NB - further information on usage in my Biostars post: https://www.biostars.org/p/273107/ Tibshirani R, Walther G, Hastie T (2001), Estimating the number of data clusters via the Gap statistic, Journal of the Royal Statistical Society B. 63: 411–423.
- Kevin Blighe (Brigham & Women's Hospital / Harvard Medical School)