Do you mean "layer" as in the first column in the data.frame? Does this do what you want? The negative index means "everything but these indexes".
monthly.sp <- monthly.sp[,-1] On Tue, Aug 10, 2010 at 12:40 PM, Andy Bunn <andy.b...@wwu.edu> wrote: > I have a SpatialGridDataFrame with 325 variables in the @ data slot. I want > to drop the first layer. Seems simple enough. Any help? Thanks, Andy > >> str(monthly.sp) > Formal class 'SpatialGridDataFrame' [package "sp"] with 6 slots > ..@ data :'data.frame': 8060 obs. of 325 variables: > .. ..$ values: num [1:8060] 127.5 31.9 127.5 127.5 231.1 ... > .. ..$ values: num [1:8060] 127.5 31.9 127.5 127.5 231.1 ... > .. and so on > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Michael Sumner Institute for Marine and Antarctic Studies, University of Tasmania Hobart, Australia e-mail: mdsum...@gmail.com _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo