Statistics: An All-Encompassing Discipline
统计学：一门包罗万象的学科
Although Bayesian nonparametric mixture models for continuous data are well developed, there is a limited literature on related approaches for count data.A common strategy is to use a mixture of Poissons, which unfortunately is quite restrictive in not accounting for distributions having variance less than the mean.Other approaches include mixing multinomials, which requires finite support, and using a Dirichlet process prior with a Poisson base measure, which does not allow…