Description Usage Arguments Examples
View source: R/source-installed.r
This source represents packages that are already
installed on-disk. By default it uses all libraries found
in .libPaths
. Installed packages are
divided into base and other libraries to avoid ever
reinstalling base packages (which is a bad idea).
1 2 3 |
paths |
A character vector of library paths.
|
1 2 3 4 5 6 | inst <- installed()
inst
has_package(inst, "ggplot2")
package_info(base(), "MASS")
package_url(base(), "lattice")
|
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