Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!samsung!brutus.cs.uiuc.edu!psuvax1!psuvm!auvm!MAPVXA!MARBLE From: MARBLE@MAPVXA.CFM.OHIO-STATE.EDU (Duane Marble) Newsgroups: bit.listserv.gis-l Subject: RE: Cluster analysis and GIS Message-ID: Date: 7 Feb 90 12:49:00 GMT Sender: Geographic Information Systems Discussion List Reply-To: Geographic Information Systems Discussion List Lines: 6 Approved: NETNEWS@AUVM Gateway Comments: SMTP-VMS To: SMTP%"<@OHSTVMA.IRCC.OHIO-STATE.EDU:GIS-L@UBVM.BITNET>" Although it does not do formal cluster analysis, the graphic operations you describe may be found in the GIS/Spreadsheet package offered by Don Cooke and GDT in Lyme, NH. As far as I can tell this comes as close as anything to what you describe. The incorporation of formal clustering algorithms would be interesting. Why not talk to Don about it? Duane Marble - OSU