yep worked! tnx

On Feb 13, 2008 3:50 PM, Sean Davis <sdavis2@mail.nih.gov> wrote:

> On Feb 13, 2008 9:44 AM, John Lande <john.lande77@gmail.com> wrote:
> > Dear all,
> >
> > I am creating a class for my function composed by two expression set:
> >
> > let say
> >
> > >setClass("my class",  representation(a="ExpressionSet",
> b="ExpressionSet")
> >
> > when I lunch it I retrieve this warning.
> >
> > [1] "my class"
> > Warning message:
> > In .completeClassSlots(ClassDef, where) :
> >   undefined slot classes in definition of "my class": a(class
> > "ExpressionSet"), b(class "ExpressionSet")
> >
> > how can  solve this problem?
>
> Hi, John.  You need to load Biobase first, as "ExpressionSet" is not
> defined.  That should solve the problem.
>
> Sean
>

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