Re: [R-sig-Geo] error in SpatialGridDataFrame

2007-04-05 Thread Edzer J. Pebesma
temiz wrote: > hello > > when I followed the steps of ORDINARY KRIGING IN R WITH GRASS6 DATA in > GRASS 6 Tutorial. > > I encountered this error: > > > mask_SG <- > SpatialGridDataFrame(grd,data=list(k=rep(1,G$cols3*G$rows3)),proj4string=CRS(G$proj4)) > Error in validObject(.Object) : invalid c

[R-sig-Geo] error in SpatialGridDataFrame

2007-04-05 Thread temiz
hello when I followed the steps of ORDINARY KRIGING IN R WITH GRASS6 DATA in GRASS 6 Tutorial. I encountered this error: > mask_SG <- SpatialGridDataFrame(grd,data=list(k=rep(1,G$cols3*G$rows3)),proj4string=CRS(G$proj4)) Error in validObject(.Object) : invalid class "SpatialGridDataFrame" o