Re: [S] Pie diagrams anyone?

Pat Burns (
Sat, 14 Nov 1998 11:50:37 +0000

This discussion has basically excluded pseudo-3D pie charts which seem to me
to be the real problem children. In these, the figure is actually an oval
rather than
a circle. It is unclear to me which of the following three possibilities is

the angle
the area
the perceived proportion of the three-dimensional disk

Hence I infer that a proportion greater than epsilon of the population of
of such graphics don't know either. Given this ambiguity, aren't they
to purposeful distortion of the data (rather than being perhaps merely

Pat Burns

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