This is a short description of the installation of the packages you can download from the main site. For more details, please take a look at the manuals provided by the R project.

Installation of the packages is simple. Download the appropriate package file from the download page and save it in a directory of your choice. Run an R session as a user with sufficient privileges to install software (see below if you don't have the requisite privileges). At the prompt, type (replace path/to/file with the directory and filename of the downloaded package):

For Mac users: add the argument

If you do not have sufficient privileges, you can either (1) ask your system administrator to install the packages for you, or (2) create your own personal R library. You may also wish to create a separate R library to hold oder versions of these and/or other packages. To do that, create a directory on your system where you want the library to reside. Then run an R session, and at the prompt type (replace path/to/file with the directory and filename of the downloaded package and path/to/library with your library directory)

install.packages("path/to/file", repos = NULL, lib = "path/to/library")

Note that if you chose to go this route, you will need to specify your library location every time you load the package, by using

library(package, lib.loc = "path/to/library")

instead of the usual

library(package)

In particular, you will need to modify in this way the example scripts provided at the main page.

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