Interface DiscreteDistribution

All Superinterfaces:
Distribution
All Known Subinterfaces:
BinomialDistribution, HypergeometricDistribution, IntegerDistribution, PascalDistribution, PoissonDistribution, ZipfDistribution
All Known Implementing Classes:
AbstractIntegerDistribution, BinomialDistributionImpl, HypergeometricDistributionImpl, PascalDistributionImpl, PoissonDistributionImpl, ZipfDistributionImpl

public interface DiscreteDistribution extends Distribution
Base interface for discrete distributions.
Version:
$Revision: 811685 $ $Date: 2009-09-05 19:36:48 +0200 (sam. 05 sept. 2009) $
  • Method Summary

    Modifier and Type
    Method
    Description
    double
    probability(double x)
    For a random variable X whose values are distributed according to this distribution, this method returns P(X = x).

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

    cumulativeProbability, cumulativeProbability
  • Method Details

    • probability

      double probability(double x)
      For a random variable X whose values are distributed according to this distribution, this method returns P(X = x). In other words, this method represents the probability mass function, or PMF for the distribution.
      Parameters:
      x - the value at which the probability mass function is evaluated.
      Returns:
      the value of the probability mass function at x