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A test of inflated zeros for Poisson regression models

Excessive zeros are common in practice and may cause overdispersion and invalidate inference when fitting Poisson regression models. There is a large body of literature on zero-inflated Poisson models. However, methods for testing whether there are excessive zeros are less well developed. The Vuong...

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Detalles Bibliográficos
Publicado en:Stat Methods Med Res
Main Authors: He, Hua, Zhang, Hui, Ye, Peng, Tang, Wan
Formato: Artigo
Idioma:Inglês
Publicado: 2017
Assuntos:
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC6345607/
https://ncbi.nlm.nih.gov/pubmed/29284370
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/0962280217749991
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