Analysis of Zero-Inflated Poisson Data Incorporating Extent of Exposure

When analyzing Poisson count data sometimes a high frequency of extra zeros is observed. The Zero‐Inflated Poisson (ZIP) model is a popular approach to handle zero‐inflation. In this paper we generalize the ZIP model and its regression counterpart to accommodate the extent of individual exposure. Em...

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Veröffentlicht in:	Biometrical journal 2001-12, Vol.43 (8), p.963-975
Hauptverfasser:	Lee, Andy H., Wang, Kui, Yau, Kelvin K.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis. Health state Biological and medical sciences Count data EM algorithm Epidemiology Exact sciences and technology Exposure General aspects Inference from stochastic processes time series analysis Mathematics Medical sciences Poisson regression Probability and statistics Public health. Hygiene Public health. Hygiene-occupational medicine Sciences and techniques of general use Statistics Zero-inflation
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