seandavi at gmail.com
Fri Jan 15 13:41:36 CET 2010
On Thu, Jan 14, 2010 at 10:45 PM, Paul Sanfilippo <prseye at gmail.com> wrote:
> Dear List,
> I'm attempting my first microarray analysis on a methylation dataset
> (Illumina Infinium) comprising identical twins (24 -> 12 per array). I
> thought I'd try the methylumi package - I can import the data, but when I
> try to Normalise between the two arrays I get an error:
> Error in function (classes, fdef, mtable) :
> unable to find an inherited method for function "QCdata<-", for signature
> "MethyLumiSet", "NULL"
> According to the vignette, QCdata is not required.
> I know some basics but am not an expert in R.
> Any help would be appreciated.
Paul, could you do me a quick favor and send along the output of sessionInfo()?
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