Articles with "gamma poisson" as a keyword



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Extended multi-item gamma Poisson shrinker methods based on the zero-inflated Poisson model for postmarket drug safety surveillance.

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Published in 2020 at "Statistics in medicine"

DOI: 10.1002/sim.8745

Abstract: Bayesian signal detection methods, including the multiitem gamma Poisson shrinker (MGPS), assume a Poisson distribution for the number of reports. However, the database of the adverse event reporting system often has a large number of… read more here.

Keywords: bayesian signal; poisson; model; signal detection ... See more keywords
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A more reliable species richness estimator based on the Gamma–Poisson model

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Published in 2023 at "PeerJ"

DOI: 10.7717/peerj.14540

Abstract: Background Accurately estimating the true richness of a target community is still a statistical challenge, particularly in highly diverse communities. Due to sampling limitations or limited resources, undetected species are present in many surveys and… read more here.

Keywords: based gamma; gamma poisson; richness; species richness ... See more keywords