**See also**

beta_div command

Beta diversity metrics

The Euclidean metric between samples *i and j* *is* calculated as follows.

*N* = number of OTUs.

*n*_{ki} = count of OTU *k* in sample *i*.

*S* = sum *k* = 1 .. *N* of |*n _{ki}* -

*Euclidean* = *sqrt*(*S*)