Monday, April 2, 2012

Classed choropleth maps

http://en.wikipedia.org/wiki/Choropleth_map


   The above map depicts a classed choropleth map. A classed choropleth map is a thematic map in which areas are shaded or patterned in proportion to the measurement of the statistical variable being displayed on the map, such as population density or per-capita income. The map above depicts the 2004 presidential election. 

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