make_tcga_group
make tcga group for given tcga expression matrix
make_tcga_group(exp)
exp
: TCGA or TCGA_Gtex expression set from gdc or xenaa group factor with normal and tumor ,correspond to colnames for expression matrix
k = make_tcga_group(exp_hub1);table(k)
sam_filter
;match_exp_cl
Xiaojie Sun