In short, yes.
Andy
From: Haring, Tim (LWF)>
> Hi at all,
>
> maybe this question is quite simple for a statistician, but
> for me it is not. After reading a lot of mail in the R-help
> archive I`m still not quite sure I get it.
> When applying a randomForest to a new dataset with
> predict(randomForest) I have the option to get the output as
> probability (classification problem):
> predict(myrf,...,type="prob")
> I would like to know how I have to understand this output.
> Are this values the probability of an observation belonging
> to a predicted class? Say, I have a data-point as newdata, my
> rf-model predicts Class A and the probability is 0,12301.
> Does this mean that this data-point belongs to class A only
> with a probability of 12%?
>
> Thanks for every hint.
>
> TIM
>
> Just as a matter of form: I?m using R version 2.8.1,
> randomForest package 4.5-28, OS: WinXP
>
> --------------------------------------------------------------
> ---------------------
> Tim H?ring
> Bavarian State Institute of Forest Research
> Department of Forest Ecology
> Am Hochanger 11
> D-85354 Freising
>
> E-Mail: tim.haering at lwf.bayern.de
> http://www.lwf.bayern.de
>
> ______________________________________________
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> 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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