Package jdistlib

Class MixtureDistribution

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.MixtureDistribution

All Implemented Interfaces:

AtomAwareDistribution, SupportedDistribution

public final class MixtureDistribution
extends GenericDistribution
implements SupportedDistribution, AtomAwareDistribution

Normalized finite mixture of scalar distribution objects.

Field Summary

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor	Description
MixtureDistribution(double[] weights, GenericDistribution... components)

Method Summary

Modifier and Type	Method	Description
double	atomProbability(double x)	Returns P(X = x); zero means no declared atom at x.
double	cumulative(double x, boolean lowerTail, boolean logP)
double	density(double x, boolean log)
GenericDistribution[]	getComponents()
double	getLowerBound()
double	getUpperBound()
double[]	getWeights()
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

MixtureDistribution

public MixtureDistribution(double[] weights,
 GenericDistribution... components)

Method Details

getComponents

public GenericDistribution[] getComponents()

getWeights

public double[] getWeights()

getLowerBound

public double getLowerBound()

Specified by:

getLowerBound in interface SupportedDistribution

getUpperBound

public double getUpperBound()

Specified by:

getUpperBound in interface SupportedDistribution

density

public double density(double x,
 boolean log)

Specified by:

density in class GenericDistribution

cumulative

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

Specified by:

cumulative 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

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