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Structchord

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<math>D_{Structchord} = \sqrt{ \sum_{j=1}^{S_T} \left ( \frac{S_{Aj}}{\sqrt{\sum_{j=1}^{S_T} S_{Aj}^2 }} - \frac{S_{Bj}}{\sqrt{\sum_{j=1}^{S_T} S_{Bj}^2}} \right )^2 } </math>


  • where <math>S_{Aj}</math> is the abundance of sample A in the jth OTU.
  • where <math>S_{Bj}</math> is the abundance of sample B in the jth OTU.