Hierarchical modeling of count data with application to nuclear fall-out

  title={Hierarchical modeling of count data with application to nuclear fall-out},
  author={Birgir Hrafnkelsson and Noel Cressie},
  journal={Environmental and Ecological Statistics},
We propose a method for a Bayesian hierarchical analysis of count data that are observed at irregular locations in a bounded domain of R2. We model the data as having been observed on a fine regular lattice, where we do not have observations at all the sites. The counts are assumed to be independent Poisson random variables whose means are given by a log Gaussian process. In this article, the Gaussian process is assumed to be either a Markov random field (MRF) or a geostatistical model, and we… CONTINUE READING
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