[R] memory problems when combining randomForests [Broadcast]

Liaw, Andy andy_liaw at merck.com
Thu Jul 27 02:12:29 CEST 2006

You need to give us more details, like how you call randomForest, versions
of the package and R itself, etc.  Also, see if this helps you:

From: Eleni Rapsomaniki
> Dear all,
> I am trying to train a randomForest using all my control data 
> (12,000 cases, ~ 20 explanatory variables, 2 classes). 
> Because of memory constraints, I have split my data into 7 
> subsets and trained a randomForest for each, hoping that 
> using combine() afterwards would solve the memory issue. 
> Unfortunately,
> combine() still runs out of memory. Is there anything else I 
> can do? (I am not using the formula version)
> Many Thanks
> Eleni Rapsomaniki
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