From ripley at stats.ox.ac.uk  Wed Nov  2 17:59:33 2011
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Wed, 2 Nov 2011 16:59:33 +0000 (GMT)
Subject: [Rd] extra & in some lines of R KEYWORDS file
In-Reply-To: <CAErODj92TqZHiNHWR20hmWqpXPygWLvHCvioQ5fVit_gB5Avyw@mail.gmail.com>
References: <CAErODj92TqZHiNHWR20hmWqpXPygWLvHCvioQ5fVit_gB5Avyw@mail.gmail.com>
Message-ID: <alpine.LFD.2.02.1111021653420.31204@gannet.stats.ox.ac.uk>

On Wed, 2 Nov 2011, Paul Johnson wrote:

> The KEYWORDS file (on R 2.13.1 anyway) , seems to have some extra "&" symbols.
> Look below at "&" before "character" "complex" "category" and "NA"
>
> ?intentional or mistaken? If not mistaken, what do the & mean?

Both!  The mistake is all yours, however.

Compare with the KEYWORDS.db file or the keyword listing on the HTML 
search page.

>
> Basics
>        sysdata         &       Basic System Variables          [!= S]
>        datasets        &       Datasets available by data(.)   [!= S]
>        data            &       Environments, Scoping, Packages [~= S]
>        manip           &       Data Manipulation
>        attribute       &       Data Attributes
>        classes         &       Data Types (not OO)
>            & character &       Character Data ("String") Operations
>            & complex   &       Complex Numbers
>            & category  &       Categorical Data
>            & NA        &       Missing Values                  [!= S]
>        list            &       Lists
>        chron           &       Dates and Times
>        package         &       Package Summaries
>
>
> -- 
> Paul E. Johnson
> Professor, Political Science
> 1541 Lilac Lane, Room 504
> University of Kansas
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595



[Rd] extra & in some lines of R KEYWORDS file
Prof Brian Ripley