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

From: viostorm <>
Date: Sun, 08 May 2011 17:03:25 -0700 (PDT)

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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Received on Mon 09 May 2011 - 00:26:45 GMT

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