Greetings,
I found the mistake. As this may be useful to others the details are as follows:
In the source file
derived_j/derived_j.R
of every derived class the source of the base
source("..base/base.R")
was included (as you would in C or C++).
This file contains the statement
setGener
Greetings,
I am using S4 classes and the code is organized by putting each class into a
separate source file
in a separate folder:
In Folder base/base.R:defines class "base" and does
setGeneric("showSelf",
function(this) standardGeneric("showSelf")
)
setMethod("showSelf",
signature(t
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