[R-sig-Geo] raster's summary stats on polygons

Mikaela Keller mikaela.keller at inria.fr
Fri Feb 11 16:45:14 CET 2011

Hi everyone,

I have a raster file over a certain region and a shapefile containing a 
list of polygons (> 2000) in that same region. I would like to get the 
mean value of the raster in each of the polygons.
Is there an easy way to do that using R?
Thank you in advance.


More information about the R-sig-Geo mailing list