[BioC] extracting probe sets corresponding to a given gene
James W. MacDonald
jmacdon at med.umich.edu
Mon Feb 20 17:16:02 CET 2006
Christos Hatzis wrote:
> Hi Jim,
> This is what I tried first, but I get an error:
> Error in get(x, envir, mode, inherits) : variable "ERS1" was not found
> I think "get" works in the reverse direction, i.e. to find a gene symbol
> that corresponds to a given probe set. I actually needed the opposite, i.e.
> given a gene, find all the probe sets from that gene on the chip.
Hmmm. Maybe I need to take up drinking coffee ;-D
Anyway, what you want to do is really the reverse of what the
environment is set up to do, so I think your solution is about as
elegant as it gets.
James W. MacDonald, M.S.
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
Ann Arbor MI 48109
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