Comparing Zero-inflated Poisson, Zero-inflated Negative Binomial and Zero-inflated Geometric in Count Data with Excess Zero
نویسندگان
چکیده
منابع مشابه
Zero-Inflated Poisson and Zero-Inflated Negative Binomial Models Using the COUNTREG Procedure
Real-life count data are frequently characterized by overdispersion and excess zeros. Zero-inflated count models provide a parsimonious yet powerful way to model this type of situation. Such models assume that the data are a mixture of two separate data generation processes: one generates only zeros, and the other is either a Poisson or a negative binomial data-generating process. The result of...
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ژورنال
عنوان ژورنال: Asian Journal of Probability and Statistics
سال: 2019
ISSN: 2582-0230
DOI: 10.9734/ajpas/2019/v4i230113