Re: [R] formals or args question

From: Ales Ziberna <ales.ziberna_at_guest.arnes.si>
Date: Tue 24 May 2005 - 00:55:23 EST

names(formals(fun))

You need the names of the elements of the list formals produces, not their content!

Ales Ziberna

> Hello again, thank you again for all of your help. I am trying to get the
> arguments for a function, in a way that I can handle them. If I do
> args(fun), it doesnt really do what I want. If I use formals(fun) i get
> output like:
>
> $a
>
>
> $r
>
>
> $s
>
>
> Now, lthis is supposedly a list, but if i say formals(a)[[1]], I get
> nothing. I am just trying to get a vector with teh arguments of a
> function so I can loop over them.
>
> ex; a<-function(p,r){p+r}
>
> want: vector of c("p", "r")
>
> The documentation for args and formals is quite confusing. Thanks again!
> ~Erithid
>
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>



R-help@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 Received on Tue May 24 00:59:58 2005

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