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Bayesian analysis of a Gibbs hard-core point pattern model with varying repulsion range

T. Rajala and A. Penttinen

Computational Statistics & Data Analysis, 2014, vol. 71, issue C, 530-541

Abstract: A Bayesian solution is suggested for the modelling of spatial point patterns with inhomogeneous hard-core radius using Gaussian processes in the regularization. The key observation is that a straightforward use of the finite Gibbs hard-core process likelihood together with a log-Gaussian random field prior does not work without penalisation towards high local packing density. Instead, a nearest neighbour Gibbs process likelihood is used. This approach to hard-core inhomogeneity is an alternative to the transformation inhomogeneous hard-core modelling. The computations are based on recent Markovian approximation results for Gaussian fields. As an application, data on the nest locations of Sand Martin (Riparia riparia) colony11Dataset is attached to the online version. on a vertical sand bank are analysed.

Keywords: Hard-core point process; Inhomogeneous; Gaussian process regularisation; Bayesian analysis; Sand Martin’s nests (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:csdana:v:71:y:2014:i:c:p:530-541

DOI: 10.1016/j.csda.2012.08.014

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