[R] Random Forest

Arne.Muller at sanofi-aventis.com Arne.Muller at sanofi-aventis.com
Mon Apr 23 12:43:26 CEST 2007


Maybe your binary response is a numeric vector - try converting it into
a factor with two levels. You probably want classification rather than
regression (the dependent variable should be numeric and continous)!


>-----Original Message-----
>From: r-help-bounces at stat.math.ethz.ch 
>[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Ruben Feldman
>Sent: Monday, April 23, 2007 10:28 AM
>To: r-help at stat.math.ethz.ch
>Subject: [R] Random Forest
>Hi R-wizards,
>I ran a random forest on a dataset where the response variable 
>had two possible values. It returned a warning telling me that 
>it did regression and if that was really what I wanted.
>Does anybody know what is being in terms of the algorithm when 
>it does a regression? (the random forest is used as a 
>regression, how does that work?)
>Thanks for your time!
>	[[alternative HTML version deleted]]
>R-help at stat.math.ethz.ch mailing list
>PLEASE do read the posting guide 
>and provide commented, minimal, self-contained, reproducible code.

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