Abstract #300461

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JSM 2002 Abstract #300461
Activity Number: 303
Type: Topic Contributed
Date/Time: Wednesday, August 14, 2002 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Computing*
Abstract - #300461
Title: Towards Independent Sampling for Bayesian Spatial Disease Mapping
Author(s): Murali Haran*+ and Luke Tierney
Affiliation(s): University of Minnesota and University of Minnesota
Address: 313 Ford Hall, 224 Church Street S.E. , Minneapolis, Minnesota, 55455, United States of America
Keywords: Rejection Sampling ; Monte-Carlo ; Disease mapping ; Laplace Approximation
Abstract:

Spatial Poisson models using conditional autoregressions are commonly used in Bayesian modeling of areal data. Inference for such models is generally carried out via Markov chain Monte Carlo methods. In this paper, we propose a method based on marginal rejection sampling of the variance components to produce independent samples from the posterior distribution. We apply our techniques to Minnesota cancer data sets.

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