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2010 Feb 02
1
S4 setClass / initialize misunderstanding
Hi, I recently ran into this problem. I couldn't find any mention of it in the setClass documentation. setClass("Foo", representation(file = "character")) setMethod("initialize", "Foo", function(.Object, file) { print(file) }) setClass("Bar", contains = "Foo") And the error: Error in print(file) : argument "file" is
2009 Mar 29
1
Recent setClass fails where previous succeeded
These lines of code setClass("A", representation(x="numeric")) setMethod(initialize, "A", function(.Object, ...) stop("oops")) setClass("B", representation("A")) result in > setClass("B", representation("A")) Error in initialize(value, ...) : oops in R version 2.9.0 alpha (2009-03-28 r48239) R version 2.10.0