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Brej-Kurtisova disličnost×Sorensen-Diceov koeficijent×
OblastDonošenje odlukaDonošenje odluka
PorodicaMCDMMCDM
Godina nastanka19571945
TvoracJohn Bray and John T. CurtisThorvald Sorensen and Lee Dice
TipEcological community similarity measureBinary and compositional similarity measure
Temeljni izvorBray, J. R., & Curtis, J. T. (1957). An ordination of the upland forest communities of southern Wisconsin. Ecological Monographs, 27(4), 325-349. DOI ↗Sorensen, T. (1948). A method of establishing groups of equal amplitude in plant sociology based on similarity of species content and its application to analyses of the vegetation on Danish commons. Biologiske Skrifter, 5, 1-34. link ↗
Drugi naziviBray-Curtis index, Sorensen-Bray-Curtis, percentage differenceDice coefficient, Czekanowski index, F1 similarity
Srodne31
SažetakBray-Curtis dissimilarity is a quantitative measure of compositional difference between two samples, widely used in ecology and community analysis. Introduced by John Bray and John T. Curtis in 1957 for comparing forest communities, this index ranges from 0 (identical composition) to 1 (completely different). It is sensitive to abundance differences and is particularly effective for abundance data such as species counts, microbial populations, or preference intensities.Sorensen-Dice coefficient, also called Dice coefficient or Czekanowski index, measures the similarity between two sets or samples based on presence and absence of attributes. Introduced independently by Thorvald Sorensen (1948) and Lee Dice (1945), this index ranges from 0 (completely dissimilar) to 1 (identical). It is particularly well-suited for binary presence-absence data and is the symmetric counterpart to the Bray-Curtis dissimilarity for abundance data.
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ScholarGateUporedite metode: Bray-Curtis Dissimilarity · Sorensen-Dice Coefficient. Preuzeto 2026-06-19 sa https://scholargate.app/sr/compare