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. 2015 Sep 21;17(2):205–220. doi: 10.1093/biostatistics/kxv038

Table 3.

Performance of the SMA and other methods with marginal screening under the homogeneous structure for Inline graphic

Method Inline graphic Correct_0 (%) Incorrect_0 (%) Inline graphic Prediction error
Correlation structure: auto-regressive (Inline graphic)
Raw 56.89 98.5 0.9 0.059 1.033
SMA 61.39 97.6 0.7 0.067 1.038
SMA-I 63.34 97.1 1.0 0.143 1.073
SMA-E 58.77 98.0 1.4 0.151 1.078
aLASSO-U 504.40 6.3 0 0.363 1.183
aLASSO-I 42.25 99.7 18.6 0.556 1.865
HT-U 452.30 17.1 0 0.583 1.291
HT-I 37.95 99.9 24.7 0.727 2.246
Correlation structure: auto-regressive (Inline graphic)
Raw 56.80 98.4 1.3 0.065 1.037
SMA 61.30 97.5 1.0 0.073 1.041
SMA-I 61.55 97.4 1.3 0.143 1.073
SMA-E 57.22 98.2 2.1 0.150 1.075
aLASSO-U 483.15 7.9 0.2 0.362 1.179
aLASSO-I 41.25 99.7 20.2 0.601 1.928
HT-U 441.65 16.6 0.2 0.597 1.288
HT-I 37.6 99.9 25.7 0.782 2.337
Correlation structure: compound symmetry (Inline graphic)
Raw 57.58 98.3 1.5 0.068 1.037
SMA 63.17 97.3 1.2 0.079 1.042
SMA-I 63.91 97.1 1.7 0.168 1.081
SMA-E 57.25 98.4 2.1 0.174 1.083
aLASSO-U 522.9 6.0 0.4 0.400 1.196
aLASSO-I 41.15 99.7 20.5 0.629 2.032
HT-U 464.2 17.7 0.4 0.630 1.309
HT-I 36.55 100.0 27.2 0.818 2.435
Correlation structure: compound symmetry (Inline graphic)
Raw 57.23 98.3 1.9 0.084 1.041
SMA 60.98 97.5 1.9 0.090 1.044
SMA-I 61.86 97.3 2.3 0.172 1.077
SMA-E 57.06 98.3 2.4 0.176 1.078
aLASSO-U 489.35 7.7 1.0 0.394 1.187
aLASSO-I 40.95 99.7 21.4 0.644 1.901
HT-U 452.35 15.4 1.0 0.633 1.301
HT-I 37.45 99.9 25.8 0.759 2.219

Note: Inline graphic and the sample sizes range from 400 to 600. The Correct_0 (%) and Incorrect_0 (%) were based on the dimensions after the SIS procedure. The SMA-E used an external panel of 1000 subjects.