[R] Cycling and different xerror values in cp of rpart, which result should I trust?...

2014-12-01 Thread Levent TERLEMEZ
Dear Users, Is it possible to get cycling and different xerror scores in cp of rpart while getting the same tree on every run (or am I missing something or understood wrong)? I build it with an old version of R in a Windows VM installed on a Intel based macbook and reuse the same codes with a

Re: [R] Cycling and different xerror values in cp of rpart, which result should I trust?...

2014-12-01 Thread Prof Brian Ripley
Do see the posting guide, and do not re-post (https://stat.ethz.ch/pipermail/r-help/2014-November/423727.html). I suspect I am not alone in not knowing what you are talking about (even though I am the rpart maintainer). Please do try to explain clearly what you mean with the reproducible