On the estimation of mixtures of Poisson regression models with large number of components


Modelling heterogeneity in large datasets of counts under the presence of covariates demands advanced clustering methods. Towards this direction a mixture of Poisson regressions is proposed. Conditionally on the covariates and a cluster, the multivariate distribution is a product of independent Poisson distributions. A variety of different parameterizations… (More)
DOI: 10.1016/j.csda.2014.07.005


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