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 Häring > Bavarian State Institute of Forest Research > Department of Forest Ecology > Am Hochanger 11 > D-85354 Freising > > E-Mail: tim.haer...@lwf.bayern.de > http://www.lwf.bayern.de > > ______________________________________________ > 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.
