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marsh
2010 Nov 08
2
Error: could not find function "extract" in package raster
Hi,
I would like to use the function "extract" from package raster and i get the following error:
m01e <- extract(marsh01, p)
Error: could not find function "extract"
marsh01 is a raster object and p is an intersectExtent object that is not null.
The package is installed and loaded, i use a Windows machine 64 bit and R x64 2.11.0. Do i really need to update my R to use this function?
Thanks, Monica...