Talk:Statistics/Displaying Data/Pie Charts

I am not a great fan of pie charts and think that others should be dissuaded from using them.

1. Comparisons between pie charts are very difficult (rotation 2. If the chart has more than 3 or 4 sections then the labeling is critical.  With more than 4 sections, the labels often collide (see the example graph).  Stacked bar graphs are considerably easier to read and compare.

I will outline this in the comparative pie chart section. Chrispounds 01:05, 18 March 2006 (UTC)

data on usability of pie charts
I'm not sure where it started - tufte or earlier, but there seems to be a dataless prejudice against pie charts. wikipedia has several sources on how people percieve areas and angles and lines, but I havn't seen a study where some one asks users to evaluate the data in pie charts and some other form