It could be that you define the below in two different source files
and you are only updating the first and it is overwritten by the
second which you never edit? /Henrik
On Thu, Apr 15, 2010 at 4:21 PM, Adrian Waddell <adr...@waddell.ch> wrote:
> Hello there,
>
> I define a accessor method for one of my classes, i.e.
>
> setMethod(f = "[",
> signature = "NG_data",
> definition = function(x,i,j,drop){
> if(all(is.na(match(j,x...@shortnames)) == FALSE)){
> return(x[,match(j,x...@shortnames)]) }else{
> callNextMethod()
> }
> }
> )
>
> where the class "NG_data" inherits from the "data.frame" class. Hence I
> added the line
>
> exportMethods("[")
>
> to my NAMESPACE file. After package building, installing and loading, I try
> to use this accessor method
>
> myObject[,1]
>
> but I get the error message:
>
> Error in callNextMethod() : bad object found as method (class "function")
>
> Interestingly, if I then execute the setMethod(f = "["... in the command
> prompt
>
> myObject[,1]
>
> works. Does anybody has a clue what could go wrong?
>
>
> Adrian Waddell
>
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