Multiple sites of our western colleagues showed a good example that pie charts do not always work well.
Looking at the chart, visually, can you sort the segments from biggest to smallest one?
Try to do that. Then confirm your opinion with the answers below the chart.
(the right answer is A, C, D, B, E, F. By the way E and F are equal)
И вот те же графики, но с дублированием в Bar Charts, облегчающим интерпретацию
Here are the same charts but with the duplication of Bar Charts. It facilitates the interpretation.
- Infographics: the use of Pie Chart vs Bar Chart
Постараемся вывести правила использования Pie Chart, основываясь на иллюстрации выше:
So let’s try to deduce the rules of Pie Chart, based on the illustration above:
- Do not use Pie Chart, if you have more than 4 segments
- Do not use Pie Chart, if the values are close — it will be hard to see the difference
