Saturday, October 11, 2008

Bivariate Choropleth Map



gis.esri.com/.../proceed/papers/pap171/p1712.jpg

Bivariate mapping is an important mapping technique in cartography. Given a set of geographic features, it maps two variables on a single map by combining two different sets of graphic symbols. Bivariate maps may consist of point features, line features or polygon features. The above bivariate map shows the median house value for different counties in Ohio.

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