Testing Homogeneity of Two Zero-inflated
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Siu Keung Tse; Shein Chung Chow; Qingshu Lu; Dennis Cosmatos
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Article
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2009
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John Wiley and Sons
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English
β 119 KB
π 2 views
## Abstract The problem of testing treatment difference in the occurrence of a safety parameter in a randomized parallelβgroup comparative clinical trial under the assumption that the number of occurrence follows a zeroβinflated Poisson (ZIP) distribution is considered. Likelihood ratio tests (LRT)