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Pie charts are the classic choice for showing proportions for mutually-exclusive categories. We'll show you how to use ggplot2 package to create a basic pie cha...

Every year the famed venture capitalist Mary Meeker releases her Internet Trends, a tour de force PowerPoint presentation. It’s an influential deck – this year’s…

Today is national pi day. The number, not the food. I love pie charts. I recently chanced upon some data in need of a pie chart.

Pie charts tap into our instinctive ability to assess proportions when we look at things and should be considered when we need to communicate proportions.