I don't think it necessary to prune trees in RF, per brieman's paper. On 3/20/09, Liaw, Andy <andy_l...@merck.com> wrote: > The way the trees are structured in randomForest, there's no way to stop > tree growth by depth (what you called level). > > (If anyone has ideas, I'm all ears.) > > Andy > > From: Anirudh Kondaveeti >> >> Hi all! >> >> The randomForest in R enables us to prune the trees using the nodesize >> feature where we can stop splitting a node if it contains >> less than the >> specified no.of of records/entities at that node. >> >> However is there a way to stop the tree growing after a >> specified number of >> levels. To be more clear on what I mean by a level. Level 0 >> is the parent >> node, Level 1 has 2 daughter nodes, Level 2 has 4 daughter >> nodes, Level 3 >> has 8 daughter nodes etc. >> >> Thanks in advance! >> >> Anirudh Kondaveeti >> ---------------------------- >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > Notice: This e-mail message, together with any attachme...{{dropped:12}} > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. >
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