# Odum

$D_{Odum} = \frac {\sum_{j=1}^{S_T} |S_{Aj} - S_{Bj}| }{\sum_{j=1}^{S_T} (S_{Aj} + S_{Bj} )}$
• $S_{Aj}$ is the jth OTU in sample A
• $S_{Bj}$ is the jth OTU in sample B