search for: tp4627409p4629944

Displaying 1 result from an estimated 1 matches for "tp4627409p4629944".

2012 May 11
2
Random forests prediction
Hi all, I have a strange problem when applying RF in R. I have a set of variables with which I obtain an AUC of 0.67. I do have a second set of variables that have an AUC of 0.57. When I merge the first and second set of variables, the AUC becomes 0.64. I would expect the prediction to become better as I add variables that do have some predictive power? This is even more strange as the AUC