[BioC] limma reading genpix files

[Heidi Dvinge]

> I also tried specifying columns as mentioned in the limma guide:
>
> RG<-read.maimages(files, columns=list(Rf="F635 Median", Gf="F532
> Median", Rb="B635 Median", Gb ="532 Median"))
>

Don't you need Gb ="B532 Median"
\Heidi

> and got
>
> Error in "[.data.frame"(obj, , columns$Gb) :
> 	undefined columns selected.
>
> I have no idea how to interpret these error messages and have to say
> that my forays into BioConductor have been a frequent exercise in
> frustration because of constant unintelligible error messages. Could
> some one please help me in solving these issues.
>
> I'm running R 1.8.0 on MacOS X and recently updated limma (1.3?)
>
> thanks
> Bryce
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>
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