Many thanks for the reply. So, extracting the votes, how can we clarify the classification result? If I want to predict in which class will be included an unknown sample, what is the rule that will give me that?
Thanks a lot, Chrysanthi. 2009/4/8 Liaw, Andy <andy_l...@merck.com> > The source code of the whole package is available on CRAN. All packages > are submitted to CRAN is source form. > > There's no "rule" per se that gives the final prediction, as the final > prediction is the result of plural vote by all trees in the forest. > > You may want to look at the varUsed() and getTree() functions. > > Andy > > From: Chrysanthi A. > > Hello, > > > > I am a phd student in Bioinformatics and I am using the Random Forest > > package in order to classify my data, but I have some questions. > > Is there a function in order to visualize the trees, so as to > > get the rules? > > Also, could you please provide me with the code of > > "randomForest" function, > > as I would like to see how it works. I was wondering if I can get the > > classification having the most votes over all the trees in > > the forest (the > > final rules that will give me the final classification). > > Also, is there a > > possibility to get a vector with the attributes that are > > being selected for > > each node during the construction of each tree? I mean, that > > I would like to > > know the m<<M variables that are selected at each node out of > > the M input > > attributes.. Are they selected randomly? Is there a > > possibility to select > > the same variable in subsequent nodes? > > > > Thanks a lot, > > > > Chrysanthi. > > > > [[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 attach...{{dropped:17}} ______________________________________________ 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.
