Interface DiscreteDistribution
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- 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.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description doubleprobability(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
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Method Detail
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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
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