"Some Remarks on Testing Overdispersion in Zero-Inflated Poisson and Binomial Regression Models" by Zhao Yang

Selected Works of Zhao (Tony) Yang, Ph.D.

Article

Some Remarks on Testing Overdispersion in Zero-Inflated Poisson and Binomial Regression Models

Communications in Statistics - Theory and Methods (2010)

Zhao Yang

Abstract

This note extends the score test statistics for overdispersion in Poisson and binomial regression models (Dean, 1992) to the zero-inflated models. Some general results are obtained, and examples illustrate the application of the extended results.

Disciplines

Applied Statistics,
Biometry,
Biostatistics,
Categorical Data Analysis,
Clinical Trials and
Statistical Methodology

Publication Date

Summer July 15, 2010

Citation Information

Zhao Yang. "Some Remarks on Testing Overdispersion in Zero-Inflated Poisson and Binomial Regression Models" Communications in Statistics - Theory and Methods (2010)
Available at: http://works.bepress.com/zyang/7/