Kathi,
It would probably be useful to read vignette('raster') and to look at the
'crop' function (and  'extend', 'resample', and 'aggregate').
Robert

On Thu, Jan 31, 2013 at 2:41 PM, klborgmann <klborgmann@gmail.com> wrote:

> Thanks Robert!
> That did eliminate the Failure during raster IO
> I am following your example vignette for SDM (page 31) and have several
> raster layers with wetland attributes that have different extents.  It
> seems
> that in order to stack rasters they have to be the same extent, hence why I
> was trying to change the extents of the rasters.  Is there a better method
> for combining rasters with different extents to allow for spatial
> predictions based on a glm model? My model has three wetland attributes and
> I have a raster layer for each wetland attribute.
> Thanks Again!!
> -Kathi
>
>
>
> --
> View this message in context:
> http://r-sig-geo.2731867.n2.nabble.com/Failure-during-raster-IO-tp7582421p7582447.html
> Sent from the R-sig-geo mailing list archive at Nabble.com.
>
> _______________________________________________
> R-sig-Geo mailing list
> R-sig-Geo@r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>

	[[alternative HTML version deleted]]

