Class ChiSquareDistribution

java.lang.Object

org.episteme.core.mathematics.statistics.ContinuousDistribution

org.episteme.core.mathematics.statistics.distributions.GammaDistribution

org.episteme.core.mathematics.statistics.distributions.ChiSquareDistribution

All Implemented Interfaces:

Function<Real,Real>, ContinuousFunction<Real,Real>, Function<Real,Real>, Relation<Real,Real>, ProbabilityDistribution

public class ChiSquareDistribution
extends GammaDistribution

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Constructor Summary

Constructors

Constructor	Description
ChiSquareDistribution(int degreesOfFreedom)

Method Summary

Modifier and Type	Method	Description
Real	mean()	Returns the mean (expected value) of this distribution.
String	toString()
Real	variance()	Returns the variance of this distribution.

Methods inherited from class GammaDistribution

density

Methods inherited from class ContinuousDistribution

cdf, isDiscrete, quantile, sample

Methods inherited from class Object

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

Methods inherited from interface ContinuousFunction

isContinuous

Methods inherited from interface Function

compose

Methods inherited from interface Function

andThen, apply, compose, contains, evaluate, getBackend, isDifferentiable, setBackend

Methods inherited from interface ProbabilityDistribution

evaluate, standardDeviation

Methods inherited from interface Relation

getCodomain, getDomain

Constructor Details

ChiSquareDistribution

public ChiSquareDistribution(int degreesOfFreedom)

Method Details

mean

public Real mean()

Description copied from interface: ProbabilityDistribution

Returns the mean (expected value) of this distribution.

Specified by:

mean in interface ProbabilityDistribution

Overrides:

mean in class GammaDistribution

Returns:

the mean

variance

public Real variance()

Description copied from interface: ProbabilityDistribution

Returns the variance of this distribution.

Specified by:

variance in interface ProbabilityDistribution

Overrides:

variance in class GammaDistribution

Returns:

the variance

toString

public String toString()

Overrides:

toString in class GammaDistribution