Hi
>
> Hi,
>
> I am creating a function and ran into the problem of selecting a column
> from a dataset. It seems as though the $ function (as in
data$columnname)
> does not apply in the function. In simplified version:
>
> This works:
> testf2<-function(data,columnnumber){print(data[,columnnumber])}
>
> But this doesn't:
> testf<-function(data,column){print(data$column)}
>
> Even though the first solution works, I would like to be able to insert
the
> columnname in the function, instead of the columnnumber. How do I do
that?
Not sure if you get any answer yet.
testf2<-function(data,columnname){print(data[,columnname])}
Petr
>
> Thank you in advance,
>
> Julia
>
> [[alternative HTML version deleted]]
>
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