Density of the Flexible Dirichlet distribution
Density of the Flexible Dirichlet distribution
fd.density(x, alpha, prob, tau)
x |
A vector or a matrix with compositional data. |
alpha |
A vector of the non-negative alpha parameters. |
prob |
A vector of the clusters' probabilities. It must sum to one. |
tau |
The non-negative scalar tau parameter. |
For more information see the references.
The density value(s).
Michail Tsagris ported from the R package FlexDir. mtsagris@uoc.gr.
Ongaro A. and Migliorati S. (2013). A generalization of the Dirichlet distribution. Journal of Multivariate Analysis, 114, 412–426.
Migliorati S., Ongaro A. and Monti G. S. (2017). A structured Dirichlet mixture model for compositional data: inferential and applicative issues. Statistics and Computing, 27, 963–983.
alpha <- c(12, 11, 10) prob <- c(0.25, 0.25, 0.5) tau <- 8 x <- rfd(20, alpha, prob, tau) fd.density(x, alpha, prob, tau)
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.