DESnowball-package      A R package implemented Snowball approach (see
                        references)
plotJn                  Plot Jn values
sb.expression           Gene expression data of 14 patients
sb.mutation             Mutation status of 14 patients
select.features         Compute ranking statistics, RD, and p value for
                        gene selection
snowball                main function for Snowball analysis
toplist                 select the top list of genes
