Hi,
I'm trying to summarize the results of 47 cel files with the following
command:
allMtb.eset.liwong <- expresso(allMtb, normalize.method= "invariantset",
bg.correct= FALSE, pmcorrect.method= "pmonly", summary.method= "liwong")
Here is the progress report:
normalization: invariantset
PM/MM correction : pmonly
expression values: liwong
normalizing...Error: cannot allocate vector of size 360.0 Mb

My sessionInfo:
R version 2.11.1 (2010-05-31)
i386-apple-darwin9.8.0

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] mouse4302cdf_2.6.0 affy_1.26.1        Biobase_2.8.0

loaded via a namespace (and not attached):
[1] affyio_1.16.0         preprocessCore_1.10.0 tools_2.11.1

Any thoughts on how I can get around the error?
Thanks,
Anjan

-- 
===================================
anjan purkayastha, phd.
research associate
fas center for systems biology,
harvard university
52 oxford street
cambridge ma 02138
phone-703.740.6939
===================================

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