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2012 Jul 12
0
How to handle NA-values in raster-based Geary´s C test?
...ile,mask,test.tif", overwrite=TRUE) value <- as.matrix(subset) # Creation of a list of integer vectors giving the region id numbers for the neighbors within the grid extent nb <- cell2nb(50, 50, type="queen", torus=TRUE) # Calculation of the distances along the links in the neighbous list dist <- nbdists(nb, coordinates(subset), longlat=TRUE) # Converting the distances to inverse distance values inv.dist <- lapply(dist, function (x) 1/(x*100)) # Supplementing the neighbors list with spatial weights for a coding scheme nb.idw <- nb2listw(nb, glist=inv.dist, style=&quo...