Abstract:Model-based clustering of moderate or large dimensional data is notoriously difficult. We propose a model for simultaneous dimensionality reduction and clustering by assuming a mixture model for a set of latent scores, which are then linked to the observations via a Gaussian latent factor model. This approach was recently investigated by Chandra et al. (2020). The authors use a factor-analytic representation and assume a mixture model for the latent factors. However, performance can deteriorate in the presence… Show more
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