[Rd] Standard method for S4 object

Katharine Mullen kate at few.vu.nl
Sun Feb 24 19:00:58 CET 2008

I don't know of any  '"non official list" of what method a new S4 object
should have' - such a list would have to depend on what the object
represents.  If it represents the output of fitting a model, then methods
for 'residuals', 'fitted' and 'coefficients' would probably be nice.

Also, out of curiosity, what do your methods for `get' and `set' for each
slot look like?  Is there any advantage to using such methods over using

slot(objectOfYourClass, "aSlotName") # for get, and
slot(objectOfYourClass, "aSlotName") <- aValue # for set

On Sat, 23 Feb 2008, Christophe Genolini wrote:

> Hi the list,
> I am defining a new class. Shortly, I will submit a package with it.
> Before, I would like to know if there is a kind of "non official list"
> of what method a new S4 object should have.
> More precisely, personally, I use 'print', 'summary' and 'plot' a lot.
> So for my new class, I define these 3 methods and of course, a get and a
> set for each slot. What else? Is there some other methods that a R user
> can reasonably expect? Some "minimum basic tools"...
> Thanks
> Christophe
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