Got it. Thank you Max. James
On Wed, Feb 13, 2013 at 1:30 PM, Max Kuhn <mxk...@gmail.com> wrote: > > > @Max - Thanks a lot for your help. I have already been using that website >> as a reference, and it's incredibly helpful. I have also been experimenting >> with tuneGrid already. My question was specifically if tuneGrid (or caret >> in general) supports passing method parameters to the method functions from >> each package other than those listed in the CARET documentation (e.g. I >> would like to specify sampsize and nodesize for randomForest, and not just >> mtry). >> >> > Yes. A custom method is how you do that. > > >> Thanks, >> >> James >> >> >> >> >> >> >> On Wed, Feb 13, 2013 at 1:07 PM, Max Kuhn <mxk...@gmail.com> wrote: >> >>> James, >>> >>> You really need to read the documentation. Almost every question that >>> you have has been addressed in the existing material. For this one, there >>> is a section on custom models here: >>> >>> http://caret.r-forge.r-project.org/training.html >>> >>> Max >>> >>> >>> On Wed, Feb 13, 2013 at 9:58 AM, James Jong <ribonucle...@gmail.com>wrote: >>> >>>> The documentation for caret::train shows a list of parameters that one >>>> can >>>> tune for each method classification/regression method. For example, for >>>> the method randomForest one can tune mtry in the call to train. But the >>>> function call to train random forests in the original package has many >>>> other parameters, e.g. sampsize, maxnodes, etc. >>>> >>>> Is there **any** way to access these parameters using train in caret? >>>> (Is >>>> the function caret::createGrid limited to the list of parameters >>>> specified >>>> in the caret documentation, it's not super clear if the list of >>>> parameter >>>> is for all the caret APIs). >>>> >>>> Thanks, >>>> >>>> James, >>>> >>>> [[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. >>>> >>> >>> >>> >>> -- >>> >>> Max >>> >> >> > > > -- > > Max > [[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.