        f->SetParameters(X.data());
        f->SetTitle(Form("#chi^{2}_{%zu}/ndf = %.1f/%d", degree(), chi2, ndf));
        return f;
    }

prob()

double prob ( ) const

inline

chi2 fit probability

x2n()

double x2n ( ) const

inline

chi2/ndf

x2nErr()

double x2nErr ( ) const

inline

chi2/ndf error

x2nT()

double x2nT ( ) const

inline

{ return chi2T() /  ndf            ; }

x2nV()

double x2nV ( ) const

inline

{ return chi2V() / (ndf + X.size()); }

Member Data Documentation

chi2

double chi2

chi2

chi2sT

std::vector<double> chi2sT

chi2s from training replicas

chi2sV

std::vector<double> chi2sV

chi2s from validation replicas

ndf

unsigned int ndf

valid

const bool valid

output of ROOT::Math::Minimizer::Minimize()

X

std::vector<double> X

parameters from ROOT Minimizer

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The documentation for this struct was generated from the following file:

• interface/Step.h