Package jdistlib

Class NumericalPiecewiseDistribution

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.NumericalPiecewiseDistribution

All Implemented Interfaces:

AtomAwareDistribution, SupportedDistribution

public final class NumericalPiecewiseDistribution
extends GenericDistribution
implements SupportedDistribution, AtomAwareDistribution

Numerical distribution over a union of continuous intervals and optional point atoms. At an atom, density returns its probability mass.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	NumericalPiecewiseDistribution.Builder

Field Summary

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor	Description
NumericalPiecewiseDistribution(UnivariateFunction kernel, NumericalSupport support, IntegrationOptions options)
NumericalPiecewiseDistribution(UnivariateFunction kernel, NumericalSupport support, UnivariateFunction atomWeight, IntegrationOptions options)

Method Summary

Modifier and Type	Method	Description
double	atomProbability(double x)	Returns P(X = x); zero means no declared atom at x.
static NumericalPiecewiseDistribution.Builder	builder()	Returns a fluent builder for interval unions with optional atoms.
double	cumulative(double x, boolean lowerTail, boolean logP)
double	density(double x, boolean log)
static NumericalPiecewiseDistribution	fromLogKernel(UnivariateFunction logKernel, NumericalSupport support, UnivariateFunction logAtomWeight, IntegrationOptions options)	Constructs a regionally scaled piecewise distribution from log formulas.
double	getLogNormalizationConstant()
double	getLowerBound()
double	getNormalizationConstant()
NumericalSupport	getSupport()
double	getUpperBound()
double	quantile(double p, boolean lowerTail, boolean logP)
double	random()

Methods inherited from class jdistlib.generic.GenericDistribution

copyBackward, cumulative, cumulative, cumulative, cumulative_hazard, cumulative_hazard, cumulativeInto, density, density, densityInto, getRandomEngine, hazard, hazard, inverse_survival, inverse_survival, quantile, quantile, quantile, quantileInto, random, random, randomInto, setRandomEngine, survival, survival, survival

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NumericalPiecewiseDistribution

public NumericalPiecewiseDistribution(UnivariateFunction kernel,
 NumericalSupport support,
 UnivariateFunction atomWeight,
 IntegrationOptions options)

NumericalPiecewiseDistribution

public NumericalPiecewiseDistribution(UnivariateFunction kernel,
 NumericalSupport support,
 IntegrationOptions options)

Method Details

builder

public static NumericalPiecewiseDistribution.Builder builder()

Returns a fluent builder for interval unions with optional atoms.

fromLogKernel

public static NumericalPiecewiseDistribution fromLogKernel(UnivariateFunction logKernel,
 NumericalSupport support,
 UnivariateFunction logAtomWeight,
 IntegrationOptions options)

Constructs a regionally scaled piecewise distribution from log formulas.

getSupport

public NumericalSupport getSupport()

getLowerBound

public double getLowerBound()

Specified by:

getLowerBound in interface SupportedDistribution

getUpperBound

public double getUpperBound()

Specified by:

getUpperBound in interface SupportedDistribution

getNormalizationConstant

public double getNormalizationConstant()

getLogNormalizationConstant

public double getLogNormalizationConstant()

density

public double density(double x,
 boolean log)

Specified by:

density in class GenericDistribution

atomProbability

public double atomProbability(double x)

Description copied from interface: AtomAwareDistribution

Returns P(X = x); zero means no declared atom at x.

Specified by:

atomProbability in interface AtomAwareDistribution

cumulative

public double cumulative(double x,
 boolean lowerTail,
 boolean logP)

Specified by:

cumulative in class GenericDistribution

quantile

public double quantile(double p,
 boolean lowerTail,
 boolean logP)

Specified by:

quantile in class GenericDistribution

random

public double random()

Specified by:

random in class GenericDistribution