Sparse Three-parameter Restricted Indian Buffet Process for Understanding International Trade

29 Jun 2018Melanie F. PradierViktor StojkoskiZoran UtkovskiLjupco KocarevFernando Perez-Cruz

This paper presents a Bayesian nonparametric latent feature model specially suitable for exploratory analysis of high-dimensional count data. We perform a non-negative doubly sparse matrix factorization that has two main advantages: not only we are able to better approximate the row input distributions, but the inferred topics are also easier to interpret... (read more)

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