Re: [R] random forest varimp

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Fri, 04 Apr 2008 13:06:12 -0400

Please see the "Details" section of ?importance in the package.

Andy

From: helen.mills_at_yale.edu
>
> Friends,
> I have noticed that many publications that use RF report
> variable importance as
> a function of mean decrease in accuracy rather than mean
> decrease in gini. Am I
> correct that the mean decrease in accuracy is just the mean
> decrease in gini
> divided by 100?
>
> Thanks,
> Helen Mills Poulos
> Yale School of Forestry
>
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