# 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.