org.apache.commons.math.distribution
Interface GammaDistribution

All Superinterfaces:

ContinuousDistribution, Distribution

All Known Implementing Classes:

GammaDistributionImpl

public interface GammaDistribution

extends ContinuousDistribution

The Gamma Distribution. Instances of GammaDistribution objects should be created using DistributionFactory.createGammaDistribution(double,double).

References:

• Gamma Distribution

Version:

$Revision: 1.15 $ $Date: 2004/06/23 16:26:15 $

Method Summary

double	getAlpha() Access the shape parameter, alpha
double	getBeta() Access the scale parameter, beta
void	setAlpha(double alpha) Modify the shape parameter, alpha.
void	setBeta(double beta) Modify the scale parameter, beta.

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

inverseCumulativeProbability

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

cumulativeProbability, cumulativeProbability

Method Detail

setAlpha

public void setAlpha(double alpha)

Modify the shape parameter, alpha.

Parameters:

alpha - the new shape parameter.

getAlpha

public double getAlpha()

Access the shape parameter, alpha

Returns:

alpha.

setBeta

public void setBeta(double beta)

Modify the scale parameter, beta.

Parameters:

beta - the new scale parameter.

getBeta

public double getBeta()

Access the scale parameter, beta

Returns:

beta.