[BioC] Newbie Illumina Probe Annotation (beadarray) Problem

Wei Shi shi at wehi.EDU.AU
Thu Jan 29 00:27:16 CET 2009

Have you looked at the Illumina annotation file which I am sure contains 
the annotation for your probeids?


LeeH wrote:
> Hi all, I've been given an illumina dataset to process and have hit a bit of
> a stumbling block adding in probe annotation using beadarray. The chip used
> was the Illumina mouseRef-8 v1.1 expression beadchip. However, all i have is
> the summary level data, annotated with probeids of the form "ILMN_nnnnnn" &
> thats it. I've read as much documentation as i can get my hands on but still
> havent managed to add in annotations, such as refseq IDs etc. I've
> downloaded the various dbs and run annotations but all i get is the default
> of NA.I looked into the probe tables using dbGetQuery and couldnt see
> anywhere that i could map to ILMN_ ID's but I've never used this before & so
> could well be missing something.
> If anyone could point me in the direction it would be incredibly helpful.
> cheers
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