On Tue, Aug 24, 2010 at 6:55 PM, Henrik Bengtsson <h...@stat.berkeley.edu>
wrote:
> isPackageInstalled <- function(package, ...) {
> path <- system.file(package=package);
> (path != "");
> }
>
> taken from R.utils (which also has a isPackageLoaded()).
Nice quick hack (subject to caveats Brian mentions). Thanks!
Hadley
--
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/
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