[BioC] Biobase: How to replace the ExpressionSet phenoData?

Daniel Brewer daniel.brewer at icr.ac.uk
Wed Aug 25 12:01:17 CEST 2010

Don't worry I had a typo.  Ooops.

On 25/08/2010 10:58 AM, Daniel Brewer wrote:
> Hello,
> I have an ExpressionSet object (nodups) and I would like to replace its
> phenoData with a different data.frame object (pdata).  I cannot work out
> how to do it.  I have tired:
>> phenoData(nodups) <- new("AnnotatedDataFrame",pData)
> Error in value[[3L]](cond) :
>   AnnotatedDataFrame 'data' is class 'standardGeneric' but should be or
> extend 'data.frame'
>   AnnotatedDataFrame 'initialize' could not update varMetadata:
>   perhaps pData and varMetadata are inconsistent?
> Any ideas?
> Thanks
> Dan


Daniel Brewer, Ph.D.

Institute of Cancer Research
Molecular Carcinogenesis
15 Cotswold Road
Sutton, Surrey SM2 5NG
United Kingdom

Tel: +44 (0) 20 8722 4109


The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP.

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