PMF of Dirichlet-multinomial distribution

PMF of Dirichlet-multinomial distribution

ddirmult(x, alpha, lg = FALSE)

Arguments

x

The vector of counts.

alpha

The vector of concentration parameters.

lg

A logical. Should we log the density (TRUE) or not (FALSE)?

Author

David Gerard

Examples

ddirmult(c(1, 2, 3), c(1, 1, 1))
#> [1] 0.03571429
ddirmult(c(2, 2, 2), c(1, 1, 1))
#> [1] 0.03571429