R package rjmcmc: reversible jump MCMC using post‐processing
Nicholas Gelling, Matthew Schofield, Richard Barker
Abstract
Nicholas Gelling, Matthew Schofield, Richard Barker
Abstract
Summary The rjmcmc package for R implements the post‐processing reversible jump Markov chain Monte Carlo (MCMC) algorithm of Barker & Link. MCMC output from each of the models is used to estimate posterior model probabilities and Bayes factors. Automatic differentiation is used to simplify implementation. The package is demonstrated on two examples.
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Summary The rjmcmc package for R implements the post‐processing reversible jump Markov chain Monte Carlo (MCMC) algorithm of Barker & Link. MCMC output from each of the models is used to estimate posterior model probabilities and Bayes factors. Automatic differentiation is used to simplify implementation. The package is demonstrated on two examples.
Key concepts: Reversible-jump Markov chain Monte Carlo, Markov chain Monte Carlo, Jump, Bayes' theorem, Mathematics, R package, Algorithm, Markov chain