A Simple Chi-Square Statistic for Testing Homogeneity of Zero-Inflated Distributions

Zero-inflated distributions are common in statistical problems where there is interest in testing homogeneity of two or more independent groups. Often, the underlying distribution that has an inflated number of zero-valued observations is asymmetric, and its functional form may not be known or easil...

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Bibliographic Details
Main Authors: Johnson, William D., Burton, Jeffrey H., Beyl, Robbie A., Romer, Jacob E.
Format: Online
Language:English
Published: 2015
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4664523/