I found Spatial Filtering Workshop(http://www.spatialfiltering.com/index.html ) in CSISS site(http://www.csiss.org/).
However it seems to no tools available. And at last I know Professor Bivand is British geographer. For a long time I think he was Norwegian. Best Regards. _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo