Wednesday, July 30, 2014

Continuously Variable Proportional Circle Map

Minard's proportional symbol map



A continuously variable proportional circle map displays its information with circles that are proportionate to the data being measured.   The higher the value, the greater the circle and the lower the value, the smaller the circle.  The image above is an early example of this type of map, showing the proportion of different types of meat sent to Paris from different areas of France.

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