From lwaller@sph.emory.edu Thu Aug 12 07:23:15 1999
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Date: Thu, 12 Aug 1999 10:23:05 -0400
From: Lance Waller <lwaller@sph.emory.edu>
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To: waphgis@u.washington.edu
Subject: Re: WAPHGIS: Walter's test for spatial pattern
References: <C12567CA.00457B21.00@enterprise.asl.bergamo.it> <00be01bee3fd$baaa3320$7b790518@olmpi1.wa.home.com>
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Also check Biomedware's homepage for other (commercial)
clustering software.

http://ic.net/~biomware

Lance

"Richard E. Hoskins" wrote:
> 
> Alberto:
> Concerning Walter's test:
> I don't have such a thing, however I propose this. If people will send me
> tips on where to find spatial statistical programs relevant for public
> health or if they will send me their  stata,SPLUS, SPSS, SAS code (or
> anything else) I'll put it on an FTP site for download and make a little
> catalogue. Of course if you know of someone who has already done this, let
> me know.
> 
> If you are looking at clustering, you might check out
> http://dcp.nci.nih.gov/BB/ of the Biometry Group at the US National Cancer
> Institute. SaTScan is a spatial/temporal scan statistical program which
> looks for clusters. The software is free, there is test data, and there is
> plenty of bibliography to support it. I have tried the software and it works
> and its easy for nonspecialists to use.  You can take the results back into
> a GIS to link with other data for further analysis or display. The cited
> papers that have been written using it offer  good support on how to
> interpret the output. It corrects for population density distribution
> differences and other biases.
> 
> Richard Hoskins
> rhoskins@home.com
> 
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> _______________________________________________
> 
> ----- Original Message -----
> From: Alberto Zucchi <azucchi@asl.bergamo.it>
> To: <waphgis@u.washington.edu>
> Sent: Wednesday, August 11, 1999 5:40 AM
> Subject: Walter's test for spatial pattern
> 
> > Dear Listers, has anyone of you some previous experience in building this
> > test by means of Excel or SPSS syntax? Or in some ad hoc geostatistical or
> > cluster analysis software?
> >
> > Thank you for your kindness
> >
> > Alberto Zucchi
> > Epidemiology Unit
> > ASL della Provincia di Bergamo
> > Italy
> >
> >
.