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Take 1: Jaccard coefficient

  • Recall from Lecture 3: A commonly used measure of overlap of two sets A and B

  • jaccard(A,B) = |A B| / |A B|

  • jaccard(A,A) = 1

  • jaccard(A,B) = 0 if A ∩ B =

  • A and B don’t have to be the same size.

  • Always assigns a number between 0 and 1.


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