[BioC] affy troubles

Benilton Carvalho bcarvalh at jhsph.edu
Tue Nov 15 21:02:30 CET 2005


Dear YY,

the affy package cannot handle the snp chips. but you can download the 
oligo and makePlatformDesign packages (devel branch) in order to work with 
these chips.

please, feel free to contact me directly for clarifications regarding the 
packages.

b.

On Sat, 12 Nov 2005, YY Teo wrote:

> Hi there,
>
> I have recently downloaded .CEL files from the Affymetric website at https://www.affymetrix.com/support/technical/sample_data/hapmap_trio_data.affx.
>
> Using ReadAffy() to input the data, I encountered an error message which says:
> Error in validObject(.Object) : invalid class "AffyBatch" object: invalid object for slot "reporterInfo" in class "AffyBatch": got class "NULL", should be or extend class "data.frameOrNULL"
>
> Using read.affybatch("FILEPATH.CEL") also resulted in this error. Could you advise me on how I can read the data into R?
>
> Thanks and kind regards,
> YY
> Department of Statistics
> University of Oxford
> 	[[alternative HTML version deleted]]
>
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