rDirichlet {compositions}R Documentation

Dirichlet distribution

Description

The Dirichlet distribution on the simplex.

Usage

rDirichlet.acomp(n,alpha)
rDirichlet.rcomp(n,alpha)

          

Arguments

n number of datasets to be simulated
alpha parameters of the Dirichlet distribution

Details

TO DO!!!

Value

a generated random dataset of class "acomp" or "rcomp" with drawn from a Dirichlet distribution with the given parameter alpha. The names of alpha are used to name the parts.

Author(s)

K.Gerald v.d. Boogaart http://www.stat.boogaart.de, Raimon Tolosana-Delgado

References

Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman & Hall Ltd., London (UK). 416p.

See Also

rnorm.acomp

Examples

tmp <- rDirichlet.acomp(10,alpha=c(A=2,B=0.2,C=0.2))
plot(tmp)

[Package compositions version 0.9-11 Index]