Thank you! That solved it. > loc.idw <- idw(value~1, NARR, loc, idp = 1.0, debug.level = 1) [inverse distance weighted interpolation] > > loc.idw coordinates var1.pred var1.var 1 (-170.27, 70.6) 1.268308 NA
----- Tony Fischbach, Wildlife Biologist Walrus Research Program Alaska Science Center U.S. Geological Survey 4210 University Drive Anchorage, AK 99508-4650 afischb...@usgs.gov http://alaska.usgs.gov/science/biology/walrus -- View this message in context: http://r-sig-geo.2731867.n2.nabble.com/error-calling-gstat-idw-locations-tp7436818p7437342.html Sent from the R-sig-geo mailing list archive at Nabble.com. _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo