Dear all,

I have 15 cel file and all is good until i try to normalize the dataset:

data.rma<rma(data)

Error in getCdfInfo(object) :
  Could not obtain CDF environment, problems encountered:
Specified environment does not contain 2.0
Library - package 2.0cdf not installed
Bioconductor - 2.0cdf not available

> data
AffyBatch object
size of arrays=1164x1164 features (9 kb)
cdf=2.0 (??? affyids)
number of samples=15
Errore in getCdfInfo(object) :
  Could not obtain CDF environment, problems encountered:
Specified environment does not contain 2.0
Library - package 2.0cdf not installed
Bioconductor - 2.0cdf not available



why it gives to me this kind of error?
I'm using HG-U133_Plus_2_1_1.CEL file and the package hgu133plus2,
hgu133plus2cdf and hgu133plus2probe are correctly installed.

Someone can help me?

Best regards.



-- 
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Dr. Alberto Goldoni
Bologna, Italy
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