[BioC] Unable to find an inherited method for function ‘exprs’

Wolfgang Huber whuber at embl.de
Wed Aug 14 05:13:31 CEST 2013

Dear Dave

this is actually not an error. The function 'exprs' expects and argument, and since you are giving it none, it complains, and one should not blame it for that. 

Perhaps can you tell us what you want to achieve, then it should be easier to help!

	Best wishes
On 14 Aug 2013, at 05:08, Dave Tang <davetingpongtang at gmail.com> wrote:

> Hello,
> I'm getting this error when trying to use the exprs() function from the Biobase package:
> library(Biobase)
> exprs()
> Error in (function (classes, fdef, mtable)  :
>  unable to find an inherited method for function ‘exprs’ for signature ‘"missing"’
> I was trying to use the virtualArray package, which required GEOquery, which required Biobase and the exprs() funciton.
> Cheers,
> -- 
> Dave
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