[BioC] ExonMap and xmap package question
Zhu, Lihua (Julie)
Julie.Zhu at umassmed.edu
Wed Dec 8 21:51:23 CET 2010
It turns out that ExonMap has been deprecated. Now I am using xmapcore and
it works so far.
Thanks so much for such a useful package!
Best regards,
Julie
On 12/8/10 1:46 PM, "Julie Zhu" <julie.zhu at umassmed.edu> wrote:
> Hi,
>
> I am trying to analyze mouse exon array moex10stv1 using exonMap and xmap.
>
> I have downloaded xmapcore_mus_musculus_60.tar.gz from
> http://xmap.picr.man.ac.uk/download#mmxmapcore,set up a local mysql database
> and environment as instructed.
>
> After obtaining a list of probes that are significant using limma, I ran the
> following exonMap functions to convert the probe ID to exon ID and
> transcript ID, but encountered following errors.
>
> ##### connection is successful
> xmapConnect("mouse")
> ### sigs are a list of probes
> sig.exons <- probeset.to.exon(sigs)
> Error in mysqlExecStatement(conn, statement, ...) :
> RS-DBI driver: (could not run statement: PROCEDURE
> xmapcore_mus_musculus_60.xmap_probesetToExon does not exist)
> sig.transcripts <- probeset.to.transcript(sigs)
> Error in mysqlExecStatement(conn, statement, ...) :
> RS-DBI driver: (could not run statement: PROCEDURE
> xmapcore_mus_musculus_60.xmap_probesetToTranscript does not exist)
>
> Looks like the mapping tables are missing. If that is the issue, where
> should I download the missing mapping tables?
>
> Thank you very much for your help!
>
> Best regards,
>
> Julie
>
> sessionInfo()
> R version 2.11.1 (2010-05-31)
> x86_64-apple-darwin9.8.0
>
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] xmapcore_1.2.8 digest_0.4.2 IRanges_1.6.11
> [4] limma_3.4.4 mouseexonpmcdf_1.9.1 exonmap_2.6.1
> [7] RMySQL_0.7-5 DBI_0.2-5 RColorBrewer_1.0-2
> [10] genefilter_1.30.0 affy_1.26.1 Biobase_2.8.0
>
> loaded via a namespace (and not attached):
> [1] affyio_1.16.0 annotate_1.26.1 AnnotationDbi_1.10.2
> [4] preprocessCore_1.10.0 RSQLite_0.9-2 splines_2.11.1
> [7] survival_2.35-8 tools_2.11.1 xtable_1.5-6
>
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