org.apache.commons.math.distribution
Interface ChiSquaredDistribution

All Superinterfaces:

ContinuousDistribution, Distribution

All Known Implementing Classes:

ChiSquaredDistributionImpl

public interface ChiSquaredDistribution
extends ContinuousDistribution

The Chi-Squared Distribution.

References:

• Chi-Squared Distribution

Version:

$Id: ChiSquaredDistribution.java 1131229 2011-06-03 20:49:25Z luc $

Method Summary

double

getDegreesOfFreedom() Access the number of degrees of freedom.

Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution

density, inverseCumulativeProbability, reseedRandomGenerator, sample, sample

Methods inherited from interface org.apache.commons.math.distribution.Distribution

cumulativeProbability, cumulativeProbability, getNumericalMean, getNumericalVariance, isSupportConnected, isSupportLowerBoundInclusive, isSupportUpperBoundInclusive

Method Detail

getDegreesOfFreedom

double getDegreesOfFreedom()

Access the number of degrees of freedom.

Returns:

the degrees of freedom.