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. 2016 Mar 13;2016:2615348. doi: 10.1155/2016/2615348

Table 1.

Simulation results for selecting k important variables among 2,000 candidates with surrogate variables included.

Statistics Bon FDR TT Bon FDR TT
Random error normally distributed

k = 10 k = 100
# incorrect 0 1 1 3 8 2
Sensitivity 0.981 0.991 0.994 0.968 0.999 0.991
Specificity 1 1 1 1 0.996 1

k = 200 k = 400
# incorrect 13 32 7 78 213 46
Sensitivity 0.936 0.998 0.982 0.814 0.996 0.931
Specificity 1 0.982 0.998 0.998 0.868 0.989

Random error χ 2 distributed (df = 1)

k = 10 k = 100
# incorrect 1 1 1 16 9 7
Sensitivity 0.892 0.958 0.963 0.837 0.982 0.941
Specificity 1 1 1 1 0.996 1

k = 200 k = 400
# incorrect 46 29 21 169 158 95
Sensitivity 0.771 0.981 0.906 0.582 0.969 0.790
Specificity 1 0.986 0.999 0.999 0.909 0.993

Bon: Bonferroni, FDR: false discovery rate, and TT: training and testing.