[BioC] ReadAffy gives Error

James W. MacDonald jmacdon at med.umich.edu
Tue Apr 3 17:15:35 CEST 2007


Hi Boel,

Boel Brynedal wrote:
> Dear all!
> 
> I have 88 CEL files, and I'm about to do some initial quality control.
> Right now I just want to read in the raw data. I have a 64 bit Linux
> RedHat with 4GB ram. I have set the wd to the same directory as my
> files, and the following happens:
> 
> 
>>rData<-ReadAffy()
> 
> Error: cannot allocate vector of size 931491 Kb

This error indicates that you need more RAM.

> Error in isVersioned(object) : error in evaluating the argument 'object'
> in selecting a method for function 'isVersioned'

Not sure about this one. It may just be an artifact of the first error, 
or indicate a mismatch in your package versions. How did you install the 
BioC packages? What is your sessionInfo()?

Best,

Jim


> 
> Any suggestions to what is wrong? 
> As you might imagine, I am quite new in this field. 
> 
> Best regards,
> Boel Brynedal, PhD student, Karolinska Institutet, Sweden.
> 
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-- 
James W. MacDonald, M.S.
Biostatistician
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623


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