[R] recommendation on B for validate.lrm () ?

[viostorm]

Thanks so much for the reply it was exceptionally helpful!  A couple of
questions:

1. I was under the impression that k-fold with B=10 would train on 9/10,
validate on 1/10, and repeat 10 times for each different 1/10th.  Is this
how the procedure works in R?

2. Is the reason you recommend repeating k-fold 100 times because the
partitioning is random, ie not 1st 10th, 2nd 10, et cetera so you might
obtain slightly different results?





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