[R] memory limit

[Uwe Ligges]

On 08.05.2010 18:52, Zoppoli, Gabriele (NIH/NCI) [G] wrote:
>
> Hi,
>
> when I try to import a microarray CEL batch, I get this error message:
>
>> myAB<- ReadAffy ()

This seems to be more related to the BioC mailing list.


> Error in .Call("read_abatch", filenames, rm.mask, rm.outliers, rm.extra,  :
>    cannot allocate vector of length 1287151200

This indicates that the problem is the number of elements rather than 
the amount of RAM in the first place.


> which, assuming the value is in bites, is below my RAM values (3 Gb recognized by Windows).

Probably this is 32-bit R under 32-bit Windows? See ?Memory regarding 
the restrictions here....

Uwe Ligges


>
> The isse is, when I try to do
>
>   memory.limit (size =   3000 )
>
> the error doesn't resolve, and when I type
>
>> memory.size ()
>
> I always get
> [1] 26.85
>
> I'm confused here. Can anybody help me?
>
> Thanks!
>
> Gabriele Zoppoli, MD
> Ph.D. Fellow, Experimental and Clinical Oncology and Hematology, University of Genova, Genova, Italy
> Guest Researcher, LMP, NCI, NIH, Bethesda MD
>
> Work: 301-451-8575
> Mobile: 301-204-5642
> Email: zoppolig at mail.nih.gov
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