[R] Using unbalanced-learning algorithms in the randomForest

2014-05-16 Thread Byron Dom
--- Date: Tue, 6 May 2014 22:54:22 -0700 (PDT) From: Byron Dom To: "r-help@r-project.org" Subject: [R] Using unbalanced-learning algorithms in the randomForest package. Message-ID: <1399442062.12706.yahoomail...@web142801.mail.bf1.yahoo.com&

[R] Using unbalanced-learning algorithms in the randomForest package.

2014-05-06 Thread Byron Dom
The following report by the authors of the randomForest package describes two different algorithm modifications for using random forests to learn classifiers for "unbalanced" learning problems in which one class is much less frequent than the other (in 2-class problems). These two variations a