hello maybe postgis and its aggregate function would be a better tool for this http://postgis.refractions.net/documentation/manual-svn/ch08.html#PostGIS_Aggregate_Functions
michal palenik On Fri, Apr 30, 2010 at 11:08:35AM +0200, Renger van Nieuwkoop wrote: > Hi > I just started using PBSmapping for R and have the following question: > I have shape files for the quartier level of a big city.Now I want to combine > several quartiers to one bigger region. > I have an attribute which relates the PID from the quartiers to the regions, > but I do not manage to get a map of the region. > It might be simple, but I haven't found out yet. > Can anybody help me? > Thanks > Renger > > _________________________________________ > Renger van Nieuwkoop > Centre for Energy Policy and Economics, ETH > Z?richbergstrasse 18 (ZUE) > CH - 8032 Z?rich > mailto: ren...@vannieuwkoop.ch > > > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- michal palenik www.freemap.sk http://wiki.freemap.sk _______________________________________________ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
