MixAll (version 1.5.10)

ClusterCategorical-class: Definition of the [ClusterCategorical] class

Description

This class defines a categorical mixture model. It inherits from the [IClusterModel] class. A categorical mixture model is a mixture model of the form

Slots

component

A [ClusterCategoricalComponent] with the probabilities of the categorical component

Author

Serge Iovleff

Details

$$ f({x}|\boldsymbol{\theta}) \\ =\sum_{k=1}^K p_k \prod_{j=1}^d \mathcal{M}(x_j;p_{jk},1) \\ \quad {x} \in \{1,\ldots,L\}^d. $$ The probabilities can be assumed equal between all variables in order to reduce the number of parameters.

Examples

  getSlots("ClusterCategorical")
  data(birds)
  new("ClusterCategorical", data=birds)