On Fri, Nov 4, 2011 at 1:20 PM, peter dalgaard <pdalgd@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 ŚDetails‚.
> >
> >     all: logical; Śall = L‚ is shorthand for Śall.x = L‚ and Śall.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.mes@cbs.dk  Priv: PDalgd@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

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