Joint Modelling Approaches to Survival Analysis via Likelihood-Based Boosting Techniques

Table 2

Shrinkage and variable selection properties regarding the longitudinal and survival outcomes averaged over 100 simulation runs of the high-dimensional scenario.

	(sd)	(sd)	(sd)	(sd)	TP	FDR
True	2	1	2	1
lbbJM^a	1.748	0.868	1.843	0.875	1.00	0.36	124.2
	(0.20)	(0.14)	(0.14)	(0.14)
lbbJM^b	1.991	1.008	1.982	1.011	—	—	—
	(0.08)	(0.13)	(0.16)	(0.15)
	(sd)	(sd)	(sd)	(sd)	TP	FDR
True	0.5	1	2	-2
lbbJM^a	0.307	0.512	1.242	-1.216	1.00	0.70	136.7
	(0.06)	(0.12)	(0.16)	(0.13)
lbbJM^b	0.285	0.498	1.215	-1.191	1.00	0.67	127.0
	(0.05)	(0.13)	(0.15)	(0.13)
glmnet	0.293	0.627	1.449	-1.422	1.00	0.83	—
	(0.08)	(0.18)	(0.30)	(0.28)