Can't use package [pd.mapping250k.sty]

Hello,

I have been trying to use the package *[pd.mapping250k.sty]*, but I’m might
be missing something.

This is my procedure:

> myData <- ReadAffy()
> myData@cdfName

[1] "Mapping250K_Sty"


The CEL fled are loaded okay!!  Then we proceed with the normalization
procedure, and this is where the problem is:

> eset <- rma(myData)

*Error in getCdfInfo(object) :*
*  Could not obtain CDF environment, problems encountered: Specified
environment does not contain Mapping250K_Sty*
*Library - package mapping250kstycdf not installed*
*Bioconductor - mapping250kstycdf not available*


Then, I tried installing it:

> biocLite(‘pd.mapping250k.sty’)
> library(‘pd.mapping250k.sty’)

The package installs okay (it is a ~350Mb package), and it DOES load
properly, but when I tried to run rma(myData) again I get the same problem
as above:

*Error in getCdfInfo(object) :*
*  Could not obtain CDF environment, problems encountered:
Specified environment does not contain Mapping250K_Sty*
*Library - package mapping250kstycdf not installed*
*Bioconductor - mapping250kstycdf not available*


I CAN rma normalize other CEL files using hgu133plus2cdf, or hgu133acdf,
but NOT with Mapping250K_Sty.

Any suggestions?

Thanks,
Marcelo

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