[R] Cforest and Random Forest memory use

[Peter Ehlers]

You say you're on a 64-bit box, but are you running 64-bit R?

   -Peter Ehlers

On 2010-06-10 4:36, Matthew OKane wrote:
> Hi all,
>
> I'm having great trouble working with the Cforest (from the party package)
> and Random forest functions.  Large data set seem to create very large model
> objects which means I cannot work with the number of observations I need to,
> despite running on a large 8GB 64-bit box.  I would like the object to only
> hold the trees themselves as I intend to export them out of R.  Is there
> anyway, either through options or editing out code and recompiling them, I
> can reduce their footprint?
>
> I've had a look at the cforest code and the culprit is the 'emsemble' area
> of the object.  I suspect this part of the object contains something related
> to the number of observations (I have savesplitstats set to FALSE so this
> shouldn't be the issue).
>
> Thanks,
> Matt