[BioC] R crashing, updating
bmb at bmbolstad.com
Wed Apr 12 00:45:05 CEST 2006
Depending on what you want to do you may be able to skip the creation of
the AffyBatch altogether. Specifically, if you are interested in RMA or
GCRMA expression values you might get a little further down the track
using justRMA() or justGCRMA().
> (from a newbie...)
> 1. When I
> > ReadAffy(widget=T) for over about 20 HGU133aplus2 chips, I get the
> following message:
> Error: cannot allocate vector of size 232872 Kb
> In addition: Warning messages:
> 1: Reached total allocation of 1500Mb: see help(memory.size)
> 2: Reached total allocation of 1500Mb: see help(memory.size)
> I'm running Windows XP, 2Gb Ram, 3Ghz. Surely, I should be able to
> analyze more than 20 chips at a time with this system (?) I've already
> upped my memory.limit...
> Is there a cheaper way to create an Affy batch?
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