The Dirichlet Distribution

Density function and random number generation for the dirichlet distribution with shape parameter vector alpha.

Usage

ddirichlet(x, alpha, log = FALSE)

rdirichlet(n, alpha)

Arguments

x

Matrix of quantiles. Each row corresponds to one probability vector.

alpha

Matrix of positive shape parameters. Each row corresponds to one probability vector.

log

Logical; If TRUE, values are returned on the log scale.

n

Number of draws to sample from the distribution.

Details

See vignette("brms_families") for details on the parameterization.