  Hi Valerie,

  Thank you very much for your answer.

  I have updated R and BioC and the problem still persists. I also had a
look at the arrayQualityMetrics package, but I am quite interested in the
quality-control measures calculated by agQuality that I cannot find in the
arrayQualityMetrics.

  Thank you!

  Javier





Hi Javier,
>
> You are using an out of date version of R and Bioconductor. You should
> update to R 2.11 / BioC 2.6 or wait until next week when R 2.12 / BioC
> 2.7 will be available.
> http://www.bioconductor.org/install/index.html
>
> I would suggest using the arrayQualityMetrics package instead of
> arrayQuality.  The arrayQuality package should have the functionality
> you are looking for along with helpful documentation and active
> maintainers.
> Let me know if you have problems.
>
> Valerie
>

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