[R] packagename:::functionname vs. importFrom
Hadley Wickham
hadley at rice.edu
Tue Jan 4 06:06:29 CET 2011
> Correct. I'm doing this because of non-exported functions in other packages,
> so I need :::
But you really really shouldn't be doing that. Is there a reason that
the package authors won't export the functions?
> I'd still appreciate any insight about whether importFrom in NAMESPACE
> defers package loading so that if the package is not actually used (and is
> not installed) there will be no problem.
Imported packages need to be installed - but it's the import vs.
suggests vs. depends statement in DESCRIPTION that controls this
behaviour, not the namespace.
Hadley
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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