Comparison of prediction accuracies under conditions of two test data sets and the number of informative genes. (A) Blue: test Oligo data with cDNA by proposed method; Red: test cDNA data with Oligo data by proposed method; Green: test Oligo data with cDNA by ME method; Cyan: test cDNA data with Oligo data by ME method. (B) Summary of prediction accuracies using a boxplot. cDNA_R and Oligo_R are data sets transformed by the proposed method. cDNA_ME and Oligo_ME are data sets transformed by the ME method.