[Bioc-devel] Extending annotation packages

Sean Davis sdavis2 at mail.nih.gov
Wed Jul 18 23:02:14 CEST 2007


Vincent Carey 525-2265 wrote:
>> While affy fits this model, other chips do not and I am not aware of
>> "probe" packages for anything other than affy.  I'm not averse to
>>     
>
> is the 'lumi' approach of using a hashed version of the probe sequence
> as the probe identifier at all relevant?  seems to avoid the need for
> a probe package (at least to provide the sequences and map them to
> identifiers).  [additionally, is there a proof that there are no 2 distinct
> sequences that hash to the same hash string?]
>   
I think the nuID is a base-64 encoding and not simply a hash.  Pan Du or 
Simon Lin could probably comment more fully, though.

Sean



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