[BioC] Memory error wihle processing 35 Affymetrix cel files
Henrik Bengtsson
hb at stat.berkeley.edu
Wed Mar 28 01:11:06 CEST 2007
You can also do the obvious to delete objects/detach packages as soon
as they are not needed anymore, .e.g. 'data' is not needed in the
normalization step. Don't forget to call gc().
/Henrik
On 3/27/07, Höning, Gunther <gunther.hoening at ukmainz.de> wrote:
> Thanks for your suggestions,
> but I want to use my own summarization thus I only need the first two steps of array analysis.
> BG-correction and normalisation.
>
> data <- ReadAffy()
> eset <- bg.adjust.gcrma(data)
> eset.norm <- normalize(eset, method ="quantiles")
> .. and so on...
>
> So I can't use justRma or justgcrma.
> Thus more RAM.
>
> Thanks a lot...
>
> Gunther
>
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