Introduction: This article describes different methods for analyzing counts and illustrates their use on cigarette and marijuana smoking data. Methods: The Poisson, zero-inflated Poisson (ZIP), hurdle ...

Count data modelling occupies a central role in statistical applications across diverse disciplines including epidemiology, econometrics and engineering. Traditionally, the Poisson distribution has ...

In recent mutation studies, analyses based on protein domain positions are gaining popularity over gene-centric approaches since the latter have limitations in considering the functional context that ...