(see post: a better election map-population centers)
Continuously variable proportional circle maps are point pattern maps where the point data is mapped with a circle and not a dot. The size of the circle relates to a measured variable, not the area over which it is measured. All circles that are not equal in measured data can vary in size, their is not a set number of circles sizes used. The map above uses this technique to measure and display data about population centers, or areas with a greater population density.
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