Reversible jump Markov chain Monte Carlo strategies for Bayesian model selection in autoregressive processes

J Vermaak, C Andrieu, A Doucet, SJ Godsill

Research output: Contribution to journalArticle (Academic Journal)peer-review

37 Citations (Scopus)

Abstract

This paper addresses the problem of Bayesian inference in autoregressive (AR) processes in the case where the correct model order is unknown. Original hierarchical prior models that allow the stationarity of the model to be enforced are proposed. Obtaining the quantities of interest, such as parameter estimates, predictions of future values of the time series, posterior model-order probabilities, etc., requires integration with respect to the full posterior distribution, an operation which is analytically intractable. Reversible jump Markov chain Monte Carlo (MCMC) algorithms are developed to perform the required integration implicitly by simulating from the posterior distribution. The methods developed are evaluated in simulation studies on a number of synthetic and real data sets.
Translated title of the contributionReversible jump Markov chain Monte Carlo strategies for Bayesian model selection in autoregressive processes
Original languageEnglish
Pages (from-to)785 - 809
Number of pages25
JournalJournal of Time Series Analysis
Volume225 (6)
Publication statusPublished - Nov 2004

Bibliographical note

Publisher: Blackwell Publ Ltd
Other identifier: IDS Number: 861QQ

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