How to unload a package without restarting R?
You can also use the unloadNamespace command, as in:
The function detaches the namespace prior to unloading it.
I'd like to unload a package without having to restart R (mostly because restarting R as I try out different, conflicting packages is getting frustrating, but conceivably this could be used in a program to use one function and then another--although namespace referencing is probably a better idea for that use).
?library doesn't show any options that would unload a package.
There is a suggestion that
detach can unload package, but the following both fail:
So how do I unload a package?
I tried what kohske wrote as an answer and I got error again, so I did some search and found this which worked for me (R 3.0.2):
require(splines) # package detach(package:splines)
library(splines) pkg <- "package:splines" detach(pkg, character.only = TRUE)
Just go to OUTPUT window, then click on Packages icon (it is located between Plot and Help icons). Remove "tick / check mark" from the package you wanted be unload.
For again using the package just put a "tick or Check mark" in front of package or use :