[Rd] Recommended way to call/import functions from a Suggested package

[Hadley Wickham]

> loadNamespaces loads but does not attach the package. Suggests: is enough to
> quieten the warning with
>
> ~/tmp$ R --version
> R Under development (unstable) (2013-02-21 r62017) -- "Unsuffered
> Consequences"
>
> This is consistent with RShowDoc("R-exts") section 1.1.1
>
>   Namespaces accessed by the ‘::’ and ‘:::’ operators must be listed here,
> or in ‘Suggests’ or ‘Enhances’ (see below).

I guess that's changed since I last tried it.  (My reproducible
example forgot to include MASS in the Suggests :/ )

Thanks!

Hadley

-- 
Chief Scientist, RStudio
http://had.co.nz/