On Wed, 16 Nov 2005, Koen Hufkens wrote:
> Hi list,
>
> Is there a package that covers the evaluation of spatial statistics on
> images and not on point data? I've converted an image matrix to x, y
> coordinates and a measurement value but evaluation with the package
> spdep (not really designed for image data I suppose) is unworkable. Any
> suggestions?
It depends what you are trying to do, also please consider re-posting on
the R-sig-geo list. Yes, constructing a neighbour list for a large image -
millions of points and thus potentially very many neighbours - is not what
spdep is dimensioned for. Advice will depend on your research problem.
>
> Regards,
> Koen
>
--
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no