[BioC] hgu133plus2cdf
Joseph S. Verducci
jsv at stat.ohio-state.edu
Tue Jan 31 20:40:47 CET 2006
Thanks to James and Kasper for pointing out the distinction between
the cdf and annotation packages.
Joe
_______________________
On Tue, 2006-01-31 at 10:06 -0800, Kasper Daniel Hansen wrote:
> You are confusing an annotation package with a cdf package. The
> annotation package contains all the symbols, where the cdf package
> contains information about which probes are PM/MM and how they are
> bundled together in probesets (probing genes).
>
> Use hgu133plus2 instead, and just for the sake of it, compare
> hgu133plus with hgu95av2 and hgu133plus2cdf with hgu95av2cdf
>
> There is a third kind of package, the probe package
> (hgu133plus2probe) containing information on the actual sequences
> synthezised on the array.
>
> /Kasper
>
>
>
> On Jan 30, 2006, at 8:18 PM, jsv at stat.ohio-state.edu wrote:
>
> > I'm having trouble getting symbols for this chip. I've loaded the
> > hgu133plus2cdf package:
> >
> >> sessionInfo()
> > R version 2.2.0, 2005-10-06, i386-pc-mingw32
> >
> > attached base packages:
> > [1] "tools" "methods" "stats" "graphics" "grDevices"
> > "utils"
> > "datasets"
> > [8] "base"
> >
> > other attached packages:
> > hgu95av2 annaffy KEGG GO
> > hgu133plus2cdf
> > affy
> > "1.10.0" "1.2.0" "1.10.0" "1.10.0"
> > "1.10.0"
> > "1.8.1"
> > Biobase
> > "1.8.0"
> >
> > The problem comes when I try
> >
> >> g.symbols <- aafSymbol(gn,"hgu133plus2cdf")
> > Error in mget(c("1007_s_at", "1053_at", "117_at", "121_at",
> > "1255_g_at", :
> > object "hgu133plus2cdfSYMBOL" not found
> >
> >
> > The package has the following objects:
> >
> >> objects("package:hgu133plus2cdf")
> > [1] "hgu133plus2cdf" "i2xy" "xy2i"
> >
> > This seems particularly sparse, compared to, say,
> >
> > objects("package:hgu95av2")
> > [1] "hgu95av2" "hgu95av2ACCNUM" "hgu95av2CHR"
> > "hgu95av2CHRLENGTHS"
> > [5] "hgu95av2CHRLOC" "hgu95av2ENZYME"
> > "hgu95av2ENZYME2PROBE"
> > "hgu95av2GENENAME"
> > [9] "hgu95av2GO" "hgu95av2GO2ALLPROBES" "hgu95av2GO2PROBE"
> > "hgu95av2LOCUSID"
> > [13] "hgu95av2MAP" "hgu95av2MAPCOUNTS" "hgu95av2OMIM"
> > "hgu95av2ORGANISM"
> > [17] "hgu95av2PATH" "hgu95av2PATH2PROBE" "hgu95av2PFAM"
> > "hgu95av2PMID"
> > [21] "hgu95av2PMID2PROBE" "hgu95av2PROSITE" "hgu95av2QC"
> > "hgu95av2QCDATA"
> > [25] "hgu95av2REFSEQ" "hgu95av2SUMFUNC" "hgu95av2SYMBOL"
> > "hgu95av2UNIGENE"
> >
> >
> > Interestingly,
> >
> > g.symbols <- aafSymbol(gn,"hgu95av2")
> >
> > finds about 300 gene symbols using the older probe identifiers.
> >
> > Any help on finding and loading the latest version of
> > hgu133plus2cdf onto
> > a Windows XP system, or finding some other way to get the symbols
> > would be
> > much appreciated.
> >
> > Joe Verducci
> >
> > _______________________________________________
> > Bioconductor mailing list
> > Bioconductor at stat.math.ethz.ch
> > https://stat.ethz.ch/mailman/listinfo/bioconductor
>
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--
Joseph S. Verducci <jsv at stat.ohio-state.edu>
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