Figure 1

ROC plot for trait D The x-axis is the average observed false positive rate over 200 replicates and 50 nonassociated genes. The y-axis is the average observed true positive rate (or power) over 200 replicates and 36 truly associated genes. SNP, SNP-based method; GL, gene-based linear method; GS, gene-based similarity method; G2, gene-based two-step method.