Hemisphere pictorial graph (Excel chart shop x1007)

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Hemisphere pictorial graph Hemisphere pictorial graph are a standard way of representing the number of members of parliament/congress where each dot represents a single person. Consider a four-party parliament with 600 seats. You can use a doughnut chart to display the four data points, or you can represent the 600 seats [...]

Pie chart with cumulative ring (Excel chart shop x1004)

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Pie chart with ring of cumulative values Pie charts should be used wisely (=almost never) but from time to time they can be useful, especially if we take advantage of its best feature: an easy way to display cumulative values. Adding a ring displaying the cumulative value is a way of [...]

Pie chart with tick marks (Excel chart shop x1003)

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A pie chart with tick marks There is a strong consensus that our perception is bad at comparing slices in a pie chart, and that's one of the reasons why they shouldn't be used. Personally, I find their low data density much more relevant to justify not using them. Anyway, if [...]