Research Article

Novel Harmonic Regularization Approach for Variable Selection in Cox’s Proportional Hazards Model

Table 2

Average IBS and CI results of by the seven regularization methods on the simulated data in 500 runs.

Corr.SizeAverage IBS
SCADMCPA-LassoLenHRA


1000.0840.0940.0860.0840.0820.0910.086
1500.0810.0870.0840.080.080.0840.079
2000.0780.0860.0790.0830.0760.0780.076


1000.0960.0920.0970.0960.0940.0980.093
1500.0920.0910.0940.0940.0870.0890.09
2000.0880.0880.0860.0870.0850.0860.086


1000.1050.0980.1010.1020.0970.1010.094
1500.0980.0960.0990.1020.0920.0980.091
2000.0910.0920.0960.0960.0890.0950.09


1000.1080.1030.1080.1060.0990.010.098
1500.1010.0970.10.0960.0930.0940.097
2000.0840.0940.0860.0840.0820.0910.086

Corr.SizeAverage CI
SCADMCPA-LassoLenHRA


1000.7490.7880.8220.7570.8510.8380.845
1500.8320.8530.8690.8380.8680.8650.87
2000.850.8470.8570.8590.8640.8590.862


1000.7280.7580.7670.7160.7270.7610.763
1500.820.8410.8330.8310.8530.8470.837
2000.8470.8570.8620.8460.8690.8620.866


1000.7260.7580.7520.7450.7520.7580.748
1500.7810.8180.8210.7930.8190.8130.821
2000.7860.8350.8260.7920.8390.8240.828


1000.6990.7120.7010.6850.7190.7160.714
1500.7660.7770.8170.7880.8140.8180.814
2000.7760.8010.820.8080.8210.8190.819