Similarity Indices | ||||
| Jaccard = | C N1 + N2 - C |
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| Simple Matching = | C + A N1 + N2 - C + A |
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| Dice = | 2C N1 + N2 |
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| First Kulczynski = | 2C N1 + N2 - 2C |
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| Second Kulczynski = | C(N1 + N2) 2(N1N2) |
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| Otsuka = | C ÖN1N2 |
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| Simpson = | C N1 |
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| Braun-Blanquet = | C N2 |
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| Fager = |
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C = present in both areas N1 = total present in first area N2 = total present in second area | ||||