[R-sig-Geo] Hello

2008-12-14 Thread yacine kouba
Dear all, somme ome can tell me how I can plot the correlograms of GAM, GLM, AND SVM, in the same graph. Yacine KOUBA PHD Student (ecological modelization) Pyrenean Institut of Ecology Avda MontaƱana, Apdo 202, 50080, ZARAGOZA, SPAIN ___

Re: [R-sig-Geo] periodic variograms

2008-12-14 Thread Edzer Pebesma
Paulo Justiniano Ribeiro Jr wrote: You could try with the wave model: require(geoR) plot(c(0,100), c(0,1.5), type="n") lines.variomodel(1:100,"wave", cov.pars=c(1, 5), nug=0.2) which is also implemented by other packages yes, as in: library(gstat) data(meuse) coordinates(meuse)= c

[R-sig-Geo] Trouble with Durbin Model

2008-12-14 Thread adjemian
Hey everyone, I'm puzzled about a recent result, and I'm wondering if anyone can help explain it. Essentially, I have a set of data that is positively spatially autocorrelated (Moran's I is highly significant). According to LM tests on the OLS residuals, I find that the spatial lag model is pre

Re: [R-sig-Geo] kriging: export to grid

2008-12-14 Thread Roger Bivand
On Sun, 14 Dec 2008, Nicolas Meurisse wrote: Hello, After kriging with the use of the krige.conv function, I would like to export my result under the grid format. In order to view it into a GIS. It was suggested to me to use the writeGDAL function into the rgdal package. However It looks l

[R-sig-Geo] kriging: export to grid

2008-12-14 Thread Nicolas Meurisse
Hello, After kriging with the use of the krige.conv function, I would like to export my result under the grid format. In order to view it into a GIS. It was suggested to me to use the writeGDAL function into the rgdal package. However It looks like I have a problem of supported formats (data