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Jaccard index. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
Developed by Swiss botanist Paul Jaccard (1868–1944), who gave it the French name coefficient de communauté.
Noun
Jaccard index (plural Jaccard indexes or Jaccard indices)
- (statistics) A statistic for gauging the similarity and diversity of sample sets, based on the size of the intersection between the sets divided by the size of the union of the sets.
- Synonym: Jaccard coefficient