Square four-fold chart
Four-fold charts are interesting to represent a 2 x 2 table. Weight loss for people following diet A vs diet B and exercise vs no exercise is a common example of when to use four-fold charts. They can be square or round. If you can’t find the round one it means that I’m still working in it, but it should be available soon. This chart has a 0-100 scale for each quadrant, but can be changed.
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