Range Graded Proportional Circle Map

Range graded proportional circle maps are proportional circle maps that have a set range of sizes of the circles that are being used to depict data. The range graded proportional circle map shown above portrays the population of U.S. State Capitals in 1985. There are only five circle sizes that are used in this map.


Source URL: http://faculty.frostburg.edu/geog/kessler/geog310/labs.html