[R] How to get the namespace of a function?

[Gabor Grothendieck]

Try:

f <- function() get("index", "package:zoo")


On 2/2/06, Fernando Saldanha <fsaldan1 at gmail.com> wrote:
> I declared the environment of the function myfun to be NULL as follows:
>
> environment(myfun) <- NULL
>
> Later on I called that myfun and got an error message because the
> function index() in the zoo package was called inside myfun and was
> not visible:
>
> Error in myfun(args) : couldn't find function "index"
>
> I tried to use zoo::index() instead of index(), but that did not work.
> In fact, zoo::index does not work even in the command line:
>
> > z<-ts(1:5)
> > z
> Time Series:
> Start = 1
> End = 5
> Frequency = 1
> [1] 1 2 3 4 5
> > index(z)
> [1] 1 2 3 4 5
> > zoo::index(z)
> Error in loadNamespace(name) : package 'zoo' does not have a name space
>
> How can I qualify index() so that it is visible inside the body of myfun?
>
> Thanks for any suggestions,
>
> FS
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>