ScholarGate
Msaidizi
MCDMSet similarity and presence-absence index

Kigezo cha Sorensen-Dice

Kigezo cha Sorensen-Dice, pia huitwa kigezo cha Dice au indexi ya Czekanowski, hupima kufanana kati ya seti mbili au sampuli kulingana na uwepo na kutokuwepo kwa sifa. Kuanzishwa kwa kujitegemea na Thorvald Sorensen (1948) na Lee Dice (1945), indexi hii inatoka 0 (tofauti kabisa) hadi 1 (sawa). Inafaa sana kwa data ya uwepo-kutokuwepo kwa binary na ni kiwakilishi sanifu cha kutofanana kwa Bray-Curtis kwa data ya wingi.

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Kigezo cha Sorensen-Dice
Tofauti ya Bray-Curtis

Vyanzo

  1. 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
  2. Dice, L. R. (1945). Measures of the amount of ecologic association between species. Ecology, 26(3), 297-302. DOI: 10.2307/1932409

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Sorensen-Dice Similarity Coefficient. ScholarGate. https://scholargate.app/sw/decision-making/sorensen-dice-coefficient

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Imerejelewa na

ScholarGateSorensen-Dice Coefficient (Sorensen-Dice Similarity Coefficient). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/decision-making/sorensen-dice-coefficient · Seti ya data: https://doi.org/10.5281/zenodo.20539026