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by rm999 4596 days ago
>it's actually the best - if not the only - method to represent the contribution of the Top N contributors to a global measure

Yet it's still not great at that. Stacked bar chart (basically an unrolled donut chart) is better - again, because people perceive linear distances with much higher precision than radial:

http://i1.wp.com/flowingdata.com/wp-content/uploads/2008/08/...