Jaccard index: Difference between revisions

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Write a program that computes the Jaccard index for every unordered pairing (e.g. only one of J(A, B) and J(B, A) need to be done) of these sets, including self-pairings.
Write a program that computes the Jaccard index for every ordered pairing (to show that J(A, B) and J(B, A) are the same) of these sets, including self-pairings.
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