I never have been a big fan of waffle charts:
I find it harder to read them then straightforward bar or column charts (in a similar way, pie charts are less readable)
They are a pain to maintain in PowerPoint/Keynote (counting boxes)
But, what people do to show the results of the US elections is clever. by adding the semi-saturated colours in, you get a nice sense of how things are developing:
THAT WAFFLE. https://t.co/WyBeUTxo42 pic.twitter.com/5vcRkYEPaA
— FiveThirtyEight (@FiveThirtyEight) November 7, 2018
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