See the documentation entries Classes
,
Methods
, and GenericFunctions
for general discussion of these topics, at a
fairly technical level. Links from those pages, and the
documentation of setClass
and setMethod
cover the main programming tools needed.
For a complete
list of functions and classes, use library(help="methods")
.
Chambers, John M. (1998) Programming with Data Springer (For the original S4 version.)