Sorensen–Dice coefficient: Difference between revisions
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yet more typos
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SDI = 2 × (A ∩ B) / (A ⊎ B)
The Sørensen–Dice coefficient is a "percent similarity" between the two
SDI ''can'' by used for spellchecking, but it's not really good at it, especially for short words. Where it really shines is for fuzzy matching of short phrases like book or movie titles. It may not return exactly what you are looking for, but often gets remarkably close with some pretty poor inputs.
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