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  • Title: Spatial interaction between neighbouring counties: cancer mortality data in Valencia Spain.
    Author: Ferrándiz J, López A, Llopis A, Morales M, Tejerizo ML.
    Journal: Biometrics; 1995 Jun; 51(2):665-78. PubMed ID: 7662853.
    Abstract:
    The statistical analysis of geographical mortality data has usually been approached via regression models that include appropriate covariates. These models assume stochastic independence of mortality counts for neighbouring sites, a questionable assumption that spatial automodels (Besag, 1974, Journal of the Royal Statistical Society, Series B 36, 192-236) make unnecessary. This paper presents the use of the autopoisson distribution in order to detect spatial interaction between neighbouring sites. If this interaction results in being nonsignificant, the auto-Poisson distribution reduces to a usual Poisson regression model, a particular case of generalized linear models (McCullagh and Nelder, 1989, Generalized Linear Models, 2nd edition. London: Chapman and Hall) which can be analyzed with the GLIM package.
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