[BioC] arrayQualityMetrics error

Paulo Nuin nuin at genedrift.org
Mon Feb 14 23:20:16 CET 2011


Hi Wolfgang

Thanks again. I tried, but I still get an error saying that Cairo cannot generate an executable (or something in that line). I compiled all libraries manually. I contacted our HPC provided and they will set me up with a newer distro of OpenSUSE so I can use this one instead.

Thanks a lot for all the help. I keep you posted if I find any problems or have any comments on the package, which looks great BTW.

Cheers
Paulo

On 2011-02-13, at 5:46 PM, Wolfgang Huber wrote:

> Dear Paulo
> 
> sorry - that was my mistake. You were right to ask that question. I had overlooked that the source version of the Cairo R package *does* of course look for cairo libraries on your system.
> 
> I don't have a CentOS system to test this, but assuming that you use bash, have you tried something like:
> 
> env CAIRO_CFLAGS="-D_REENTRANT -I/opt/local/include/cairo -I/opt/local/include/glib-2.0 -I/opt/local/lib/glib-2.0/include -I/opt/local/include -I/opt/local/include/pixman-1 -I/opt/local/include/freetype2 -I/opt/local/include/libpng14" CAIRO_LIBS="-L/opt/local/lib -lfreetype -lpng14 -lz -lXrender -lcairo -lX11" R CMD INSTALL Downloads/Cairo_1.4-6.tar.gz
> 
> This is all in one line, and the values between the "..." apply to my (Mac OS X with Mac ports) system, you'd need to replace the paths and library names with those applicable on your CentOS.
> 
> Sorry that this is so painful...
> 
> 	Wolfgang
> 
> 
> Il Feb/13/11 7:36 PM, Paulo Nuin ha scritto:
>> Hi Wolfgang
>> 
>> I know what you mean. If I try to install Cairo (the BioC package) it compiles fine, but it still relies on the cairographics that it's installed in the system:
>> 
>>> biocLite("Cairo")
>> ...
>> checking for configurable backends... cairo cairo-ft cairo-pdf cairo-png cairo-ps cairo-xlib cairo-xlib-xrender
>> configure: CAIRO_CFLAGS=-I/usr/include/cairo -I/usr/include/freetype2 -I/usr/include/libpng12
>>>> gcc -std=gnu99 -shared -L/usr/local/lib64 -o Cairo.so cairobem.o cairogd.o cairotalk.o img-backend.o img-jpeg.o img-tiff.o pdf-backend.o ps-backend.o svg-backend.o w32-backend.o xlib-backend.o -lfreetype -lfontconfig -lpng12 -lz -lXrender -lcairo -lX11 -ljpeg -ltiff
>> installing to /home/nuin/R/x86_64-unknown-linux-gnu-library/2.13/Cairo/libs
>> ** R
>> ** preparing package for lazy loading
>> ** help
>> *** installing help indices
>> ** building package indices ...
>> ** testing if installed package can be loaded
>> 
>> * DONE (Cairo)
>> 
>> CentOS "official" cairographics is 1.2.4, which is quite old. I'm not able to install a newer cairographics in /usr or I can break my system. I can compile another newer version of cairographics on /opt, but them I would have to make the BioC's Cairo to point to /opt include and library dirs.
>> 
>> Thanks again
>> 
>> Paulo
>> 
>> 
>> 
>> On 2011-02-13, at 6:22 AM, Wolfgang Huber wrote:
>> 
>>> Paulo
>>> 
>>> perhaps you are trying to make things more complicated than necessary.
>>> What happens when you enter
>>> 
>>> source("http://www.bioconductor.org/biocLite.R")
>>> biocLite("Cairo")
>>> 
>>> into your R command line?
>>> 
>>> I am not sure what you mean by 'official package', the package page on CRAN, http://cran.r-project.org/web/packages/Cairo/index.html, provides 1.4-6. I noted though that older versions are sticking around on the internet. Also note that the "Cairo" R package is not the same as the "cairo graphics library" e.g. at http://www.cairographics.org. You should not need to put anything into /opt or point R to it or anything like that.
>>> 
>>> 	Best wishes
>>> 	Wolfgang
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> Il Feb/13/11 12:16 AM, Paulo Nuin ha scritto:
>>>> Hi Wolfgang
>>>> 
>>>> I'm not able to install a newer version on my CentOS. The only
>>>> official package for Cairo is 1.2.4. I didn't find a way to compile R
>>>> and point it to a locally compiled Cairo (in /opt) and I don't know
>>>> if it's possible to manage the compilation of packages in order to
>>>> use this Cairo compile too.
>>>> 
>>>> Thanks
>>>> 
>>>> Paulo
>>>> 
>>>> 
>>>> 
>>>> On 2011-02-12, at 12:30 PM, Wolfgang Huber wrote:
>>>> 
>>>>> Dear Paulo
>>>>> 
>>>>> Can you try with a more recent "Cairo" package (i.e. 1.4-6)?
>>>>> 
>>>>> Wolfgang
>>>>> 
>>>>> Il Feb/12/11 3:29 PM, Paulo Nuin ha scritto:
>>>>>> Hi Wolfgang
>>>>>> 
>>>>>> Here's just after running ReadAffy:
>>>>>> 
>>>>>>> sessionInfo()
>>>>>> R version 2.13.0 Under development (unstable) (2011-01-30
>>>>>> r54169) Platform: x86_64-unknown-linux-gnu (64-bit)
>>>>>> 
>>>>>> locale: [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C [3]
>>>>>> LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8 [5]
>>>>>> LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8 [7]
>>>>>> LC_PAPER=en_US.UTF-8       LC_NAME=C [9] LC_ADDRESS=C
>>>>>> LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8
>>>>>> LC_IDENTIFICATION=C
>>>>>> 
>>>>>> attached base packages: [1] stats     graphics  grDevices utils
>>>>>> datasets  methods   base
>>>>>> 
>>>>>> other attached packages: [1] arrayQualityMetrics_3.4.8
>>>>>> affy_1.29.2 [3] Biobase_2.11.8
>>>>>> 
>>>>>> loaded via a namespace (and not attached): [1] affyio_1.19.4
>>>>>> affyPLM_1.27.6        annotate_1.29.2 [4] AnnotationDbi_1.13.13
>>>>>> beadarray_2.1.10      Biostrings_2.19.9 [7] Cairo_1.4-5
>>>>>> cluster_1.13.2        DBI_0.2-5 [10] genefilter_1.33.0
>>>>>> grid_2.13.0           Hmisc_3.8-3 [13] hwriter_1.3
>>>>>> IRanges_1.9.21        lattice_0.19-17 [16] latticeExtra_0.6-14
>>>>>> limma_3.7.22          marray_1.29.1 [19] preprocessCore_1.13.5
>>>>>> RColorBrewer_1.0-2    RJSONIO_0.4-1 [22] RSQLite_0.9-4
>>>>>> setRNG_2009.11-1      splines_2.13.0 [25] survival_2.36-2
>>>>>> SVGAnnotation_0.7-2   tools_2.13.0 [28] vsn_3.19.3
>>>>>> XML_3.2-0             xtable_1.5-6
>>>>>> 
>>>>>> after running arrayQualityMetrics the only difference is the
>>>>>> addition of hgu133plus2cdf_2.7.0 to the list.
>>>>>> 
>>>>>> Thanks again
>>>>>> 
>>>>>> Paulo
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> On 2011-02-11, at 6:21 PM, Wolfgang Huber wrote:
>>>>>> 
>>>>>>> Dear Paulo
>>>>>>> 
>>>>>>> what's your sessionInfo()?
>>>>>>> 
>>>>>>> Wolfgang
>>>>>>> 
>>>>>>> Il Feb/11/11 1:26 PM, Paulo Nuin ha scritto:
>>>>>>>> Hi Wolfgang
>>>>>>>> 
>>>>>>>> Indeed, if I create an X11 tunnel, everything turns ok on the
>>>>>>>> X11 side. My mistake, as the system is remote and some of the
>>>>>>>> tests we run on a local machine.
>>>>>>>> 
>>>>>>>> Nonetheless, we still find a problem at the end of the run,
>>>>>>>> and it's similar to what we experienced the first time. Here
>>>>>>>> is the error and traceback:
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> arrayQualityMetrics(rawAffyData, outdir="quality",
>>>>>>>>> force=T)
>>>>>>>> The report will be written into directory 'quality'. Error in
>>>>>>>> UseMethod("xmlAttrs", node) : no applicable method for
>>>>>>>> 'xmlAttrs' applied to an object of class "NULL"
>>>>>>>>> traceback()
>>>>>>>> 16: xmlAttrs(node, addNamespace) 15:
>>>>>>>> xmlGetAttr(clipPath[["path"]], "d") 14:
>>>>>>>> getRect(xmlGetAttr(clipPath[["path"]], "d")) 13:
>>>>>>>> getPlotRegion(n) 12: FUN(X[[1L]], ...) 11: lapply(X, FUN,
>>>>>>>> ...) 10: sapply(tmp, function(n) all(getPlotRegion(n) ==
>>>>>>>> vb)) 9: getPlotRegionNodes(doc) 8: is.vector(X) 7:
>>>>>>>> lapply(getPlotRegionNodes(doc), getPlotPoints) 6:
>>>>>>>> getPlotPoints.XMLInternalDocument(doc) 5:
>>>>>>>> annotationInfo at getPlotObjNodes(doc) 4: annotateSvgPlot(infile
>>>>>>>> = svgtemp, outfile = nameimg, outdir = outdir, annotationInfo
>>>>>>>> = module at svg, name = name) 3: reportModule(p = p, module =
>>>>>>>> modules[[i]], currentIndex = currentIndex, arrayTable =
>>>>>>>> arrayTableCompact, outdir = outdir) 2:
>>>>>>>> aqm.writereport(modules = m, arrayTable = x$pData,
>>>>>>>> reporttitle = reporttitle, outdir = outdir) 1:
>>>>>>>> arrayQualityMetrics(rawAffyData, outdir = "quality", force =
>>>>>>>> T)
>>>>>>>> 
>>>>>>>> 
>>>>>>>> I guess this is still related to Cairo's version. I will
>>>>>>>> probably try to use another version of Linux in another
>>>>>>>> machine.
>>>>>>>> 
>>>>>>>> Thanks again. If I have any comments or ideas for the
>>>>>>>> package, I let you know.
>>>>>>>> 
>>>>>>>> Cheers Paulo
>>>>>>>> 
>>>>>>>> On 2011-02-10, at 3:19 PM, Wolfgang Huber wrote:
>>>>>>>> 
>>>>>>>>> Paulo
>>>>>>>>> 
>>>>>>>>> what happens if you type
>>>>>>>>> 
>>>>>>>>> system("xclock&")
>>>>>>>>> 
>>>>>>>>> (Or, in the Unix shell, simply "xclock&"). Do you see a
>>>>>>>>> clock?
>>>>>>>>> 
>>>>>>>>> One possible explanation, if you are logging into a server
>>>>>>>>> remotely, that you have not enable X11 forwarding.
>>>>>>>>> 
>>>>>>>>> Why R's png() device needs an X11 server is a different
>>>>>>>>> story...
>>>>>>>>> 
>>>>>>>>> Best wishes Wolfgang
>>>>>>>>> 
>>>>>>>>> Il Feb/10/11 9:11 PM, Paulo Nuin ha scritto:
>>>>>>>>>> Hi Wolfgang
>>>>>>>>>> 
>>>>>>>>>> Thanks a lot for your message. I was able to install this
>>>>>>>>>> version, both on a release version and on a devel version
>>>>>>>>>> of R, but I'm running into an error again:
>>>>>>>>>> 
>>>>>>>>>>> arrayQualityMetrics(rawAffyData, outdir="quality",
>>>>>>>>>>> force=T)
>>>>>>>>>> The report will be written into directory 'quality'.
>>>>>>>>>> Error in X11(paste("png::", filename, sep = ""), width,
>>>>>>>>>> height, pointsize,  : unable to start device PNG In
>>>>>>>>>> addition: Warning message: In png(file = nameimg, h = h *
>>>>>>>>>> dpi, w = w * dpi) : unable to open connection to X11
>>>>>>>>>> display ''
>>>>>>>>>> 
>>>>>>>>>> Here are the capabilities
>>>>>>>>>> 
>>>>>>>>>>> capabilities()
>>>>>>>>>> jpeg      png     tiff    tcltk      X11     aqua
>>>>>>>>>> http/ftp  sockets TRUE     TRUE     TRUE    FALSE
>>>>>>>>>> FALSE    FALSE     TRUE     TRUE libxml     fifo   cledit
>>>>>>>>>> iconv      NLS  profmem    cairo TRUE     TRUE     TRUE
>>>>>>>>>> TRUE     TRUE    FALSE     TRUE
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> Both versions are the same. I don't know if the error is
>>>>>>>>>> due to X11 being FALSE. I don't understand why X11 is
>>>>>>>>>> showing as FALSE, as the binaries were compiled with the
>>>>>>>>>> --with-x flag, and at the end of configure we got
>>>>>>>>>> 
>>>>>>>>>> Interfaces supported:      X11 External libraries:
>>>>>>>>>> readline Additional capabilities:   PNG, JPEG, TIFF, NLS,
>>>>>>>>>> cairo Options enabled:           shared BLAS, R
>>>>>>>>>> profiling
>>>>>>>>>> 
>>>>>>>>>> All X11 (xorg-devel) libraries are installed.
>>>>>>>>>> 
>>>>>>>>>> Thanks again for the help.
>>>>>>>>>> 
>>>>>>>>>> Cheers Paulo
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> On 2011-02-10, at 1:26 PM, Wolfgang Huber wrote:
>>>>>>>>>> 
>>>>>>>>>>> Dear Paulo
>>>>>>>>>>> 
>>>>>>>>>>> there have been many improvements on the package since
>>>>>>>>>>> the last release, and I would recommend trying the
>>>>>>>>>>> devel version>=3.4.8
>>>>>>>>>>> 
>>>>>>>>>>> http://bioconductor.org/help/bioc-views/2.8/bioc/html/arrayQualityMetrics.html
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>> which afaIcs will run well on R 2.12. One of the advantages is that it uses Simon Urbanek's "Cairo" package, which brings its own cairo library rather than relying on what it finds on the host system [1] - this should solve your problem.
>>>>>>>>>>> 
>>>>>>>>>>> The package is in a state of beta-testing, with - the
>>>>>>>>>>> presentation of the outlier detection in the reports
>>>>>>>>>>> not yet fully cooked, - and I am not yet sure whether&
>>>>>>>>>>> how well it works on 64bit Windows.
>>>>>>>>>>> 
>>>>>>>>>>> I hope to finalise this within a week or three; any
>>>>>>>>>>> user experiences and comments are welcome.
>>>>>>>>>>> 
>>>>>>>>>>> A sneal preview of the new reports is here [2].
>>>>>>>>>>> 
>>>>>>>>>>> Wolfgang
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> [1]
>>>>>>>>>>> https://stat.ethz.ch/pipermail/bioconductor/attachments/20110128/ca068c82/attachment.pl
>>>>>>>>>>> 
>>>>>>>>>>> 
>>> [2] http://www-huber.embl.de/users/whuber/pub/Report%20for%20nCCl4%20with%20RIN
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> Paulo Nuin scripsit 10/02/11 02:10:
>>>>>>>>>>>> Hi James
>>>>>>>>>>>> 
>>>>>>>>>>>> I checked our Cairo version, and it seems quite old.
>>>>>>>>>>>> I'm checking the best way to update, as we are using
>>>>>>>>>>>> CentOS official package. If the problem persists
>>>>>>>>>>>> after upgrade, I will report to the list.
>>>>>>>>>>>> 
>>>>>>>>>>>> Thanks a lot for your help.
>>>>>>>>>>>> 
>>>>>>>>>>>> Paulo
>>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>>>>>>>>> On 2011-02-09, at 4:03 PM, James F. Reid wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>>> Hi Paulo,
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> On 02/09/2011 09:38 PM, Paulo Nuin wrote:
>>>>>>>>>>>>>> Hi everyone
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> We just got a new HPC system to speed up our
>>>>>>>>>>>>>> analysis, but we are having some problems with
>>>>>>>>>>>>>> the end part of a arrayQualityMetrics run.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> It goes fine until section 5, were it is
>>>>>>>>>>>>>> interrupted by an error
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> arrayQualityMetrics(rawAffyData,
>>>>>>>>>>>>>>> outdir="quality", force=T)
>>>>>>>>>>>>>> The report will be written into directory
>>>>>>>>>>>>>> 'quality'. [[1]]
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> [[2]]
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> [[3]]
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> [[4]]
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Error in UseMethod("xmlAttrs", node) : no
>>>>>>>>>>>>>> applicable method for 'xmlAttrs' applied to an
>>>>>>>>>>>>>> object of class "NULL" In addition: There were 39
>>>>>>>>>>>>>> warnings (use warnings() to see them)
>>>>>>>>>>>>> 
>>>>>>>>>>>>> The same happened on my system, the problem was a
>>>>>>>>>>>>> very old version of cairo, see this thread:
>>>>>>>>>>>>> https://stat.ethz.ch/pipermail/bioconductor/2010-October/036143.html
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>> Either upgrade if you can or try using the devel version which I believe detects the capabilites of the system before running and producing annotated svg figures or not.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> HTH, James.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Our sessionInfo and capabilities are below. R is
>>>>>>>>>>>>>> compiled natively and most of the required
>>>>>>>>>>>>>> libraries are present and compiled with the
>>>>>>>>>>>>>> system. Any help is appreciated.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Cheers Paulo
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> capabilities()
>>>>>>>>>>>>>> jpeg      png     tiff    tcltk      X11     aqua
>>>>>>>>>>>>>> http/ftp  sockets TRUE     TRUE     TRUE    FALSE
>>>>>>>>>>>>>> TRUE    FALSE     TRUE     TRUE libxml     fifo
>>>>>>>>>>>>>> cledit    iconv      NLS  profmem    cairo TRUE
>>>>>>>>>>>>>> TRUE     TRUE     TRUE     TRUE    FALSE
>>>>>>>>>>>>>> TRUE
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> sessionInfo()
>>>>>>>>>>>>>> R version 2.12.1 (2010-12-16) Platform:
>>>>>>>>>>>>>> x86_64-unknown-linux-gnu (64-bit)
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> locale: [1] LC_CTYPE=en_US.UTF-8
>>>>>>>>>>>>>> LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8
>>>>>>>>>>>>>> LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=C
>>>>>>>>>>>>>> LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8
>>>>>>>>>>>>>> LC_NAME=C [9] LC_ADDRESS=C
>>>>>>>>>>>>>> LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8
>>>>>>>>>>>>>> LC_IDENTIFICATION=C
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> attached base packages: [1] stats     graphics
>>>>>>>>>>>>>> grDevices utils     datasets  methods   base
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> other attached packages: [1] hgu133plus2cdf_2.7.0
>>>>>>>>>>>>>> arrayQualityMetrics_3.2.4 [3] vsn_3.18.0
>>>>>>>>>>>>>> affyPLM_1.26.0 [5] preprocessCore_1.12.0
>>>>>>>>>>>>>> gcrma_2.22.0 [7] affy_1.28.0
>>>>>>>>>>>>>> Biobase_2.10.0
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> loaded via a namespace (and not attached): [1]
>>>>>>>>>>>>>> affyio_1.18.0        annotate_1.28.0
>>>>>>>>>>>>>> AnnotationDbi_1.12.0 [4] beadarray_2.0.3
>>>>>>>>>>>>>> Biostrings_2.18.2    DBI_0.2-5 [7]
>>>>>>>>>>>>>> genefilter_1.32.0    grid_2.12.1
>>>>>>>>>>>>>> hwriter_1.3 [10] IRanges_1.8.8
>>>>>>>>>>>>>> KernSmooth_2.23-4    lattice_0.19-13 [13]
>>>>>>>>>>>>>> latticeExtra_0.6-14  limma_3.6.9
>>>>>>>>>>>>>> marray_1.28.0 [16] RColorBrewer_1.0-2
>>>>>>>>>>>>>> RSQLite_0.9-4        simpleaffy_2.26.1 [19]
>>>>>>>>>>>>>> splines_2.12.1       stats4_2.12.1
>>>>>>>>>>>>>> survival_2.36-2 [22] SVGAnnotation_0.7-2
>>>>>>>>>>>>>> tools_2.12.1         XML_3.2-0 [25] xtable_1.5-6
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Bioconductor mailing list
>>>>>>>>>>>>>> Bioconductor at r-project.org
>>>>>>>>>>>>>> https://stat.ethz.ch/mailman/listinfo/bioconductor
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> 
>>> Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor
>>>>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Bioconductor mailing list Bioconductor at r-project.org
>>>>>>>>>>>> https://stat.ethz.ch/mailman/listinfo/bioconductor
>>>>>>>>>>>> Search the archives:
>>>>>>>>>>>> http://news.gmane.org/gmane.science.biology.informatics.conductor
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>>> 
>>> --
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> Wolfgang Huber EMBL
>>>>>>>>>>> http://www.embl.de/research/units/genome_biology/huber
>>>>>>>>>>> 
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Bioconductor mailing list Bioconductor at r-project.org
>>>>>>>>>>> https://stat.ethz.ch/mailman/listinfo/bioconductor
>>>>>>>>>>> Search the archives:
>>>>>>>>>>> http://news.gmane.org/gmane.science.biology.informatics.conductor
>>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>>> 
>>> --
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> Wolfgang Huber EMBL
>>>>>>>>> http://www.embl.de/research/units/genome_biology/huber
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>>> --
>>>>>>> 
>>>>>>> 
>>>>>>> Wolfgang Huber EMBL
>>>>>>> http://www.embl.de/research/units/genome_biology/huber
>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>> 
>>>>> --
>>>>> 
>>>>> 
>>>>> Wolfgang Huber EMBL
>>>>> http://www.embl.de/research/units/genome_biology/huber
>>>>> 
>>>>> 
>>>> 
>>> 
>>> --
>>> 
>>> 
>>> Wolfgang Huber
>>> EMBL
>>> http://www.embl.de/research/units/genome_biology/huber
>>> 
>>> 
>> 
> 
> -- 
> 
> 
> Wolfgang Huber
> EMBL
> http://www.embl.de/research/units/genome_biology/huber
> 
> 



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