The story
Developed independently by the botanists Thorvald Sørensen and Lee Raymond Dice in the 1940s.
Etymology from Wiktionary, CC BY-SA 4.0.
Sørensen-Dice coefficient
Today it means: 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. Full definition →