Hi all,
I've been using the randomForest package and I'm trying to make the switch
over to party. My problem is that I have an extremely unbalanced outcome
(only 1% of the data has a positive outcome) which makes resampling methods
necessary.
randomForest has a very useful argument that is
You might look at the 'bag' function in the caret package. It will not
do the subsampling of variables at each split but you can bag a tree
and down-sample the data at each iteration. The help page has an
examples bagging ctree (although you might want to play with the tree
depth a little).
Max
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