Finally revealed: the optimal number of categories in a pie chart

It’s very simple, really: you do not compare proportions in a pie chart. Because a pie chart is not a comparison chart, it’s a part-to-whole chart. When you do this: what you really want to do is to compare each slice to the whole, like this: because, if you want to compare them you must … Read more

16 creative pie charts to spice up your next infographic

We know how popular pie charts are in business presentations, but pie charts and infographics is a marriage made in heaven. Let me share with you 16 cool ideas to add pie charts to your next infographic. I’ll add a brief comment to tell you what makes each unique and link-worthy. Please note that these are simple … Read more

Stephen Few, Data Visualization, Eye Candy and the Pie

Stephen Few left a comment in my post “Is Data Visualization Useful? You’ll Have to Prove it“. We all have much to learn with Steve, so instead of leaving the discussion buried in an old post, I thought it would be interesting to make it more visible. Please read the comment then come here and … Read more

How to Make Better Pie Charts with On-Demand Details

This article goes much against conventional wisdom about pie charts (and doughnut charts) by answering these two simple questions: Can we use a large number of categories in pie charts? (Yes, we can.) Can we make a productive use of the apparently useless doughnut chart? (Yes, we can.) Disclaimer (Sort of…) Let me start by … Read more

The Best Pie Charts Come From Germany

Best Pie Chart Award (clean and balanced. Your perception may not be great at comparing angles, but who cares?)   2th Place (also nice, but too many slices, and I don’t like the title around the pie)   Lateral Pie-Thinking Award (well, perhaps someone just messed up the template)   Designer’s Pie Charts Award (data? … Read more