Displaying 2 results from an estimated 2 matches for "emptyfitresult".
2016 Apr 22
2
S4 non-virtual class with no slots?
It seems that if an S4 class has no slots it can't be instantiated because it is assumed to be virtual. Is there a way around this other than adding a do-nothing slot? A singleton would be OK, though is not essential.
Problem:
EmptyFitResult <- setClass("EmptyFitResult", representation=representation())
# also tried it without the second argument. same result.
> e <- EmptyFitResult()
Error in new("EmptyFitResult", ...) :
trying to generate an object from a virtual class ("EmptyFitResult")
T...
2016 Apr 23
0
S4 non-virtual class with no slots? [SOLVED]
...?
On 04/22/2016 04:38 PM, Boylan, Ross wrote:
> It seems that if an S4 class has no slots it can't be instantiated because it is assumed to be virtual. Is there a way around this other than adding a do-nothing slot? A singleton would be OK, though is not essential.
>
> Problem:
> EmptyFitResult <- setClass("EmptyFitResult", representation=representation())
> # also tried it without the second argument. same result.
> > e <- EmptyFitResult()
> Error in new("EmptyFitResult", ...) :
> trying to generate an object from a virtual class ("E...