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. Author manuscript; available in PMC: 2021 Apr 30.
Published in final edited form as: J Am Stat Assoc. 2019 Apr 30;115(529):403–424. doi: 10.1080/01621459.2018.1555092

Table 3:

The means of predictor errors (PEs) and MSEs for our two-step procedure, and the average selected model size for our screening procedure. Their associated standard errors are in the parentheses. For each case, 100 simulated data sets are used.

(n, sn, σe2) MSE(B1) MSE(B2) MSE(B3) MSE(B4) PE Model Size
(100, 2000, 1) 15.87(3.22) 10.73(0.67) 43.52(0.46) 47.07(0.58) 1.05(0.001) 5.24(0.11)
(200, 2000, 1) 5.92(0.10) 5.10(0.11) 27.61(0.27) 28.23(0.31) 1.03(0.0003) 5.87(0.11)
(100, 5000, 1) 32.28(6.57) 12.60(1.08) 44.28(0.52) 47.14(0.65) 1.07(0.002) 5.03(0.10)
(200, 5000, 1) 5.92(0.09) 4.94(0.09) 28.03(0.29) 28.35(0.29) 1.03(0.0005) 5.83(0.13)
(100, 2000, 25) 126.17(1.84) 119.15(2.56) 227.86(1.96) 279.22(3.17) 25.99(0.027) 5.15(0.11)
(200, 2000, 25) 84.42(1.25) 73.69(1.41) 177.90(1.66) 214.67(2.15) 25.54(0.012) 5.82(0.11)
(100, 5000, 25) 136.27(3.45) 118.73(2.63) 228.65(2.19) 278.43(3.42) 26.04(0.024) 4.96(0.11)
(200, 5000, 25) 82.69(1.12) 73.53(1.37) 177.44(1.57) 211.25(2.12) 25.56(0.012) 5.75(0.13)