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Karine Joly's profile photoPhil Wilson's profile photo
Thanks for this Karine, the results are really interesting, but the 3D pie charts make it pretty hard to do meaningful visual comparisons (which is what I guess they're there for) - there's some research around this which I can't find immediately but I assure you it exists!
Show me the research, Phil! I will probably release more details later in an article.
It's only a minor criticism, but I do think it would help legibility.

My go-to reference is normally: since the example it gives is based on real-life:

Only the abstract is available, but that should be informative enough:

There's also a little in "The dark side of information visualization" here and it comes up in
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