Hi,

On Saturday, January 5, 2013, varshika singh wrote:

> Dear sir/madam
> I am using library arrayQualityMetrics for quality assessment of raw data.
> I used following commands:
> > library(affy)
> > dat<-ReadAffy()
> > library(arrayQualityMetrics)
> > arrayQualityMetrics(expressionset=dat,outdir="rawreport",
> + force=TRUE,do.logtransform=TRUE)
> and it gave error as:
> Error: cannot allocate vector of size 124.0 Mb
> when i used the same for processed data i got the result. Kindly help.


You are running out of RAM. how  many arrays are you trying to process? How
much ram do you have? Are you running R as 64bit?

Also please provide the output of sessionInfo() after you have loaded
arrayQualityMetrics

-steve


Varshika Singh
> PhD Scholar
> (Banasthali university, India)
>
>         [[alternative HTML version deleted]]
>
> _______________________________________________
> Bioconductor mailing list
> Bioconductor@r-project.org <javascript:;>
> https://stat.ethz.ch/mailman/listinfo/bioconductor
> Search the archives:
> http://news.gmane.org/gmane.science.biology.informatics.conductor
>


-- 
Steve Lianoglou
Graduate Student: Computational Systems Biology
 | Memorial Sloan-Kettering Cancer Center
 | Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact

	[[alternative HTML version deleted]]

