Overlap coefficient
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The overlap coefficient,Template:Refn or Szymkiewicz–Simpson coefficient,Script error: No such module "Unsubst".[1][2][3] is a similarity measure that measures the overlap between two finite sets. It is related to the Jaccard index and is defined as the size of the intersection divided by the size of the smaller of two sets:
Note that . If set A is a subset of B or the converse, then the overlap coefficient is equal to 1.
See Also
Notes
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References
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- ↑ Simpson, G. G. (January 1943). "Mammals and the Nature of Continents". American Journal of Science. 241 (1): 1–31.
- ↑ Simpson, G. G. (July 1947). "Holarctic Mammalian Faunas and the Continental Relationships During the Cenozoic". Bulletin of the Geological Society of America. 58 (7): 613–688.
- ↑ Simpson, G. G. (1960). "Notes on the Measurement of Faunal Resemblance". American Journal of Science. 258-A: 300–311.
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