Interface ChiSquaredDistribution
- All Superinterfaces:
ContinuousDistribution
,Distribution
,HasDensity<Double>
- All Known Implementing Classes:
ChiSquaredDistributionImpl
The Chi-Squared Distribution.
References:
- Version:
- $Revision: 920852 $ $Date: 2010-03-09 13:53:44 +0100 (mar. 09 mars 2010) $
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Method Summary
Modifier and TypeMethodDescriptiondouble
Return the probability density for a particular point.double
Access the degrees of freedom.void
setDegreesOfFreedom
(double degreesOfFreedom) Deprecated.as of v2.1Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution
inverseCumulativeProbability
Methods inherited from interface org.apache.commons.math.distribution.Distribution
cumulativeProbability, cumulativeProbability
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Method Details
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setDegreesOfFreedom
Deprecated.as of v2.1Modify the degrees of freedom.- Parameters:
degreesOfFreedom
- the new degrees of freedom.
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getDegreesOfFreedom
double getDegreesOfFreedom()Access the degrees of freedom.- Returns:
- the degrees of freedom.
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density
Return the probability density for a particular point.- Specified by:
density
in interfaceHasDensity<Double>
- Parameters:
x
- The point at which the density should be computed.- Returns:
- The pdf at point x.
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