单词 | similarity coefficient |
释义 | similarity coefficient [´sim·ǝ`lar·ǝd·ē ´kō·i´fish·ǝnt] SYSTEMATICS In numerical taxonomy, a factor S used to calculate the similarity between organisms, according to the formula S = ns/(ns + nd ), where ns represents the number of positive features shared by two strains, and nd represents the number of features positive for one strain and negative for the other. |
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