Bayesian Computation and Stochastic-Systems

Besag, Julian, Green, Peter, Higdon, David, & Mengersen, Kerrie L. (1995) Bayesian Computation and Stochastic-Systems. Statistical Science, 10(1), pp. 3-41.

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Markov chain Monte Carlo (MCMC) methods have been used extensively in statistical physics over the last 40 years, in spatial statistics for the past 20 and in Bayesian image analysis over the last decade. In the last five years, MCMC has been introduced into significance testing, general Bayesian inference and maximum likelihood estimation. This paper presents basic methodology of MCMC, emphasizing the Bayesian paradigm, conditional probability and the intimate relationship with Markov random fields in spatial statistics. Hastings algorithms are discussed, including Gibbs, Metropolis and some other variations. Pairwise difference priors are described and are used subsequently in three Bayesian applications, in each of which there is a pronounced spatial or temporal aspect to the modeling. The examples involve logistic regression in the presence of unobserved covariates and ordinal factors; the analysis of agricultural field experiments, with adjustment for fertility gradients; and processing of low-resolution medical images obtained by a gamma camera. Additional methodological issues arise in each of these applications and in the Appendices. The paper lays particular emphasis on the calculation of posterior probabilities and concurs with others in its view that MCMC facilitates a fundamental breakthrough in applied Bayesian modeling.

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616 citations in Scopus
567 citations in Web of Science®
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ID Code: 13129
Item Type: Journal Article
Refereed: Yes
Additional URLs:
DOI: 10.1214/ss/1177010123
ISSN: 0883-4237
Divisions: Current > QUT Faculties and Divisions > QUT Business School
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 1995 Institute of Mathematical Statistics
Deposited On: 25 Mar 2008 00:00
Last Modified: 04 Jul 2017 21:01

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