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# Odum

From mothur

<math>D_{Odum} = \frac {\sum_{j=1}^{S_T} |S_{Aj} - S_{Bj}| }{\sum_{j=1}^{S_T} (S_{Aj} + S_{Bj} )} </math>

- <math>S_{Aj}</math> is the jth OTU in sample A
- <math>S_{Bj}</math> is the jth OTU in sample B