This is the split step, where variable in subgroups are selected
grpselect(fgrp, x, y, B = 50, parallel = TRUE)
the variable group object from `deCorr``
the predictor matrix
a dataframe of time to event and event status. The primary outcome status is coded 1, the secondary outcome as 2, etc. The censored is coded as 0.
the number of bootstraps
whether to use multiple cores for parallel computing. Default is TRUE.
a list of
fselect: Names of the selected variables.
prob: the generalized ridge variable importance.
weight: the inverse of the ridge variable importance.