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extencion
2004 Sep 22
1
S4 methods and polymorophism
...alignment
---------- output ---------------
I have succedded adding a method to generic "+" operator, which is
initially defined as:
> getMethod("+")
.Primitive("+")
As I understand it, the fact that it is a .Primitive call ensures the
default method for any extendion (that is: we can add methods).
Now, I try to add a method for length to handle "Collection" classes.
> getMethod("length")
.Primitive("length")
*** QUESTION:
I dont undertand the following error message when trying to define this method:
> setMethod(&quo...