[BioC] How to detect and eliminate duplicate rows in an expression matrix in an automated way?

Matthew McCall mccallm at gmail.com
Fri Mar 11 18:09:53 CET 2011


Take a look at the function duplicated. You also might want to check
that the rows are actually duplicates, not just the rownames.

Matt



On Fri, Mar 11, 2011 at 11:46 AM,  <nqueralt at clinic.ub.es> wrote:
> Dear all,
>
>
>
> I have a R script that sometimes provides that error:
>
>
>
>> myExpressionSet <- new("ExpressionSet", exprs = myexprs, phenoData = myphenoData, annotation = myannotation)
>
> Error in data.frame(numeric(n), row.names = nms) :
>
>  duplicate row.names: 1368290_at, 1368303_at, 1388202_at
>
>
>
> I'd like to fix that in an automated way in order to avoid the script abortion. Does anyone know how to detect and eliminate duplicate rows in an expression matrix in an automated way?
>
>
>
> Best regards,
>
>
>
> Núria
>
>
>
>
>        [[alternative HTML version deleted]]
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-- 
Matthew N McCall, PhD
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