课程: How to Create Executive-Level Data Visualizations

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Problems with pies

Problems with pies

课程: How to Create Executive-Level Data Visualizations

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Problems with pies

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One day, I was joking with data colleagues that you should only use a pie chart 1% of the time. The next day I was working with a client on a data presentation and saw slide after slide of pie charts. So why do I discourage pie charts when so many people still use them? Pie charts are almost always a poor choice for visualizing data. They're not the best way to clearly represent data. If you and your executives team still love them, then make sure you're using them correctly. In today's lesson, I'll walk you through why pie charts are at the bottom of my list when presenting data and how to properly use them. When you picture an actual pie, you'll quickly see the issues with pie charts. If you cut that pie into three pieces, you know which one is the biggest, right? And what if you cut it into ten pieces of various sizes? Telling the difference in slices gets a lot harder. What if you put a second pie next to that first one and cut that second pie in a lot of pieces? Comparing slices…

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