Dice coefficient

noun

noun

Synonym of Sørensen-Dice coefficient.

The Dice coefficient normalizes for length by dividing by the total number of non-zero entries. We multiply by 2 so that we get a measure that ranges from 0.0 to 1.0 with 1.0 indicating identical vectors.1991, Christopher D. Manning, Hinrich Schütze, Foundations of Statistical Natural Language Processing, Cambridge, Mass.: MIT Press, →ISBN, page 299:

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