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## 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: 155427 $ $Date: 2005-02-26 06:11:52 -0700 (Sat, 26 Feb 2005) $

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.

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