A continuously variable proportional circle map shows proportional circles that come in a wide distribution of sizes that are not limited to classes. There are no set amount of classes in a map key that limit the size of the proportional circle hence the map being called a "continuously variable proportional circle". Continuously variable proportional circle maps can express all data in the map more accurately for each individual area than averaging it out to a set number of proportional circles. The image shown above is of a continuously variable proportional circle map that shows the proportion of different types of meat that were sent to Paris butcheries from different regions in France.
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