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public interface BetaDistribution
Computes the cumulative, inverse cumulative and density functions for the beta distribuiton.
Method Summary | |
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double |
density(java.lang.Double x)
Return the probability density for a particular point. |
double |
getAlpha()
Access the shape parameter, alpha |
double |
getBeta()
Access the shape parameter, beta |
void |
setAlpha(double alpha)
Modify the shape parameter, alpha. |
void |
setBeta(double beta)
Modify the shape parameter, beta. |
Methods inherited from interface org.apache.commons.math.distribution.ContinuousDistribution |
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inverseCumulativeProbability |
Methods inherited from interface org.apache.commons.math.distribution.Distribution |
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cumulativeProbability, cumulativeProbability |
Method Detail |
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void setAlpha(double alpha)
alpha
- the new shape parameter.double getAlpha()
void setBeta(double beta)
beta
- the new scale parameter.double getBeta()
double density(java.lang.Double x) throws MathException
density
in interface HasDensity<java.lang.Double>
x
- The point at which the density should be computed.
MathException
- if probability density cannot be computed
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