JROOT::m_value Struct Reference

Data point for value with error. More...

#include <JRootfit.hh>

Public Types
typedef std::shared_ptr< JMEstimator >	estimator_type

Public Member Functions
	m_value ()
	Default constructor.
	m_value (const double value, const double error)
	Constructor.
double	getRho (const double z) const
	Get chi2.
double	getPsi (const double z) const
	Get derivative of chi2.

Static Public Member Functions
static const estimator_type &	getMEstimator ()
	Get M-estimator.
static const void	setMEstimator (int type)
	Set M-estimator.

Public Attributes
double	value
	value
double	error
	error

Static Private Member Functions
static estimator_type &	get_mestimator ()
	Get M-estimator.

Detailed Description

Data point for value with error.

Definition at line 189 of file JRootfit.hh.

Member Typedef Documentation

estimator_type

std::shared_ptr<JMEstimator> JROOT::m_value::estimator_type

Definition at line 191 of file JRootfit.hh.

Constructor & Destructor Documentation

m_value() [1/2]

JROOT::m_value::m_value ( )

inline

Default constructor.

Definition at line 196 of file JRootfit.hh.

              :
      value(0.0),
      error(0.0)
    {}

m_value() [2/2]

JROOT::m_value::m_value ( const double value, const double error )

inline

Constructor.

Parameters

value	value
error	error

Definition at line 208 of file JRootfit.hh.

                                :
      value(value),
      error (error)
    {}

Member Function Documentation

getRho()

double JROOT::m_value::getRho ( const double z ) const

inline

Get chi2.

Parameters

z	expectation value

Returns

chi2

Definition at line 221 of file JRootfit.hh.

    {
      const double u = (z - value) / error;
 
      return getMEstimator()->getRho(u) / getMEstimator()->getRho(1.0);
    }

getPsi()

double JROOT::m_value::getPsi ( const double z ) const

inline

Get derivative of chi2.

Parameters

z	expectation value

Returns

derivative of chi2

Definition at line 235 of file JRootfit.hh.

    {
      const double u = (z - value) / error;
 
      return getMEstimator()->getPsi(u) * getMEstimator()->getRho(1.0);
    }

getMEstimator()

static const estimator_type & JROOT::m_value::getMEstimator ( )

inlinestatic

Get M-estimator.

Returns

M-estimator

Definition at line 252 of file JRootfit.hh.

    {
      return get_mestimator();
    }

setMEstimator()

static const void JROOT::m_value::setMEstimator ( int type )

inlinestatic

Set M-estimator.

Parameters

type	M-estimator type

Definition at line 263 of file JRootfit.hh.

    {
      get_mestimator().reset(JFIT::getMEstimator(type));
    }

get_mestimator()

static estimator_type & JROOT::m_value::get_mestimator ( )

inlinestaticprivate

Get M-estimator.

Returns

M-estimator

Definition at line 274 of file JRootfit.hh.

    {
      static estimator_type estimator(new JFIT::JMEstimatorNormal());
 
      return estimator;
    }

Member Data Documentation

value

double JROOT::m_value::value

value

Definition at line 243 of file JRootfit.hh.

error

double JROOT::m_value::error

error

Definition at line 244 of file JRootfit.hh.

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

• JRootfit.hh