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DonutChart
You can use a donut chart to show the part-to-whole relationships or composition of an element.
Is essentially the same as a pie chart, with the same limitations, but with a couple of advantages:
- You can use the center of the chart to display more information, such as the total value or the labels for each segment.
- Humans are not good at judging angles and area of segments compared to other visual variables, like the height of a bar chart. But by removing the center of the chart, the donut chart helps people to focus on the length of the arc instead.
Usage guidelines
When to use
Questions you can answer:
- What is the composition of this data? A histogram is also appropriate to visualize the composition of a category.
- What are the proportions relative to the total?
When not to use
- If you want to compare the composition of multiple categories, use a stacked bar chart instead.