Sorensen–Dice coefficient: Difference between revisions

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felicity
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SDC = 2 × |A∩B| / (|A| + |B|)
 
it being understood thatwhere A, B and A∩B are to be understood as multisets, and that if an item, x, has multiplicity a in A and b in B, then it will have multiplicity min(a,b) in A∩B.
 
The Sørensen–Dice coefficient is thus a ratio between 0.0 and 1.0 giving the "percent similarity" between the two populations.
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