From: Fernando Saldanha <fsaldan1_at_gmail.com>

Date: Fri 03 Feb 2006 - 06:03:01 EST

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 Fri Feb 03 06:20:28 2006

Date: Fri 03 Feb 2006 - 06:03:01 EST

Thanks, Gabor. I tried this without success:

*> z <- ts(1:5)
**> f <- function(x) {f1 <- function() get("index", "package:zoo"); f1()(x)}
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> environment(f) <- NULL

*> f(z)
*

Error in f1()(x) : no applicable method for "index"

I also tried this, which seemed simpler, with the same outcome:

*> z <- ts(1:5)
**> f <- function(x) {f1 <- get("index", "package:zoo"); f1(x)}
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> environment(f) <- NULL

*> f(z)
*

Error in f1(x) : no applicable method for "index"

FS

On 2/2/06, Gabor Grothendieck <ggrothendieck@gmail.com> wrote:

*> Try:
**>
*

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

*>
**>
**> On 2/2/06, Fernando Saldanha <fsaldan1@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@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
**> >
**>
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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 Fri Feb 03 06:20:28 2006

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