[R-sig-Geo] how to do a principle component analysis with geo-referenced points

[piero campa]

I guess that the answer is that actually the attribute "dimnames" of the
returned x scores prcomp() can be exploited to recover the spatial reference
as far as the object has a rectangular shape in space.
My spatial object was irregularly shaped instead, then I guess that these
"dimnames" were arranged differently underneath.

Regards,
Piero
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