[R-sig-Geo] inquiry

Edzer Pebesma edzer.pebesma at uni-muenster.de
Tue Sep 1 23:17:14 CEST 2015

The script on that page does not match the data in the .zip file on the
same page, and is pretty much outdated (e.g., sp::overlay was deprecated
long ago, and later removed).

Attached is a script that at least works with the data in the .zip, and
with current state of R spatial packages. Tom Hengl would have to
confirm that everything is still in line with what he had originally in

On 09/01/2015 08:38 PM, Sherien Al-Azerji wrote:
> Dear All,
> I'm trying to use the gstat code which called Universal Kriging and run the
> example in this page
> http://spatial-analyst.net/wiki/index.php?title=Regression-kriging_guide
> I got some problems hope you can help me to fix it and understand the code
> well
> 1- when I read the slope file I didn't get the same data structure as in
> the example, the  'SpatialGridDataFrame' [package "sp"] with 4 slots instead
> of 6 slots
> 2- thus when I  run the rest of the code I got error messages after trying
> to create grid-points overlay
> Can any one help me please to fix the problem
> Best Regards
> Dema
> 	[[alternative HTML version deleted]]
> _______________________________________________
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Edzer Pebesma
Institute for Geoinformatics (ifgi),  University of Münster,
Heisenbergstraße 2, 48149 Münster, Germany; +49 251 83 33081
Journal of Statistical Software:   http://www.jstatsoft.org/
Computers & Geosciences:   http://elsevier.com/locate/cageo/
Spatial Statistics Society http://www.spatialstatistics.info
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