12/11/2018 v1.1.0 Updates in this version include 1) Relative abaundance table is used as input. 2) Variable "Others", which is the sum of all the variables except for the selected features, is not considered as a feature in this version. 3) Ten fold validation function is temporarily disabled. 4) Pi score instead of the wilcoxon p value is used to rank the importantce of features (Xiao Y, Hsiao TH, Suresh U, et al. A novel significance score for gene selection and ranking. Bioinformatics. 2012;30(6):801-7. )