[BioC] problems with Affy vignette and affybatch objects

James W. MacDonald jmacdon at med.umich.edu
Mon Oct 30 20:55:04 CET 2006


Hi Jenny,

I wonder if you need to upgrade to a newer version of Biobase?

 > library(affydata)
 > data(Dilution)
 > Dilution
AffyBatch object
size of arrays=640x640 features (12808 kb)
cdf=HG_U95Av2 (12625 affyids)
number of samples=4
number of genes=12625
annotation=hgu95av2
 > sessionInfo()
R version 2.4.0 RC (2006-09-29 r39557)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United 
States.1252;LC_MONETARY=English_United 
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] "tools"     "methods"   "stats"
[4] "graphics"  "grDevices" "utils"
[7] "datasets"  "base"

other attached packages:
hgu95av2cdf    affydata        affy      affyio
    "1.14.0"    "1.10.0"    "1.12.0"     "1.2.0"
     Biobase
    "1.12.2"

Best,

Jim

Jenny Drnevich wrote:
> Hi,
> 
> There's some problem with the default value for affybatch objects (if this 
> is the correct description) that's appeared in affy 1.12.0, which also can 
> be seen in the affy vignette. Previously, when I typed in the name of an 
> affybatch object at the command line, I'd get the same output as if I had 
> put 'show(abatch)':
> 
>  > raw
> AffyBatch object
> size of arrays=602x602 features (53806 kb)
> cdf=RAE230A (15923 affyids)
> number of samples=19
> number of genes=15923
> annotation=rae230a
> 
>  > show(raw)
> AffyBatch object
> size of arrays=602x602 features (53806 kb)
> cdf=RAE230A (15923 affyids)
> number of samples=19
> number of genes=15923
> annotation=rae230a
> 
>  > sessionInfo()
> Version 2.3.1 Patched (2006-08-06 r38829)
> i386-pc-mingw32
> 
> attached base packages:
> [1] "splines"   "tools"     "methods"   "stats"     "graphics"  "grDevices"
> [7] "utils"     "datasets"  "base"
> 
> other attached packages:
>     rae230acdf  affyQCReport    simpleaffy    reposTools         made4
>       "1.12.0"      "1.10.0"       "2.6.0"      "1.10.0"       "1.6.0"
> scatterplot3d          ade4       affyPLM         gcrma   matchprobes
>       "0.3-24"       "1.4-1"       "1.8.0"       "2.4.1"       "1.4.0"
>       affydata affycoretools       GOstats      Category      hgu95av2
>        "1.8.0"       "1.4.0"       "1.6.0"       "1.4.1"      "1.12.0"
>           KEGG      multtest    genefilter      survival        xtable
>       "1.12.0"      "1.10.2"      "1.10.1"        "2.26"       "1.3-2"
>           RBGL      annotate            GO         graph         Ruuid
>        "1.8.1"      "1.10.0"      "1.12.0"      "1.10.6"      "1.10.0"
>          limma          affy        affyio       Biobase       RWinEdt
>        "2.7.9"      "1.10.0"       "1.0.0"      "1.10.1"       "1.7-4"
> 
> However, now when I just type in the name of the affybatch object, the 
> entire contents of the affybatch object is output! (current sessionInfo 
> below). This is also in the vignette (October 3, 2006), on page 11-251 (did 
> no one notice the vignette was 271 pages long?!?). I had noticed that the 
> previous vignette from affy 1.10.0 (April 25, 2006) was also 271 pages long 
> when called from my installation, but at the time when I went back and 
> checked on the Bioconductor website, the vignette listed there was the 
> right length. I thought the problem had been corrected, and since I wasn't 
> having any trouble typing in the name of the affybatch object to get the 
> summary, I didn't report it.
> 
> One last thing - were there no changes to affy for the Bioconductor 1.9 
> release? The beginning of the vignette (Oct 3, 2006) still has listed 
> 'Changes for affy in BioC 1.8 release' in section 2, along with all the 
> same information as in the previous vignette.
> 
> Thanks,
> Jenny
> 
>  >raw
> #many, many, many lines deleted...
> a18   15     4   1
> a19   15     4   2
> a20   15     5   1
> a21   15     5   2
> Slot "varLabels":
> Slot "varLabels":$Week
> [1] "Week"
> 
> Slot "varLabels":$Group
> [1] "Group"
> 
> Slot "varLabels":$Rep
> [1] "Replicate"
> 
> Slot "varMetadata":
> NULL data frame with 0 rows
> 
>  > show(raw)
> AffyBatch object
> size of arrays=602x602 features (53806 kb)
> cdf=RAE230A (15923 affyids)
> number of samples=19
> number of genes=15923
> annotation=rae230a
> 
>  > sessionInfo()
> R version 2.4.0 (2006-10-03)
> i386-pc-mingw32
> 
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United 
> States.1252;LC_MONETARY=English_United 
> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
> 
> attached base packages:
> [1] "splines"   "tools"     "methods"   "stats"     "graphics"  "grDevices"
> [7] "utils"     "datasets"  "base"
> 
> other attached packages:
>     rae230acdf  affyQCReport    simpleaffy         made4 scatterplot3d
>       "1.14.0"      "1.12.0"       "2.8.0"       "1.8.0"      "0.3-24"
>           ade4       affyPLM         gcrma   matchprobes      affydata
>        "1.4-2"      "1.10.0"       "2.6.0"       "1.6.0"      "1.10.0"
> affycoretools       biomaRt         RCurl           XML       GOstats
>        "1.6.0"       "1.8.0"       "0.7-0"     "0.99-93"       "2.0.0"
>       Category    genefilter      survival          KEGG          RBGL
>        "2.0.0"      "1.12.0"        "2.29"      "1.14.0"      "1.10.0"
>       annotate            GO         graph         limma          affy
>       "1.12.0"      "1.14.0"      "1.12.0"       "2.9.1"      "1.12.0"
>         affyio       Biobase       RWinEdt
>        "1.2.0"      "1.12.0"       "1.7-5"
>  >
> 
> 
> 
> Jenny Drnevich, Ph.D.
> 
> Functional Genomics Bioinformatics Specialist
> W.M. Keck Center for Comparative and Functional Genomics
> Roy J. Carver Biotechnology Center
> University of Illinois, Urbana-Champaign
> 
> 330 ERML
> 1201 W. Gregory Dr.
> Urbana, IL 61801
> USA
> 
> ph: 217-244-7355
> fax: 217-265-5066
> e-mail: drnevich at uiuc.edu
> 
> _______________________________________________
> Bioconductor mailing list
> Bioconductor at stat.math.ethz.ch
> https://stat.ethz.ch/mailman/listinfo/bioconductor
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-- 
James W. MacDonald, M.S.
Biostatistician
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623


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