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]]

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