Poisson--Gamma Dynamical Systems

19 Jan 2017Aaron ScheinMingyuan ZhouHanna Wallach

We introduce a new dynamical system for sequentially observed multivariate count data. This model is based on the gamma--Poisson construction---a natural choice for count data---and relies on a novel Bayesian nonparametric prior that ties and shrinks the model parameters, thus avoiding overfitting... (read more)

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