Re: [R] Classification of Imbalanced Data

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Mon 06 Feb 2006 - 22:45:45 EST


The implementation of weighted RF is still on the to-do list for the package. Use Breiman & Cutler's Fortran code for now.

Andy

From: portnoy@supereva.it
>
> Hi,
> I'm looking to perform a classification analysis on an
> imbalanced data
> set using random Forest and I'd like to reproduce the
> weighted random
> forest analysis proposed in the Chen, Liaw & Breiman paper
> "Using Random
> Forest to Learn Imbalanced Data"; can I use the R package
> randomForest
> to perform such analysis? What is the easiest way to
> accomplish this task?
> Thanks,
> Paolo Sonego
>
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>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Mon Feb 06 23:20:34 2006

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