Hi Christopher,
I think, that "save" is no generic function like "plot", "show", etc. So at
first you have to determine a generic.
setGeneric("save", function(x, file_Path) standardGeneric("save"))
Now your definition via setMethod.
Best
Simon
On Jul 18, 2013, at 12:09 PM, Christofer Bogaso <bogaso.christo...@gmail.com>
wrote:
> Hello again,
>
> I am trying to define the 'save' method for my S4 class as below:
>
> setClass("MyClass", representation(
> Slot1 = "data.frame"
> ))
>
> setMethod("save", "MyClass", definition = function(x, file_Path) {
>
> write.table(x@Slot1, file = file_Path, append = FALSE, quote =
> TRUE,
> sep = ",",
> eol = "\n", na = "NA", dec =
> ".", row.names = FALSE,
> col.names = TRUE, qmethod =
> c("escape", "double"),
> fileEncoding = "")
> })
>
> However while doing this I am getting following error:
>
> Error in conformMethod(signature, mnames, fnames, f, fdef, definition) :
> in method for ‘save’ with signature ‘list="MyClass"’: formal
> arguments (list = "MyClass", file = "MyClass", ascii = "MyClass",
> version = "MyClass", envir = "MyClass", compress = "MyClass",
> compression_level = "MyClass", eval.promises = "MyClass", precheck =
> "MyClass") omitted in the method definition cannot be in the signature
>
>
> Can somebody point me what will be the correct approach to define
> 'save' method for S4 class?
>
> Thanks and regards,
>
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