Friday, July 15, 2011

38. Nominal Area Choropleth Map

Nominal choropleth maps used color to signify areas with similar characteristics or that belong in the same category. They do not signify numerical data or to what degree an area has a specific characteristic. For example, the map above labels countries as U.S. allies, Soviet allies, other communist countries, or none of the above. There is no gradation. 

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