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Testing for presence of a latent process in count series
Abstract:This paper is concerned with the use of tests for overdispersion in order to detect the presence of a latent process in the framework of regression models for count series. In a Monte Carlo study, the impact of different types of regressors, the sample size and the properties of the latent process on the performance of tests for overdispersion is investigated.
Keywords:Count series  Latent process  Poisson regression  Overdispersion
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