Models for analyzing zero-inflated and overdispersed count data: an application to cigarette and marijuana use

• Published in: Nicotine & tobacco research
• Main Authors: Pittman, Brian, Buta, Eugenia, Krishnan-Sarin, Suchitra, O'Malley, Stephanie S, Liss, Thomas, Gueorguieva, Ralitza
• Format: Journal Article
• Language: English
• Published: England 18.04.2018

This paper describes different methods for analyzing counts and illustrates their use on cigarette and marijuana smoking data. The Poisson, zero-inflated Poisson (ZIP), hurdle Poisson (HUP), negative binomial (NB), zero-inflated negative binomial (ZINB) and hurdle negative binomial (HUNB) regression...