Bivariative Choropleth Map

Bivariative Map

The BI in Bivariative choropleth maps means that they, unlike regular choropleth maps, display two variable on the same image. These bivariative choropleth maps may consist of point features, line features or polygon features. The bivariative map below shows not only the median house value over a region as indicated by the dot density, but also employs color change to indicate the population over the same area.

http://proceedings.esri.com/library/userconf/proc99/proceed/papers/pap171/p171.htm