Better posted on the r-sig-geo list, I think. -- Bert
Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Wed, May 16, 2018 at 8:11 AM, Joao Carreiras <j.carrei...@sheffield.ac.uk > wrote: > Greetings! > > I'm using the extract command (raster package) with a raster layer (x) > and a spatial polygons dataframe (y). I'm using it to extract the sum > of raster values by each spatial polygon. However, I'm getting NAs as > a result for some polygon IDs, which I know isn't true because that > doesn't happen in ArcGIS. > > Does anyone experienced the same issue? > > Thanks! > Joao > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/ > posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
