Measures of selection as a function of sample size for the measurement matrix of random genomic SNPs. Fixing s = 125 and p = 8,027, we measured the selection of true nonzero coefficients according to four metrics for h
2 = 1 (A-B) and h
2 = 0.5 (C-D). Shown in (A-C) is the normalized error of the coefficients (NE). Shown in (B-D) are the positive predictive value (PPV, blue dots), false positive rate (FPR, green dots), and median P -value (μ
P − value, green asterisks). The point n = 1, 000 corresponds to (ρ = 0.125, δ = 0.125) and n = 5, 000 to (ρ = 0.025, δ = 0.625) noted in Figure 1
A and B respectively.