xgboost::common::LogisticDist Class Reference

The (standard) logistic distribution. More...

#include <probability_distribution.h>

Inheritance diagram for xgboost::common::LogisticDist:

Collaboration diagram for xgboost::common::LogisticDist:

Public Member Functions
double	PDF (double z) override
	Evaluate Probability Density Function (PDF) at a particular point. More...
double	CDF (double z) override
	Evaluate Cumulative Distribution Function (CDF) at a particular point. More...
double	GradPDF (double z) override
	Evaluate first derivative of PDF at a particular point. More...
double	HessPDF (double z) override
	Evaluate second derivative of PDF at a particular point. More...
Public Member Functions inherited from xgboost::common::ProbabilityDistribution
virtual	~ProbabilityDistribution ()=default

Additional Inherited Members
Static Public Member Functions inherited from xgboost::common::ProbabilityDistribution
static ProbabilityDistribution *	Create (ProbabilityDistributionType dist)
	Factory function to instantiate a new probability distribution object. More...

Detailed Description

The (standard) logistic distribution.

Member Function Documentation

CDF()

double xgboost::common::LogisticDist::CDF ( double  z )

overridevirtual

Evaluate Cumulative Distribution Function (CDF) at a particular point.

Parameters

z	point at which to evaluate CDF

Returns

Value of CDF evaluated

Implements xgboost::common::ProbabilityDistribution.

GradPDF()

double xgboost::common::LogisticDist::GradPDF ( double  z )

overridevirtual

Evaluate first derivative of PDF at a particular point.

Parameters

z	point at which to evaluate first derivative of PDF

Returns

Value of first derivative of PDF evaluated

Implements xgboost::common::ProbabilityDistribution.

HessPDF()

double xgboost::common::LogisticDist::HessPDF ( double  z )

overridevirtual

Evaluate second derivative of PDF at a particular point.

Parameters

z	point at which to evaluate second derivative of PDF

Returns

Value of second derivative of PDF evaluated

Implements xgboost::common::ProbabilityDistribution.

PDF()

double xgboost::common::LogisticDist::PDF ( double  z )

overridevirtual

Evaluate Probability Density Function (PDF) at a particular point.

Parameters

z	point at which to evaluate PDF

Returns

Value of PDF evaluated

Implements xgboost::common::ProbabilityDistribution.

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

• /workspace/src/common/probability_distribution.h