By default, R searches a set of paths when you request actions involving libraries. The first path is used by default when invoking functions such as install.packages() leading to messages like this: mkdir: cannot create directory '/server/linux/lib/R/site-library/00LOCK': Permission denied ERROR: failed to lock directory. Installing Packages Via devtools. Drivers Written Test Online Manitoba. As you have read above, each repository has its own way to install a package from them, so in the case that you are regularly using.

Packages Packages are collections of R functions, data, and compiled code in a well-defined format. The directory where packages are stored is called the library. R comes with a standard set of packages. Others are available for download and installation.

Once installed, they have to be loaded into the session to be used..libPaths() # get library location library() # see all packages installed search() # see packages currently loaded Adding Packages You can expand the types of analyses you do be adding other packages. A complete is available from CRAN.