[GRASS-stats] SpatialGridDataFrame simple selection problem

[Edzer Pebesma]

On 11/11/2010 09:50 PM, Chris Carleton wrote:
>         for (i in modelRast_df$index) {
>             modelRast_df[index,'probability'] <-
> calcProb(modelRast_df[modelRast_df$index ==
> 1,],vect_pts,buffer_df,distkernel,pdfkernel)
>         }

The R way to clean this up includes vectorizing calcProb:

modelRast$probability = calcProb(modelRast_df, vect_pts, ...)

Think vectors, not numbers.
-- 
Edzer Pebesma
Institute for Geoinformatics (ifgi), University of Münster
Weseler Straße 253, 48151 Münster, Germany. Phone: +49 251
8333081, Fax: +49 251 8339763  http://ifgi.uni-muenster.de
http://www.52north.org/geostatistics      e.pebesma at wwu.de