# Package org.apache.commons.math.distribution

Implementations of common discrete and continuous distributions.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  BetaDistribution | Computes the cumulative, inverse cumulative and density functions for the beta distribuiton.
  BinomialDistribution | The Binomial Distribution.
  CauchyDistribution | Cauchy Distribution.
  ChiSquaredDistribution | The Chi-Squared Distribution.
  ContinuousDistribution | Base interface for continuous distributions.
  DiscreteDistribution | Base interface for discrete distributions.
  Distribution | Base interface for probability distributions.
  ExponentialDistribution | The Exponential Distribution.
  FDistribution | F-Distribution.
  GammaDistribution | The Gamma Distribution.
  HasDensity<P> | Deprecated to be removed in math 3.0
  HypergeometricDistribution | The Hypergeometric Distribution.
  IntegerDistribution | Interface for discrete distributions of integer-valued random variables.
  NormalDistribution | Normal (Gauss) Distribution.
  PascalDistribution | The Pascal distribution.
  PoissonDistribution | Interface representing the Poisson Distribution.
  TDistribution | Student's t-Distribution.
  WeibullDistribution | Weibull Distribution.
  ZipfDistribution | The Zipf (or zeta) Distribution.

- Class Summary
  Class | Description
  --- | ---
  AbstractContinuousDistribution | Base class for continuous distributions.
  AbstractDistribution | Base class for probability distributions.
  AbstractIntegerDistribution | Base class for integer-valued discrete distributions.
  BetaDistributionImpl | Implements the Beta distribution.
  BinomialDistributionImpl | The default implementation of `BinomialDistribution`.
  CauchyDistributionImpl | Default implementation of `CauchyDistribution`.
  ChiSquaredDistributionImpl | The default implementation of `ChiSquaredDistribution`
  ExponentialDistributionImpl | The default implementation of `ExponentialDistribution`.
  FDistributionImpl | Default implementation of `FDistribution`.
  GammaDistributionImpl | The default implementation of `GammaDistribution`.
  HypergeometricDistributionImpl | The default implementation of `HypergeometricDistribution`.
  NormalDistributionImpl | Default implementation of `NormalDistribution`.
  PascalDistributionImpl | The default implementation of `PascalDistribution`.
  PoissonDistributionImpl | Implementation for the `PoissonDistribution`.
  SaddlePointExpansion | Utility class used by various distributions to accurately compute their respective probability mass functions.
  TDistributionImpl | Default implementation of `TDistribution`.
  WeibullDistributionImpl | Default implementation of `WeibullDistribution`.
  ZipfDistributionImpl | Implementation for the `ZipfDistribution`.

## Package org.apache.commons.math.distribution Description

Implementations of common discrete and continuous distributions.

Copyright (c) 2003-2013 Apache Software Foundation