This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
 BUILT-IN MATHEMATICA SYMBOL

# DirichletDistribution

 DirichletDistribution represents a Dirichlet distribution of dimension k with shape parameters .
• The probability density for vector in a Dirichlet distribution is proportional to for and .
Probability density function in two dimensions:
Cumulative distribution function in two dimensions:
Mean and variance in two dimensions:
Covariance:
Probability density function in two dimensions:
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Cumulative distribution function in two dimensions:
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Mean and variance in two dimensions:
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Covariance:
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 Scope   (8)
Generate a set of pseudorandom vectors that follow a bivariate Dirichlet distribution:
Visualize the sample using a histogram:
Distribution parameters estimation:
Estimate the distribution parameters from sample data:
Goodness-of-fit test:
Skewness:
Kurtosis:
Correlation:
Different mixed moments for a Dirichlet distribution:
Closed form for a symbolic order:
Mixed central moments:
Mixed factorial moments:
Mixed cumulants:
Hazard function: