Univariate Choropleth Map

Univariate Choropleth Maps show only one variable by using colors, shading, symbols, or patterns. Is a basic choropleth Map.

The map shown is a Univariate Choropleth Map of "Leading Church Bodies, 2000." It is a Univariate map because only the dominate church body is shown; no other variable is defined within the map.

http://bigthink.com/ideas/21289?page=all