Gibbs random fields play an important role in statistics, for example the autologistic model is commonly used to model the spatial distribution of binary variables defined on a lattice. However they are complicated to work with due to an intractability of the likelihood function. It is therefore natural to consider tractable approximations to the likelihood function. Composite likelihoods offer a principled approach to constructing such approximation. The contribution of this paper is to examine the performance of a collection of composite likelihood approximations in the context of Bayesian inference.
Bayesian inference for Gibbs random fields using composite likelihoods
Published 2012 in Online World Conference on Soft Computing in Industrial Applications
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- Publication year
2012
- Venue
Online World Conference on Soft Computing in Industrial Applications
- Publication date
2012-07-24
- Fields of study
Mathematics, Computer Science
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