See also
beta_div command
Beta diversity metrics
The Jaccard metric
between samples i and j is calculated as follows.
N = number of OTUs.
nki = count of OTU k in sample i.
S = sum k = 1 .. N of min(nki, nkj)
T = sum k = 1 .. N of max(nki,
nkj)
Jaccard = 1 – S /
T