Density of the Flexible Dirichlet distribution: Density of the Flexible Dirichlet distribution
Description
Density of the Flexible Dirichlet distribution
Usage
dfd(x, alpha, prob, tau)
Arguments
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.
Value
The density value(s).
Details
For more information see the references.
References
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.