[R-sig-Geo] Raster analysis in a fishnet

[Adrien Inacio]

Dear list members,
Do you know a way to analyse a raster (I use the SDMTools-classStat) with a
fishnet?
I explain my problem: For a map of the mediterranean sea, I've to extract
landscape indices by cells of 50meters x 50 meters.

For that I've a raster map or a shape map and a fishnet at the good size,
create with arcgis.

And after that I just don't know what I've to do....
Indeed, it's impossible for me to extract and analyse the cells one by one,
so I hope on solution exist in R.

Thank you very much for your Help.

Best regards,
Adrien

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