Re: [R] Scoping bug!?

Thomas Lumley (thomas@biostat.washington.edu)
Thu, 17 Dec 1998 09:25:14 -0800 (PST)

Date: Thu, 17 Dec 1998 09:25:14 -0800 (PST)
From: Thomas Lumley <thomas@biostat.washington.edu>
To: Marcus Eger <marcus.eger@physik.uni-marburg.de>
Subject: Re: [R] Scoping bug!?
In-Reply-To: <Pine.GSO.4.03.9812170914420.4504-100000@wompom.biostat.washington.edu>

On Thu, 17 Dec 1998, Thomas Lumley wrote:

> On Thu, 17 Dec 1998, Thomas Lumley wrote:
>
> > On Thu, 17 Dec 1998, Marcus Eger wrote:
> >
> > > Hello - any suggestions?!
> > >
> > > "fun" <- function (a1,a2,a3) {
> > > ...
> > > x<-rnorm(50)
> > > a<-locfit(~x)
> > > ...
> > > }
> > >
> > > does not work, (Error: Object "x" not found) but
> >
> > Can we have more details: I get (current release version,
> > sun-sparc-solaris2.6)
> >
>
> Actually I do get the scoping bug. I had a variable called x in the global
> environment before, which is why it worked.
>

Ok, the solution is to change the line
frm <- eval(m, sys.parent())
to
frm <- eval(m, sys.frame(sys.parent()))

about 10 lines down from the top of locfit().

-thomas

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