Capabilities of R Package mixAK for Clustering Based on Multivariate Continuous and Discrete Longitudinal Data

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Authors Arnost Komárek, Lenka Komárková
Journal/Conference Name Journal of Statistical Software
Paper Category
Paper Abstract R package mixAK originally implemented routines primarily for Bayesian estimation of finite normal mixture models for possibly interval-censored data. The functionality of the package was considerably enhanced by implementing methods for Bayesian estimation of mixtures of multivariate generalized linear mixed models proposed in Komarek and Komarkova (2013). Among other things, this allows for a cluster analysis (classification) based on multivariate continuous and discrete longitudinal data that arise whenever multiple outcomes of a different nature are recorded in a longitudinal study. This package also allows for a data-driven selection of a number of clusters as methods for selecting a number of mixture components were implemented. A model and clustering methodology for multivariate continuous and discrete longitudinal data is overviewed. Further, a step-by-step cluster analysis based jointly on three longitudinal variables of different types (continuous, count, dichotomous) is given, which provides a user manual for using the package for similar problems.
Date of publication 2014
Code Programming Language R

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