On Fri, Nov 4, 2011 at 1:20 PM, peter dalgaard <pda...@gmail.com> wrote:
>
> On Nov 4, 2011, at 13:11 , Rainer M Krug wrote:
>
> > Hi
> >
> > there seems to be an error in the documentation of the "merge" function:
> >
> > Arguments:
> >
> > x, y: data frames, or objects to be coerced to one.
> >
> > by, by.x, by.y: specifications of the common columns. See Details.
> >
> > all: logical; all = L is shorthand for all.x = L and all.y =
> > L.
> >
> >
> > The "L" should be a T or a TRUE.
>
>
> I think it's on purpose: L indicates a logical value, TRUE _or_ FALSE.
>
Makes sense - In this case, I would suggest to add, "where L is either TRUE
or FALSE" or similar to clarify.
>
> -pd
> --
> Peter Dalgaard, Professor
> Center for Statistics, Copenhagen Business School
> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
> Phone: (+45)38153501
> Email: pd....@cbs.dk Priv: pda...@gmail.com
>
>
--
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology,
UCT), Dipl. Phys. (Germany)
Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa
Tel : +33 - (0)9 53 10 27 44
Cell: +33 - (0)6 85 62 59 98
Fax (F): +33 - (0)9 58 10 27 44
Fax (D): +49 - (0)3 21 21 25 22 44
email: rai...@krugs.de
Skype: RMkrug
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