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A score test for extra zeros in negative binomial mixed models

✍ Scribed by Moghimbeigi, Abbas


Book ID
120597306
Publisher
Taylor and Francis Group
Year
2011
Tongue
English
Weight
236 KB
Volume
81
Category
Article
ISSN
0094-9655

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## Abstract In many biometrical applications, the count data encountered often contain extra zeros relative to the Poisson distribution. Zero‐inflated Poisson regression models are useful for analyzing such data, but parameter estimates may be seriously biased if the nonzero observations are over‐d