Thanks, Kind of weird, isn't it? I don't understand the behavior of get() in your case either. I would expect get(v) just returning the value of v, not going down to evaluate r1
And you remind me I should have posted the result of sessionInfo(): > v <- c("r1","r2","r3") > get(v) Loading required package: raster Loading required package: sp raster version 1.6-22 (17-November-2010) class : RasterLayer nrow : 18 ncol : 36 ncell : 648 projection : +proj=longlat +datum=WGS84 +ellps=WGS84 +towgs84=0,0,0 xmin : -180 xmax : 180 ymin : -90 ymax : 90 xres : 10 yres : 10 > str(v) chr [1:3] "r1" "r2" "r3" > sessionInfo() R version 2.12.0 (2010-10-15) Platform: i486-pc-linux-gnu (32-bit) locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8 LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] raster_1.6-22 sp_0.9-72 loaded via a namespace (and not attached): [1] grid_2.12.0 lattice_0.19-13 > 2010/11/19 Matthew Landis <lan...@isciences.com>: > On 11/19/2010 2:24 PM, Agustin Lobo wrote: >> >> Even not having loaded raster, it gets automatically loaded once I >> call get(). Is this a bug? > > Agus, that doesn't occur for me. Here's what happens on my machine (and I > do have raster installed, but not loaded). Note the difference in behavior > between get(v) and get('v') . > >> v = c("r1","r2","r3") >> v > [1] "r1" "r2" "r3" >> get(v) > Error in get(v) : object 'r1' not found >> get('v') > [1] "r1" "r2" "r3" >> sessionInfo() > R version 2.11.1 (2010-05-31) > x86_64-pc-mingw32 > > locale: > [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United > States.1252 > [3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C > [5] LC_TIME=English_United States.1252 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > loaded via a namespace (and not attached): > [1] tools_2.11.1 > > > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~ > Matthew Landis, Ph.D. > Research Scientist > ISciences, LLC > 61 Main St. Suite 200 > Burlington VT 05401 > 802.864.2999 > ~~~~~~~~~~~~~~~~~~~~~~~~~~ > > _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo