Among these genes, gene MPO (with column number 1,720), CST3 (with column number 1,823), ZYX (with column number 4,788), CTSD (with column number 2,062), CD79A/MB-1(with column number 2,583), LYZ (with column number 6,738) in Leukemia dataset are important biomarkers as these are selected by different filter methods mentioned in Fig. S4. This evidence concerns the gene MPO and leukemia.