A comparison of the conditional inference survival forest model to random survival forests based on a simulation study as well as on two applications with time-to-event data

Table 1 Simulated time-to-event datasets

Properties of simulated time-to-event datasets
Type of covariates	Datasets	Sample size	% of censoring	Nature of the
				hazard
Binary	Data 1	100	80	Increasing
	Data 2	100	50	Decreasing
	Data 3	250	20	Constant
	Data 4	1000	80	Increasing
	Data 5	1500	50	Decreasing
	Data 6	2000	20	Constant
Polytomous	Data 1	100	20	Increasing
	Data 2	100	80	Constant
	Data 3	250	50	Decreasing
	Data 4	1000	20	Increasing
	Data 5	1500	80	Constant
	Data 6	2000	50	Decreasing
Binary & polytomous	Data 1	1000	20	Increasing
	Data 2	100	80	Decreasing
	Data 3	250	50	Constant
	Data 4	1000	20	Increasing
	Data 5	1500	80	Decreasing
	Data 6	2000	50	Constant
Interactions	Data 1	100	20	Increasing
	Data 2	100	50	Decreasing
	Data 3	1000	20	Increasing
	Data 4	1500	50	Decreasing

ISSN: 1471-2288