[R] random forest regression

Liaw, Andy andy_liaw at merck.com
Wed Nov 15 16:02:07 CET 2006

One way is to graft the stratified sampling code from the classification
part onto the regression part.  I will get to it eventually, but just
not now.


From: Naiara Pinto
> Dear all,
>  I am doing a regression in ramdomForest, using the option 
> "sampsize" reduce the number of records used to produce the 
> randomForest object.
> The manual says "For classification, if sampsize is a vector 
> of the length the number of strata, then sampling is 
> stratified by strata, and the elements of sampsize indicate 
> the numbers to be drawn from the strata".  I need my sampling 
> to be done with factors, but I am doing a regression. Does 
> anyone know a way to do that?
> Thanks,
> Naiara.
> 	[[alternative HTML version deleted]]
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