Ensembling Variable Selectors by Stability Selection for the Cox Model

Table 4

Main characteristics of the used real-world datasets.

Dataset	Number of variables	Number of samples	Training size
PBC	15 (original covariates)	276	200
	+20 (random uniform)
Lung	8 (original covariates)	167	100
	+20 (random uniform)
Rats	3 (original covariates)	300	250
	+20 (random uniform)