[R] How to unload a package or "undo" library("package")

Gabor Grothendieck ggrothendieck at gmail.com
Sun Jan 8 22:41:55 CET 2006

Here are some things to try:

detach() - detach most recent attached package
detach(2) - detach package which is in position 2 on search list. 
Same as detach()
detach("package:mypackage") - mypackage from search list
search() - display search list

On 1/8/06, Aleš Žiberna <ales.ziberna at gmail.com> wrote:
> Hello!
> I would like to unload a package form a current R session. I tried
> datach(package:packagename), however it does not work. The reason I want to
> unload it is that I want to correct some files in the package and reinstall
> it without closing an R session.
> Best,
> Ales Ziberna
> PS: I am using R 2.1.1 on Windows XP
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