[R] Accessing methods and extending S4 classes of existing packages

From: Johannes Huesing <johannes_at_huesing.name>
Date: Sun, 29 Jun 2008 08:13:27 +0200


Dear all,
I am trying to understand how to access S4 methods after loading a package, using the online documentation of getMethod and friends.

This is what I have been trying:
> library(coin)
> findMethods("ApproxNullDistribution")
list()
Warning message:
In findMethods("ApproxNullDistribution") :   nicht-generische Funktion an findMethods() ├╝bergeben

whereas in the source of coin I can see the lines:

setGeneric("ApproxNullDistribution", function(object, ...)

    standardGeneric("ApproxNullDistribution"))

It seems that I am not getting what is going on here. Could anybody give me a hint?

Greetings

Johannes

-- 
Johannes H├╝sing               There is something fascinating about science. 
                              One gets such wholesale returns of conjecture 
mailto:johannes_at_huesing.name  from such a trifling investment of fact.                
http://derwisch.wikidot.com         (Mark Twain, "Life on the Mississippi")

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Received on Sun 29 Jun 2008 - 06:17:35 GMT

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