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| GeoCommunity Mailing List |
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| Subject: | RE: GISList: Jenk's optimization |
| Date: |
07/31/2002 03:19:23 PM |
| From: |
HealthMaps |
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Here are some references
1. Mak, K. and M.R.C. Coulson, Map-user response to computer-generated
choropleth maps: Comparative experiments in classification and
symbolization. Cartography and Geographic Information Systems, 1991. 18(2):
p. 109-124.
2. Lewandowsky, S., et al., Perception of clusters in statistical maps.
Applied Cognitive Psychology, 1993. 7: p. 533-551.
3. Cromley, R.G. and R.D. Mrozinski, The classification of ordinal data for
choropleth mapping. The Cartographic Journal, 1999. 36(2): p. 101-109.
4. Cromley, R.G., A comparison of optimal classification strategies for
choroplethic displays of spatially aggregated data. International Journal of
Geographical Information Systems, 1996. 10(4): p. 405-424.
5. Cromley, E.K. and R.G. Cromley, An analysis of alternative classification
schemes for medical atlas mapping. European Journal of Cancer, 1996. 32A(9):
p. 1551-1559.
Also http://www.dartmouth.edu/~dbkarnes/jenks/jenks.html
Richard E Hoskins PhD MPH
Spatial Epidemiology Unit
WA State Dept of Health
1102 Quince Street
Olympia, WA 98504-7812
richard.hoskins@doh.wa.gov
(360) 534-9891
-----Original Message-----
From: Diane True [mailto:dtrue@cerc.cr.usgs.gov]
Sent: Wednesday, July 24, 2002 9:53 AM
To: gislist@geocomm.com
Subject: GISList: Jenk's optimization
The natural breaks classification method in ArcView uses Jenk's
optimization. I can't find any documentation on Jenk's optimization.
Does anyone know of any citations?
thanks,
dt
--
C. Diane True
Missouri Resource Assessment Partnership
http://www.cerc.usgs.gov/morap/
(USA voice) 573-441-2794
Vision without action is a daydream.
Action without vision is a nightmare.
Japanese proverb
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