News

Pie charts also do badly when there are lots of categories. For example, this chart from a study on data sources used for COVID data visualisation shows hundreds of categories in one pie.
Off the Charts is a weekly, subscriber-only guide to The Economist’ s award-winning data journalism and the ideas, processes and tools that go into creating it. Sign up for Off the Charts.
Off the Charts is a weekly, subscriber-only guide to The Economist ’s award-winning data journalism and the ideas, processes and tools that go into creating it. Sign up for Off the Charts.