JFIT::JMEstimatorNormalWithBackground Struct Reference

Normal M-estimator with background. More...

#include <JMEstimator.hh>

Inheritance diagram for JFIT::JMEstimatorNormalWithBackground:

Public Member Functions
	JMEstimatorNormalWithBackground (const double p)
	Constructor.
virtual double	getRho (const double z) const override
	Get maximum likelihood estimate.
virtual double	getPsi (const double z) const override
	Get derivative of maximum likelihood estimate.

Public Attributes
double	p

Detailed Description

Normal M-estimator with background.

Definition at line 155 of file JMEstimator.hh.

Constructor & Destructor Documentation

JMEstimatorNormalWithBackground()

JFIT::JMEstimatorNormalWithBackground::JMEstimatorNormalWithBackground ( const double p )

inline

Constructor.

Parameters

p	background probability

Definition at line 163 of file JMEstimator.hh.

                                                    :
      p(p)
    {}

Member Function Documentation

getRho()

virtual double JFIT::JMEstimatorNormalWithBackground::getRho ( const double z ) const

inlineoverridevirtual

Get maximum likelihood estimate.

Parameters

z

deviation

Returns

likelihood

Implements JFIT::JMEstimator.

Definition at line 167 of file JMEstimator.hh.

    { 
      const double w = exp(-0.5*z*z);
 
      return -log(w + p);
    }

getPsi()

virtual double JFIT::JMEstimatorNormalWithBackground::getPsi ( const double z ) const

inlineoverridevirtual

Get derivative of maximum likelihood estimate.

Parameters

z

deviation

Returns

derivative

Implements JFIT::JMEstimator.

Definition at line 174 of file JMEstimator.hh.

    {
      const double w = exp(-0.5*z*z);
 
      return z * w / (w + p);
    }

Member Data Documentation

p

double JFIT::JMEstimatorNormalWithBackground::p

Definition at line 181 of file JMEstimator.hh.

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

• JMEstimator.hh