[R] Specifying suitable PC to run R

[Roger D. Peng]

On Windows, I find that having as much memory as I can possibly afford 
makes a real difference with R.  Since I always end up having larger 
datasets/problems then I thought I'd have.  My general strategy is to 
maximize the amount of memory first -- if that doesn't work, then think 
about getting a faster processor.

-roger

Michael Dewey wrote:

> If I am buying a PC where the most compute intensive task will be 
> running R and I do not have unlimited resources what trade-offs should 
> I make?
> Specifically should I go for
> 1 - more memory, or
> 2 - faster processor, or
> 3 - something else?
> If it makes a difference I shall be running Windows on it and I am 
> thinking about getting a portable which I understand makes upgrading 
> more difficult.
>
> Extra background: the tasks I notice going slowly at the moment are 
> fitting models with lme which have complex random effects and 
> bootstrapping. By the standards of r-help posters I have small 
> datasets (few thousand cases, few hundred variables). In order to 
> facilitate working with colleagues I need to stick with windows even 
> if linux would be more efficient
>
>
> Michael Dewey
> med at aghmed.fsnet.co.uk
> http://www.aghmed.fsnet.co.uk/home.html
>
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