msamp

Estimates the sample size needed to detect microbial contamination in a lot with a user-specified detection probability and user-specified analytical sensitivity. Various patterns of microbial contamination are accounted for: homogeneous (Poisson), heterogeneous (Poisson-Gamma) or localized(Zero-inflated Poisson). Ida Jongenburger et al. (2010) doi:10.1016/j.foodcont.2012.02.004 "Impact of microbial distributions on food safety". Leroy Simon (1963) doi:10.1017/S0515036100001975 "Casualty Actuarial Society - The Negative Binomial and Poisson Distributions Compared".

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