[BioC] gcrma output id

Dianjing Guo djguo at vbi.vt.edu
Tue Nov 2 17:15:21 CET 2004


I get regular yeast affy_ids such as :
[8440] "9164_at"              "9165_at"              "9166_at"
[9268] "9992_at"              "9993_at"              "9994_at"

D.

Zhijin Wu wrote:

>That is strange. GCRMA does not generate its own ids. 
>What affy ids do you get when you use geneNames(your AffyBatch object)?
>
>On Tue, 2 Nov 2004, Dianjing Guo wrote:
>
>  
>
>>No that's not the case. I'm using yeast ygs98 chip and the ids should be 
>>smaller than 9335. But what i got from gcrma are strange ids like 
>>190400, 189866, 190402 etc.
>>
>>Thanks,
>>Dianjing
>>
>>Zhijin Wu wrote:
>>
>>    
>>
>>>the rownames of exprs(gcrma_output) should be the affy_id 
>>>
>>>
>>>On Tue, 2 Nov 2004, Dianjing Guo wrote:
>>>
>>> 
>>>
>>>      
>>>
>>>>When i use gcrma to normalize my data, the result output gives id that 
>>>>doesn't match with affy_id. Anyone can point out how to match the id to 
>>>>my genes on affy chip?
>>>>
>>>>Thanks,
>>>>Dianjine
>>>>
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>>>>
>>>>   
>>>>
>>>>        
>>>>
>>    
>>



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