A function to create a regular grid over an observation window in order to model the spatial randome effects as a Gaussian Markov random field.
an object of class SpatialPolygons or SpatialPolygonsDataFrame
a scalar, the width of the grid cells
a SpatialPolygons object: the grid on which prediction of the spatial effects will occur
Benjamin M. Taylor. Auxiliary Variable Markov Chain Monte Carlo for Spatial Survival and Geostatistical Models. Benjamin M. Taylor. Submitted. http://arxiv.org/abs/1501.01665
Finn Lindgren, Havard Rue, Johan Lindstrom. An explicit link between Gaussian fields and Gaussian Markov random fields: the stochastic partial differential equation approach. Journal of the Royal Statistical Society: Series B 73(4)
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