[BioC] ExpressionSet object to lmFit

Gordon Smyth smyth at wehi.EDU.AU
Fri Oct 27 06:54:33 CEST 2006


Dear Jim and Benjamin,

I've added support for the ExpressionSet class today to limma 2.9.3.

Best wishes
Gordon

 >[BioC] lmFit(eset,design) error message
 >James W. MacDonald jmacdon at med.umich.edu
 >Wed Oct 25 17:09:45 CEST 2006
 >
 >Hi Benjamin,
 >
 >I don't think you are doing anything wrong (other than calling an
 >ExpressionSet an exprSet ;-D). The problem here is that lmFit() hasn't
 >been updated to accept an ExpressionSet object, so it is erroring out.
 >
 >As you note, lmFit() will accept a matrix, so if you extract the
 >expression values into a matrix using the exprs() accessor, it will
 >work. For now I think that is the best work-around.
 >
 >Best,
 >
 >Jim
 >
 >Benjamin Otto wrote:
 >> Hi,
 >>
 >> Although I can't imagine I'm the first one to get the error message
 >> unfortunately my gmane-searches were unsuccessful. When I apply limmas
 >> lmFit() to an exprSet object I get the error message:



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