This summary was posted on the CRIMEMAP mailing list, but I thought it may be of interest to those here who do geocoding.
- Bill Thoen Jerry Ratcliffe wrote: > Geocoding hit rate survey results > > On 20th May 2002 I posted a short message on the NIJ Crime Mapping Research > Center (now the Mapping and Analysis for Public Safety [MAPS] program) list > server, asking list members for their average success rates with geocoding. > > E-mails received ranged from a single word answer, to short essays (one > person wrote 1,300 words on the issue). By 28th May 2002, I had received > replies from 39 individuals, describing their geocoding experiences with > numerous different agencies. In the end I had usable responses with regard > to 43 different agencies. > > The mean average geocoding hit rate was 87.5%, with a standard deviation of > 14.1%. The lowest was 41%, while the highest was 99.7%. Slightly more than > two thirds of the responses were 90% or greater. I have put the full survey > results into a web page that all can access at > http://athene.csu.edu.au/~jratclif/research/geocodingsurvey.htm > > Please note that the horizontal axis on the histogram changes as it goes > along (its not a true histo). Thanks to everyone who contributed - the roll > of honour (or honor for you Americans!) is below: > > Cheers,all... > > Jerry R > > PS. For those that know me, I am returning to Australia on Saturday. All > e-mail addresses will remain functional (I hope!). > > Survey respondents: The roll of honour! > Cabrina Scott, College Station, TX > Anne Davis, Phoenix, AZ > Bob Feliciano , Whittier, CA > Tim Burns, Clearwater, FL > Stacy Belledin, Jacksonville, FL > Julie Wartell, ILJ > Safa Egilmez, Malibu/Lost Hills, CA > Kristina Shull, Kirkland, WA > Carolyn Arbogast, Manatee, FL > John Markovic, Vera Institute > Wil Gorr, Carnegie Mellon University > Eric Arrington, Durham, NC > Julie Cooper, Irvine, CA > Patrick Pence, Tallahassee, FL > Karen Kane, Calgary, Canada > Susan Wernicke, Overland PD > Kim David, Thornton, CO > Gini Connolly, Fort Worth, TX > Tom Callahan, Woburn, MA > Uyen (Win) Pham, Washington, DC > Eileen Rudisill, Philadelphia, PA > Cory L. Becker, Sugar Land, TX > Kevin J. Switala, Philadelphia, PA > Bryan Hill, Glendale, AZ > Deborah Osborne, Buffalo, NY > Jessica McCann, Baltimore, MD > Helen Cook, Bromley, UK > Ron Rasmussen, Seattle, WA > Steve Sullivan, Thousand Oaks, CA > Wes Westerfeld, Baltimore, MD > Jenette Johnson, Los Gatos, CA > Eric Y. Kim, Wisconsin > Jody Murphy, Brooklyn Park, MN > Raymond Wickline, Metro PD, Washington DC > Ken Johnson, Seattle, WA > Tom Casady, Lincoln, NE > Megan Ambrosio, Newark, NJ > Stan Lenhart, Eugene, OR > Pat Creamer, Mobile, AL > > Thanks to everyone! > > ------------------------------------------------- > Jerry H Ratcliffe BSc PhD FRGS > Department of Criminal Justice > Temple University > 1115 W Berks Street > Philadelphia PA 19122 USA > > tel: 215-204-7702 > fax: 215-204-3872 > www.bigfoot.com/~jerry.ratcliffe > "Policemen are numbered in case they get lost." Spike Milligan. --------------------------------------------------------------------- List hosting provided by Directions Magazine | www.directionsmag.com | To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
