memory.limit may not be the correct command. I use the command 'utils::
memory.size(3*1024)' to increase my memory size after using editbin to
modify the header of R to make it LARGEADDRESSAWARE as described in the
above FAQ. I am able to read about 2.7Gb into memory that way with 4Gb of
ram. Not only am I able to read it into memory, but I can do regessions on
subsets of the data no problem.
 My question has always been, why can't R ship LARGEADDRESSAWARE for those
users who may not have access to 'editbin' type tools?
 Thanks,
 Roger


 On 9/28/05, Christina Yau <cyau@buckinstitute.org> wrote:
>
> Hi,
>
> I am running R 2.0.1.1 <http://2.0.1.1>. on Windows. It is a Dell
> Dimension with a 3.2 Ghz Processor and 4Gb RAM.
>
> When using the ReadAffy() function to read in 97 arrays, I get the below
> error messages:
> Error: cannot allocate vector of size 393529
> Reached total allocation of 1024Mb: see help(memory.size)
>
> When I use the comman "memory.limit(size=4000)" to increase the memory
> size to the maximum available, I got a "NULL" as a response.
>
> I proceeded to re-run ReadAffy(). This time, I only get the first error
> message.
> Error: cannot allocate vector of size 393529
>
> >From what I've read, this is more of a problem with Windows than with R.
> But I am wondering if there is anything I can do, either with the set up of
> R or Windows, to solve this problem and read the data set into R using this
> machine.
>
> Thank you for your attention,
> Christina
>
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