A MMD distance matrix : elements above the diagonal are MMD values (distances), elements below the diagonal are MMD standard deviations.
Details
For more information about this package, see the full (separated) documentation written by the author (contact by email).
References
Joel D. Irish. The mean measure of divergence : its utility in model-free and model-bound analyses relative to the mahalanobis d2 distance for nonmetric traits. American Journal of Human Biology, 2010.