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Hello, I don't manage to see if you have already focussed on this point in some previous messages so I post my question: I have a little problem with the S4 style of programming. I tried to formalize my question: please consider the following example that you can run I think: #------------------ setClass("my.class1", representation( my.list =

dear R users, please, consider the following code you may run: setClass("my.class1", representation( my.list = "list", my.array1 = "array"), prototype=prototype( my.list =list(), my.array1 =array(0,c(3,3,3)) )) #------------------