Maybe you could try: rich.kriged = krige(N~1, rich, as(r, "SpatialGridDataFrame"), model = rich.fit)
and, if needed, convert rich.kriged back to raster. On 11/05/2010 07:17 PM, Manuel Spínola wrote: > Dear list members, > > I am doing a kriging and I got this error message. > > > rich.kriged = krige(N~1, rich, r, model = rich.fit) > Error en proj4string(newdata) : > proj4string only works for class(es extending) Spatial > > "rich" is SpatialPointsDataFrame > "r" is a projected raster > > Any help will be appreciatedr? > > Best, > > Manuel > > > > > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- Edzer Pebesma Institute for Geoinformatics (ifgi), University of Münster Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251 8333081, Fax: +49 251 8339763 http://ifgi.uni-muenster.de http://www.52north.org/geostatistics e.pebe...@wwu.de _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo