A new mixture model for capture heterogeneity

B. J. T. Morgan and M. S. Ridout

Journal of the Royal Statistical Society Series C, 2008, vol. 57, issue 4, 433-446

Abstract: Summary. We propose a mixture of binomial and beta–binomial distributions for estimating the size of closed populations. The new mixture model is applied to several real capture–recapture data sets and is shown to provide a convenient, objective framework for model selection. The new model is compared with three alternative models in a simulation study, and the results shed light on the general performance of models in this area. The new model provides a robust flexible analysis, which automatically deals with small capture probabilities.

Date: 2008
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https://doi.org/10.1111/j.1467-9876.2008.00620.x

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