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Dick Beyer
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@dick-beyer-26
Last seen 10.2 years ago
I did a complete reinstall of R 1.6.1 and Bioconductor 1.1. I also
got mgu74av2cdf_0.1.zip from
http://www.bioconductor.org/data/cdfenvs/cdfenvs.html and installed
that.
Here are the main details:
> library(affy)
> library(Biobase)
> library(mgu74av2cdf)
> Data <- ReadAffy()
> eset <- rma(Data)
Error in get(x, envir, mode, inherits) : variable "mgu74av2cdf" was
not found
> Data
AffyBatch object
size of arrays=640x640 features (12803 kb)
Error in get(x, envir, mode, inherits) : variable "mgu74av2cdf" was
not found
Error in inherits(cdf.env, "try-error") : Object "cdf.env" not found
>
I am using Windows 2000 and I use:
"C:\Program Files\R\rw1061\bin\Rgui.exe" --max-mem-size=768M
to start R.
In Bioconductor 1.0, things work better. For example:
>Data <- ReadAffy()
>Data
object
CDF used=MG_U74Av2.CDF
number of chips=4
number of genes=12488
number of probe pairs=197993
annotation=
description=
notes=
size of chip=640x640
chip names=
NL_OMCATHR_H1A
NL_OWTHR_H1A
NL_YMCATHR_H1A
NL_YWTHR_H1A
I am not sure what to do next.
Thanks much,
Dick
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Richard P. Beyer, Ph.D. University of Washington
Tel.:(206) 616 7378 Environmental Health, Box 354695
Fax: (206) 685 4696 4225 Roosevelt Way NE, # 100
Seattle, WA 98105-6099
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