Re: [R] Memory problem?

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Thu, 31 Jan 2008 07:14:02 +0000 (GMT)

On Thu, 31 Jan 2008, Eleni Christodoulou wrote:

> Hello R users,
>
> I am trying to run a cox model for the prediction of relapse of 80 cancer
> tumors, taking into account the expression of 17000 genes. The data are
> large and I retrieve an error:
> "Cannot allocate vector of 2.4 Mb". I increase the memory.limit to 4000
> (which is the largest supported by my computer) but I still retrieve the
> error because of other big variables that I have in the workspace. Does
> anyone know how to overcome this problem?

Use a 64-bit version of R.

(The 'minimal information' asked for in the posting guide would have helped us give a more information answer, but likely the problem is too big for a 32-bit OS.)

>
> Many thanks in advance,
> Eleni
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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>

-- 
Brian D. Ripley,                  ripley_at_stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Thu 31 Jan 2008 - 07:19:38 GMT

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