Hello!

I am a new user of aroma.affymetrix. What I am trying to do is to
profile hundreds of U133 chips. I have two questions:

1. Where can I find specific info regarding the reading, preprocessing
of CEL files of U133 type?

2. I tried to convert affymetrix' ASCII CDF into binary and got some
error:


> cdfFiles[1]
[1] "annotationData/chipTypes/HG-U133A/HG-U133A.cdf"
> convertCdf(cdfFiles[1], 
> "annotationData/chipTypes/HG-U133A/HG-U133A_binary.cdf", verbose=T, force=T)
Reading CDF header...
Reading CDF header...done
Reading CDF QC units...
Reading CDF QC units...done
Reading CDF units...
Reading CDF units...done
Writing CDF structure...
Error in nchar(unitnamesFF) : invalid multibyte string 8527
Timing stopped at: 0.22 0 0.21

I appreciate your help to get me moving.

Best,

Sean

-- 
When reporting problems on aroma.affymetrix, make sure 1) to run the latest 
version of the package, 2) to report the output of sessionInfo() and 
traceback(), and 3) to post a complete code example.


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