|Authors:||Arnošt Komárek, Lenka Komárková|
|Title:||Capabilities of R Package mixAK for Clustering Based on Multivariate Continuous and Discrete Longitudinal Data|
|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 Komárek and Komárková (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.|
Page views:: 3961. Submitted: 2012-09-26. Published: 2014-09-12.
Capabilities of R Package mixAK for Clustering Based on Multivariate Continuous and Discrete Longitudinal Data
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