Figure 9.

Effect of experimental size on number of probe sets meeting a fixed value of FDR before and after filtering. The number of probe sets meeting various Benjamini and Hochberg FDR thresholds, 0.2 (blue), 0.1 (red), and 0.05 (green) before (open symbols) and after filtering (filled symbols) by 50% Present. Number selected is average over 1000 permutations.