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<div>Hi David</div>
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<div>I've been using postgis extensively for disease mapping (not clustering as yet - although that is something that interests me as well). My research area is in environmental health and in developing exploratory spatial data analysis tools for investigating associations between health outcomes and exposures to environmental contaminants. I have a (rather crude) implmentation of a method of kernel density estimation for creating smoothed maps of diseases from point based data. I don't know if this is something that interests you, but I'd be happy to share what I've done so far.
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<div>- Chetan</div>
<div><br>-- <br>Chetan Tiwari, Ph.D. Candidate<br>Dept. of Geography, The Univ. of Iowa<br>316 Jessup Hall, Iowa City, IA 52242<br>Ph. (319) 335-0165 Fax (319) 335-2725 </div>