[GRASS-user] use grass to process data for R biomod

Daniel Victoria daniel.victoria at gmail.com
Sat Mar 2 04:09:20 PST 2013


Take a look at v.what.rast
It will upload raster values to an attribute table. That might do what you
are looking for.

Daniel
On Mar 2, 2013 4:44 AM, "孔晓泉" <u1mail2me at gmail.com> wrote:

> Hi,
>
> I'm working on my paper, which i will use R package "biomod". In
> biomod manual, i found it support such table format (other format? i
> don't konw, i am a newer to R and grass).
>
> > Idw   X     Y     Var1 Var2  Var3 Var4  Var5   Sp281  Sp191
> > 73 -9.288 38.62 0.6683 4296 770.1 39.33 295.1    1      0
> > 74 -9.292 39.52 0.7596 4174 928.1 57.32 348.7    0      1
>
>
> - Idw: An Id to keep track of the row numbers
> - X and Y: longitude and latitude of our sites (used for plotting)
> - Var1 to Var5: Environmental variables (bioclimatic in that case)
> - Sp281 Sp191: Presence/absence of 2 species.
>
> I get the species data from web( shapefile format) and the
> envirmonental data (Rast format).
> For so far, i only kown "r.mapcalc new_var = if(var,env1)", so i can
> get the env1 data when specie is presence,but this is not what i want.
> so, someone can help me? give me some point, please.
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>
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