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Tableau Dashboard Cookbook by Jen Stirrup

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Eating humble pie – Pie charts or not?

Pie charts are probably the most ubiquitous data visualization form. However, their effectiveness is often debated. To summarize, humans are not very good at distinguishing and comparing area or angles. Pie charts use both these mechanisms to convey a message about the data.

People are tempted to use lots of pie charts when visualizing data. Why? Because they like them. However, pie charts take up a lot of space on a page to give one message about the data. It isn't possible, for example, to show timelines very effectively, and they can't be used to convey multidimensional data properly.

In this recipe, we will look at creating a pie chart in Tableau, and then we will take a look at a better way of visualizing ...

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