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Bivariate Zero-Inflated Negative Binomial Regression Model with Heterogeneous Dispersions
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 Title & Authors
Bivariate Zero-Inflated Negative Binomial Regression Model with Heterogeneous Dispersions
Kim, Dong-Seok; Jeong, Seul-Gi; Lee, Dong-Hee;
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We propose a new bivariate zero-inflated negative binomial regression model to allow heterogeneous dispersions. To show the performance of our proposed model, Health Care data in Deb and Trivedi (1997) are used to compare it with the other bivariate zero-inflated negative binomial model proposed by Wang (2003) that has a common dispersion between the two response variables. This empirical study shows better results from the views of log-likelihood and AIC.
Bivariate negative binomial distribution;heterogeneous dispersion;overdispersion;zero-inflation;
 Cited by
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