[R] R CMD CHECK and require() / library() methods
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Apr 25 17:03:07 CEST 2007
On Wed, 25 Apr 2007, Crispin Miller wrote:
> I have a piece of code that decides at runtime whether to load a data
> package (and which package to load).
> This is then done with a call to:
> (where x is a character variable containing the package name).
> This causes R CMD check to throw out a warning:
> 'library' or 'required' calls not declared from:
Which version of R is this? All I can find say 'require'.
> Does anyone have any suggestions as to a fix or workaround for this?
That call should be
and that will in R 2.5.0 stop the warning AFAIK.
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
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