Thank you Ben, setting na.rm = T did the job.
On 16 May 2018 at 19:36, Ben Tupper <btup...@bigelow.org> wrote:
> It's hard to know without any reproducible code, but you will want to pay
> close attention to the value of the na.rm argument to
> See ?extract for all the details.
> On May 16, 2018, at 2:27 PM, João Carreiras <jmbcarrei...@gmail.com> wrote:
> 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?
> R-sig-Geo mailing list
> Ben Tupper
> Bigelow Laboratory for Ocean Sciences
> 60 Bigelow Drive, P.O. Box 380
> East Boothbay, Maine 04544
> Tick Forecasting: https://eco.bigelow.org/
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