Interface ChiSquaredDistribution
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- All Superinterfaces:
ContinuousDistribution
,Distribution
,HasDensity<java.lang.Double>
- All Known Implementing Classes:
ChiSquaredDistributionImpl
public interface ChiSquaredDistribution extends ContinuousDistribution, HasDensity<java.lang.Double>
The Chi-Squared Distribution.References:
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Method Summary
All Methods Instance Methods Abstract Methods Deprecated Methods Modifier and Type Method Description double
density(java.lang.Double x)
Return the probability density for a particular point.double
getDegreesOfFreedom()
Access the degrees of freedom.void
setDegreesOfFreedom(double degreesOfFreedom)
Deprecated.as of v2.1-
Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution
inverseCumulativeProbability
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Methods inherited from interface org.apache.commons.math.distribution.Distribution
cumulativeProbability, cumulativeProbability
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Method Detail
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setDegreesOfFreedom
@Deprecated void setDegreesOfFreedom(double degreesOfFreedom)
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
double density(java.lang.Double x)
Return the probability density for a particular point.- Specified by:
density
in interfaceHasDensity<java.lang.Double>
- Parameters:
x
- The point at which the density should be computed.- Returns:
- The pdf at point x.
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