Sørensen-Dice coefficient

noun

A statistic used to gauge the similarity of two samples. It is equal to twice the number of elements common to both sets, divided by the sum of the number of elements in each set.

Meanings

nounSørensen–Dice coefficient (plural Sørensen-Dice coefficients)

plural Sørensen-Dice coefficients

  1. mathematicsA statistic used to gauge the similarity of two samples. It is equal to twice the number of elements common to both sets, divided by the sum of the number of elements in each set.

    Synonyms: Dice coefficient, Dice's coefficient, Sørensen-Dice index, Sørensen index

Synonyms & antonyms

nounA statistic used to gauge the similarity of two samples. It is equal to twice the number of elements common to both sets, divided by the sum of the number of elements in each set.

Origin

Developed independently by the botanists Thorvald Sørensen and Lee Raymond Dice in the 1940s.

Full word history & related roots →
Cite this entry
APA

Sørensen-Dice coefficient. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/S%C3%B8rensen-Dice%20coefficient

MLA

“Sørensen-Dice coefficient.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/S%C3%B8rensen-Dice%20coefficient. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Sørensen-Dice coefficient,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/S%C3%B8rensen-Dice%20coefficient.

Source: Sørensen-Dice coefficient on Wiktionary, CC BY-SA 4.0.