[R] Checking if a library is loaded or not

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu Sep 14 13:29:28 CEST 2000

Mark Myatt wrote:
> How do I check if a library has already been loaded and then load it if
> required?

To check, which libraries are loaded:

But you might want to use

Uwe Ligges
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