[R-sig-Geo] Extract function - too much data for R?

Gareth Davies grothered at gmail.com
Sun Sep 8 09:41:24 CEST 2013

Oops -- regarding my last reply, I see now that the approach with 
'extract' using 'weights' was actually your original method at the start 
of this thread -- so, apparently it is slow. I don't know if the 
spsample+extract approach would be faster or not.

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