This is the output:

 > sessionInfo()
R version 2.10.1 Patched (2009-12-29 r50852)
x86_64-apple-darwin9.8.0

locale:
[1] C/C/en_US/C/C/C

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets  methods
[8] base

other attached packages:
  [1] methylumi_1.0.0 Biobase_2.6.1   ggplot2_0.8.5   digest_0.4.2
  [5] reshape_0.8.3   plyr_0.1.9      proto_0.3-8     JGR_1.7-0
  [9] iplots_1.1-3    JavaGD_0.5-2    rJava_0.8-1

loaded via a namespace (and not attached):
[1] lattice_0.17-26 tools_2.10.1


Thanks Sean.

Paul

Sean Davis wrote:
> On Thu, Jan 14, 2010 at 10:45 PM, Paul Sanfilippo<prseye@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:
>>
>>      
>>> normalizeMethyLumiSet(meth)
>>>        
>> 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()?
>
> Thanks,
> Sean
>    

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