Sorensen–Dice coefficient: Difference between revisions
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from multiset import Multiset
def tokenizetext(txt):
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arr = []
for wrd in txt.lower().split(' '):
arr += ([wrd] if len(wrd) == 1 else [wrd[i:i+2]
for i in range(len(wrd)-1)])
return Multiset(arr)
def sorenson_dice(
''' Sorenson-Dice similarity of Multisets '''
bc1, bc2 = tokenizetext(
return 2 * len(bc1 & bc2) / (len(bc1) + len(bc2))
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0.600000 Lah numbers
</pre>
=={{header|Raku}}==
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