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intersection matrix
Sets down the side and across the top, with the size of each overlap written in the cell. The diagonal holds the size of each set on its own. There is no geometry to lay out, so it takes as many sets as fit on the page, and a cell reading zero is as easy to spot as a large one.
Sets down the side and across the top, with the size of each overlap written in the cell. The diagonal holds the size of each set on its own. There is no geometry to lay out, so it takes as many sets as fit on the page, and a cell reading zero is as easy to spot as a large one.
Example
Best when you want the actual count of every pairwise overlap rather than a picture of it.
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