Joe, I'm guessing you are doing a 2-category problem. The three lines are OOB errors for overall error and each of the two categories.
There is only one default value of mtry. You can specify a different mtry when the forest is built (in your call to randomForest()), but it applies to the entire forest. On 3/15/07, Joseph Retzer <[EMAIL PROTECTED]> wrote: > When using the plot.randomForest method, 3 error series (by number of trees) > are plotted. I suspect they are associated with the 3 default values of mtry > that are used, for example, in the tuneRF method but I'm not sure. Could > someone confirm? > > Also, is it possible to force different values of mtry to be used when > creating the plots? I specified them explicitly in the randomForest statement > but it did not seem to have an effect. > Many thanks, > Joe Retzer > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > -- HTH, Jim Porzak Loyalty Matrix Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak ______________________________________________ R-help@stat.math.ethz.ch 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.
