[Bioc-devel] limma and NChannelSet

[Audrey Kauffmann]

OK. Thank you Martin.

Audrey

Martin Morgan wrote:
> Audrey Kauffmann wrote:
>   
>> Dear all,
>>
>> As far as I know, RGList is the format expected from most limma
>> functions to handle two colour arrays. I was wondering if there is a
>> plan to make it possible to use limma functions on NChannelSet objects?
>>
>> Also, is the following the best way to convert a NChannelSet (NCS) into
>> a RGList?
>>
>> RG <- new("RGList", list(R = assayData(NCS)$R, G = assayData(NCS)$G))
>>     
>
> Hi Audrey --
>
> Unfortunately, NChannelSet doesn't specify the names of the channels, so
> there is no certainty that it contains R and G.
>
> The 'convert' library defines a method as(rglist, "NChannelSet") which
> might provide additional data to be moved between classes, e.g.,
>
>   library(convert)
>   selectMethod(coerce, c("RGList", "NChannelSet"))
>
> Martin
>
>   
>> Thank you,
>> Audrey
>>
>>     

-- 
Audrey Kauffmann
EMBL - EBI
Cambridge UK
+44 (0) 1223 492 631 
http://www.ebi.ac.uk/~audrey