From Mark_Vanderkloot@hc-sc.gc.ca Mon Jul 24 07:37:50 2000 Received: from mxu4.u.washington.edu (mxu4.u.washington.edu [140.142.33.8]) by lists.u.washington.edu (8.9.3+UW00.05/8.9.3+UW99.09) with ESMTP id HAA138858 for ; Mon, 24 Jul 2000 07:37:49 -0700 From: Mark_Vanderkloot@hc-sc.gc.ca Received: from jupiter.hc-sc.gc.ca (jupiter.hc-sc.gc.ca [198.103.237.7]) by mxu4.u.washington.edu (8.9.3+UW00.02/8.9.3+UW99.09) with ESMTP id HAA31236 for ; Mon, 24 Jul 2000 07:37:48 -0700 Received: from neptune.hc-sc.gc.ca (neptune.hc-sc.gc.ca [198.103.172.81]) by jupiter.hc-sc.gc.ca (8.9.3/8.9.3) with ESMTP id KAA18400 for ; Mon, 24 Jul 2000 10:37:47 -0400 Received: from smta00.hc-sc.gc.ca (smta00.hc-sc.gc.ca [142.4.99.231]) by neptune.hc-sc.gc.ca (8.9.3/8.9.3) with SMTP id KAA23501 for ; Mon, 24 Jul 2000 10:37:47 -0400 Received: by smta00.hc-sc.gc.ca(Lotus SMTP MTA v4.6.3 (778.2 1-4-1999)) id 85256926.0050256C ; Mon, 24 Jul 2000 10:35:24 -0400 X-Lotus-FromDomain: HWC To: waphgis@u.washington.edu Message-ID: <85256926.004F9D19.00@smta00.hc-sc.gc.ca> Date: Mon, 24 Jul 2000 10:31:41 -0400 Subject: Re: health data mapping Mime-Version: 1.0 Content-type: text/plain; charset=us-ascii Content-Disposition: inline Is this the one? http://www.uiowa.edu/~geog/faculty/rushton/ If you dig - there should be a way to get his CD for a nominal cost which all sorts of information and demos and tutorieals etc. I also believe that he was at the GIS and Health conference in March in Washington DC. MARK Mark Vanderkloot GIS Consultant Data Development and Exchange Division Bureau of Operations, Planning and Policy (BOPP) Laboratory Centre for Disease Control, Health Canada, LCDC Building, Pl: 0602D, Tunney's Pasture, Ottawa, Ontario Canada, K1A 0L2 Phone: (613) 952-6706 Fax: (613) 941-6028 Internet: Mark_Vanderkloot@hc-sc.gc.ca "Dick Hoskins" on 24/07/2000 10:10:12 AM Please respond to waphgis@u.washington.edu To: waphgis@u.washington.edu cc: (bcc: Mark Vanderkloot) Subject: Re: health data mapping Linda: What are Jenks? Everyone else: I saw a web site (a geography dept?) that had some materials , maybe a tutorial, on categories and maps, but I cannot find it again. Any ideas where that may be? Dick Hoskins rhoskins@home.com ----- Original Message ----- From: "Pickle, Linda (NCI)" To: Sent: Monday, July 24, 2000 5:52 AM Subject: RE: health data mapping > I have been working with Cindy Brewer of Penn State to compare methods of > creating categories for health rate maps. Quantiles seem to convey the > underlying data accurately for all types of questions and even non-normal > data distributions. Other methods tested included Jenks and equal width > intervals (+ 4 others) > > Linda Williams Pickle, Ph.D. > Senior Mathematical Statistician > Statistical Research and Applications Branch > Surveillance Research Program > Division of Cancer Control and Population Sciences > National Cancer Institute > EPN Room 4103, MSC 7359 > 6130 Executive Blvd. > Bethesda, MD 20892 > (for overnight delivery, use Rockville, MD 20852) > Branch phone: 301-435-7739 > Email: picklel@mail.nih.gov > > > -----Original Message----- > From: Rosmaire Kelly [mailto:rosmaire@worldnet.att.net] > Sent: Friday, July 21, 2000 8:41 PM > To: waphgis@u.washington.edu > Subject: health data mapping > > Are there conventions for creating categories when mapping > health > data? I am involved in a project to map a variety of health > data in > Ohio at county (and possibly census tract) level, and would > appreciate any information from anyone who has been involved > in this > sort of work. > > Thanks in advance, > > Rosmarie Kelly > MPH student .