Figure 1.

Simulations without inclusion of baseline differences I. The allele frequency of population 0 (P₀) was analyzed with respect to (A) type I error rate (with D = 0 for d = 0, 0.1, 0.2) or (B) power of eQTL identification; upper and lower panels represent E = 0.3 and 0.5, respectively. The three color bars represent the three different testing methods as follows: purple, IG; red, QT; blue, CTWM.