Bayesian multivariate spatial models for roadway traffic crash mapping

J.J. Song, M. Ghosh, S. Miaou and B. Mallick

Journal of Multivariate Analysis, 2006, vol. 97, issue 1, 246-273

Abstract: We consider several Bayesian multivariate spatial models for estimating the crash rates from different kinds of crashes. Multivariate conditional autoregressive (CAR) models are considered to account for the spatial effect. The models considered are fully Bayesian. A general theorem for each case is proved to ensure posterior propriety under noninformative priors. The different models are compared according to some Bayesian criterion. Markov chain Monte Carlo (MCMC) is used for computation. We illustrate these methods with Texas Crash Data.

Keywords: Hierarchical; models; Markov; chain; Monte; Carlo; Multivariate; CAR; Noninformative; priors; Posterior; propriety (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (11)

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