"data1"
A data frame with 100 rows and 5 variables:
- biomarker
numeric from 1 to 257
- covariate_1
numeric, from 4.25 to 12.33, with effect of the cutpoint
of the biomarker
- covariate_2
numeric, from 465 to 1205, with no or small effect of
the cutpoint of the biomarker
- time
numeric, from 3 to 328
- event
numeric, 0 or 1