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Evaluation of Methods for Classifying Epidemiological Data on Choropleth Maps in Series
Cynthia A. Brewer , Department of Geography , Pennsylvania State University
Annals of the Association of American Geographers , 92(4), 2002, pp. 662-681
This web page provides links to a complete set of maps used in the experiment described here. The majority of the page presents tables with map links for nine series of four maps. Other resources offered are links to the article, experiment questions asked, and an example map series. A summary of the classification methods tested is also available.
Maps used in the Brewer/Pickle Experiments
Series 1
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 1 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks
Jenks (NB) |
Minimum Boundary Error (BE) |
Shared Area
(SA) |
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Lung Cancer White Male (WM_LUNG_UL) |
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Lung Cancer Black Male (BM_LUNG_UR) |
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Lung Cancer White Female (WF_LUNG_LL) |
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Lung Cancer Black Female (BF_LUNG_LR) |
Series 2
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 2 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot
Based (BP) |
Standard Deviation (SD) | Natural Breaks
Jenks (NB) |
Minimum Boundary Error (BE) |
Shared Area
(SA) |
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HIV (WM_HIV_UL) |
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HIV (BM_HIV_UR) |
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Unintentional
Injury (WM_UI_LL) |
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Unintentional
Injury (BM_UI_LR) |
Series 3
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 3 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks
Jenks (NB) |
Minimum Boundary Error (BE) |
Shared Area
(SA) |
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All Causes (WF_ALL_UL) |
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Heart Disease (WF_HD_UR) |
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All Cancers (WF_AC_LL) |
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Stroke
(WF_ST_LR) |
Series 4
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 4 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks Jenks (NB) |
Minimum Boundary (BE) | Shared Area (SA) |
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Motor Vehicle
Injuries (WM_MV_UL) |
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Suicide
(WM_SU_UR) |
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Homicide (WM_HO_LL) |
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Percent (PCT_UR_LR) |
Series 5
Each individual HSA map is in pdf format and is
approximately 150 KB.
Each individual county map
is in pdf format and is approximately 710
KB.
Click here to download the entire
set of Series 5 pdfs in zip format (15 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks Jenks (NB) |
Minimum Boundary Error (BE) |
Shared Area (SA) |
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Breast
Cancer (WF_BC_UL) |
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Median Household Income by County (MED_INC_UR) |
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Percent College Educated by County (COLL_ED_LL) |
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Percent Urban by County (PCT_UR_CO_LR) |
Series 6
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 6 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks Jenks (NB) |
Minimum Boundary
Error (BE) |
Shared Area (SA) |
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Heart Disease (WM_HD_82_84_UL) |
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Heart Disease (WM_HD_85_87_UR) |
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Heart Disease (WM_HD_88_90_LL) |
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Heart Disease (WM_HD_91_93_LR) |
Series 7
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 7 pdfs in zip format (4 MB).
| Hybrid Equal Interval (EI) |
Quantile (QN) | Box Plot Based (BP) |
Standard Deviation (SD) | Natural Breaks Jenks (NB) |
Minimum Boundary (BE) | Shared Area (SA) |
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Stroke
(WM_ST_79_81_UL) |
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Stroke
(WM_ST_91_93_UR) |
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Lung Cancer
(WM_LU_79_81_LL) |
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Lung Cancer
(WM_LU_91_93_LR) |
Series 8
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 8 pdfs in zip format (2.5 MB).
| Hybrid Equal Interval (EI) |
Hybrid Equal Interval
Matched Legends (EI-M) |
Natural Breaks Jenks (NB) |
Natural Breaks Jenks Matched Legends (NB-M) |
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Liver Disease (WM_LD_UL) |
200
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Liver Disease (WF_LD_UR) |
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COPD (WM_COPD_LL) |
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COPD (WF_COPD_LR) |
Series 9
Each individual map is in pdf format and is approximately
150 KB.
Click here to
download the entire set of Series 9 pdfs in zip format (2.5 MB).
| Hybrid Equal Interval (EI) |
Hybrid Equal Interval
Matched Legends (EI-M) |
Natural Breaks Jenks (NB) |
Natural Breaks Jenks Matched Legends (NB-M) |
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Stroke
1982-84 (WM_ST_82_84_UL) |
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Stroke
1985-87 (WM_ST_85_87_UR) |
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Stroke
1988-90 (WM_ST_88_90_LL) |
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Stroke
1991-93 (WM_ST_91_93_LR) |
