[BioC] Affy chip annotation changes

[Martin Morgan]

On 11/01/2010 04:14 AM, Yuan Hao wrote:
> Dear list,
> 
> I've downloaded two versions of hgu133plus2 array annotation package:
> v2.2.11(R 2.9.2) and v2.4.5 (R 2.12.0). Some probe sets annotated in the
> former version are no longer supported in the recent version. For
> example, "ADAM22" was annotated by eight probe sets ("1555024_at" 
> "206615_s_at" "206616_s_at" "208226_x_at" "208227_x_at" "208237_x_at"
> "213411_at" "244194_at"), which have been reduced to six in the latest
> annotation (the last two probe sets have been missing). I would be
> grateful if someone could provide some insight about it, especially for
> this case!

There are only a few questions that have made it to the Bioconductor FAQ
so far, but this is one of them

http://bioconductor.org/help/faq/#annotation-faq

The details for this case rely on the annotation providers (affy).

Martin

> 
> Regards,
> Yuan
> 
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