[BioC] how to remove probeset

James W. MacDonald jmacdon at uw.edu
Fri Jun 27 16:07:19 CEST 2014

This question isn't well specified. What exactly do you mean by 
'annotation'? You don't say what array you are using either.

In future you will be much better served by making your question as 
specific as possible. Otherwise you are expecting people to infer what 
you want, and you are less likely to get a response, let alone a correct 

If I take a guess and assume you mean something like annotation == 'has 
a Gene ID', then it is pretty simple.

subeset <- featureFilter(eset, require.entrez = TRUE, remove.dupEntrez = 



On 6/26/2014 7:46 PM, Quan [guest] wrote:
> Hi,
> I want to remove the probeset which do not have annotation in feature before do the limma analysis.
> could anyone give suggestion on this problem using eset ?
> thank you
> Quan
>   -- output of sessionInfo():
> hi
> --
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James W. MacDonald, M.S.
University of Washington
Environmental and Occupational Health Sciences
4225 Roosevelt Way NE, # 100
Seattle WA 98105-6099

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