Figure 3

The histograms of the absolute standard difference estimates (x-axis) in the confirmation data set for the selected genes from the three procedures based on the test data set for the prostate tumor data. The top is the selected gene histogram by the BH procedure; the second is that by the aBH procdure; and the third is the one by our method. The similarity of the three histograms means that the additional 596 genes picked by our method should maintain the same FDR (0.01) as the other two. The bottom panel contains the next 500 genes beyond our proposed method. The left shift of this histogram means that the additional genes may contain too many false discoveries.