1. 2010-09-24 Re: [R-sig-Geo] using the 'mask' function to set NAs r-sig-geo Jason MacKenzie 2. 2010-09-23 Re: [R-sig-Geo] using the 'mask' function to set NAs r-sig-geo Robert J. Hijmans 3. 2010-09-23 [R-sig-Geo] using the 'mask' function to set NAs in ' r-sig-geo Jason MacKenzie