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stat.ME2020
Modelling excess zeros in count data: A new perspective on modelling approaches
John Haslett, Andrew C. Parnell, John Hinde +1
We consider the analysis of count data in which the observed frequency of zero counts is unusually large, typically with respect to the Poisson distribution. We focus on two altern…
stat.ME2016
Extended Poisson-Tweedie: properties and regression models for count data
Wagner H. Bonat, Bent Jørgensen, Célestin C. Kokonendji +2
We propose a new class of discrete generalized linear models based on the class of Poisson-Tweedie factorial dispersion models with variance of the form , where is the…