eggCounts: a Bayesian hierarchical toolkit to model faecal egg count reductions

04/30/2018

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by   Craig Wang, et al.

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This is a vignette for the R package eggCounts version 2.0. The package implements a suite of Bayesian hierarchical models dealing with faecal egg count reductions. The models are designed for a variety of practical situations, including individual treatment efficacy, zero inflation, small sample size (less than 10) and potential outliers. The functions are intuitive to use and their output are easy to interpret, such that users are protected from being exposed to complex Bayesian hierarchical modelling tasks. In addition, the package includes plotting functions to display data and results in a visually appealing manner. The models are implemented in Stan modelling language, which provides efficient sampling technique to obtain posterior samples. This vignette briefly introduces different models, and provides a short walk-through analysis with example data.