by Jonathan Friedman
yonatan.friedman at mail.huji.ac.il
SparCC infers correlations between OTUs from 16S data, accounting for compositional effects.
The source code can be found at https://bitbucket.org/yonatanf/sparcc
Jonathan Friedman and Eric J. Alm. "Inferring correlation networks from genomic survey data." PLoS computational biology
8, no. 9 (2012): e1002687.