On Thu, May 28, 2015 at 2:49 AM, Julien Idé wrote:
> Hey everyone,
>
> I would like to develop a package using S4 classes.
> I have to define several S4 classes that inherits from each others as
> follow:
>
> # A <- B <- C <- D
>
> I also would like to define .DollarNames methods for these class s
The problem seems to be with coercion, actually, not validity methods per
se:
> myd
Object of class "D"
attr(,"class")
[1] "AOldclass"
Slot "D":
character(0)
Slot "C":
character(0)
Slot "B":
character(0)
Slot "A":
character(0)
> as(myd, "B")
Object of class "AOldclass"
attr(,"class")
[1] "AO
On 05/28/2015 02:49 AM, Julien Idé wrote:
Hey everyone,
I would like to develop a package using S4 classes.
I have to define several S4 classes that inherits from each others as
follow:
# A <- B <- C <- D
I also would like to define .DollarNames methods for these class so, if I
have understood