Hi I'm Francesco,

I'm working with two colors Array from Agilent, and specially now I'm having
some theoretic problem about the common reference to use.

I have for example three microarry coming from the same cellular culture
after 2, 4 and 6 days respectively.
I can do all my work without problems, but at the end any of the three
measurements will use his own reference.
To be rigorous it should be better to separate the channel and working with
an average of the three controls instead.

I can do thin manually working with spreadsheet an other few tools. But is
it possible to do this only on BioConductor?

I'm using Limma packages.

Thanks in advance for any Suggestion.

My best regards

Favero Francesco

*Pharmacogenomics Laboratory,
Edo Tempia Foundation,
Biella 13900, via Malta 3
Italy


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