Okay! Thank you both for your help!

So it chooses the 1st one by default...

Thank you!

On Mon, Apr 2, 2012 at 4:43 PM, Bert Gunter <gunter.berton@gene.com> wrote:

> Yes, it's a bit subtle.
>
> Argument matching is usually done through match.arg(), so see
> ?match.arg
> for an explanation..
> (the first chosen).
> -- Bert
>
>
> On Mon, Apr 2, 2012 at 2:30 PM, Michael <comtech.usa@gmail.com> wrote:
>  > Hi all,
> >
> > I have a newbie question:
> >
> > If I have a function with the following documentation:
> >
> >
> > ca.jo(x, type = c("eigen", "trace"), ecdet = c("none", "const",
> "trend"), K = 2,
> > spec=c("longrun", "transitory"), season = NULL, dumvar = NULL)
> >
> > Let's take "type" as an example... if I omit this parameter when
> > calling the function,
> >
> >
> >
> > what's going to be the default value for this parameter?
> >
> >
> >
> > Amazingly the documentation didn't say which one is the default...
> >
> > Thank you!
> >
>  >        [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> > and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> Internal Contact Info:
> Phone: 467-7374
> Website:
>
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>

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