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A bivariate zero-inflated count data regression model with unrestricted correlation

✍ Scribed by Shiferaw Gurmu; John Elder


Book ID
116421988
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
144 KB
Volume
100
Category
Article
ISSN
0165-1765

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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