@PaigeMiller wrote:
@Reeza wrote:
Theoretical question, is a donut chart better than a pie chart?
To me it’s a bar chart with curves, and people can better interpret it compared to a pie chart. The size of a pie slice is not something human eyes are familiar with, compare to straight lines and squares. So IMO I think the donut chart is a great way to show distributions but curious as to what others think.
Well, I don't know if this is true or not, but I'm willing to believe that donut charts are better than pie charts.
The original statement (in the title) was bar charts should be replaced by donut charts, and there I am extremely skeptical. The heights of different bars are easily compared visually, but I doubt that similar information displayed in a donut chart provides easy comparisons. Bar charts can be enhanced by grid lines to further enable comparisons of different bars, I'm not aware of a similar way to enhance donut charts.
Donut charts, at least to me, have the same problem(s) as pie-charts when there are 2 or more "rings" of data and categories of similar measure are not adjacent. For instance in this slightly modified from the GCHART donut example, how easy is it to tell which of Boston or Seattle have larger sales within department or within Boston which department has greater sales? I find the only comparison between the category that defines a ring are the two that share the base line.
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