Bootstrap Tests for Overdispersion in a Zero-Inflated Poisson Regression Model

Ridout, Hinde, and Demétrio (2001, Biometrics 57, 219-223) derived a score test for testing a zero-inflated Poisson (ZIP) regression model against zero-inflated negative binomial (ZINB) alternatives. They mentioned that the score test using the normal approximation might underestimate the nominal si...

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Veröffentlicht in:	Biometrics 2005-06, Vol.61 (2), p.626-628
Hauptverfasser:	Jung, Byoung Cheol, Jhun, Myoungshic, Lee, Jae Won
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Binomials Biometrics Biometry - methods Bootstrap Bootstrap method Bootstrap resampling Computer Simulation Count data Models, Statistical Monte Carlo Method Negative binomial P values Plant Roots - growth & development Poisson Distribution Poisson regression model Random numbers Reader Reaction Regression Analysis Score test Significance level Statistical methods Zero inflation
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