# Install and load R packages on Big Red II at IU

R is a language and environment for statistical computing and graphics. R provides a wide variety of statistical (e.g., linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, and clustering) and graphical techniques, and is highly extensible. For more, see the R Project for Statistical Computing home page.

To use R on Big Red II, you first must add it to your user environment; for instructions, see Use R on Big Red II at IU.

On this page:

## Install R packages

You can install R packages in your Big Red II home directory using either of the following methods. Before you begin, create a subdirectory for your package (e.g., `~/r-packages`

); on the command line, enter:

mkdir r-packages

**Installing from a locally stored source file:**To use a package source file stored in your Big Red II home directory (e.g.,`~/my_r_pkg`

) to install an R package to your R package subdirectory (e.g.,`~/r-packages`

), on the command line, enter:R CMD INSTALL my_r_pkg -l ~/r-packages

**Installing from the CRAN package repository:**To download and install a package (e.g.,`my_r_pkg`

) from the CRAN package repository and install it in your R package subdirectory (e.g.,`~/r-packages`

), launch R, and then, at the R command prompt (`>`

, enter:install.packages("my_r_pkg", lib="~/r-packages/")

Continue to Load R packages.

## Load R packages

In R, to load your newly installed package (e.g., `~/r-packages/my_r_pkg`

), at the R command prompt, enter:

library("my_r_pkg", lib.loc="~/r-packages/")

For more details, type `?INSTALL`

in the R console.

## Get help

If you have questions about using statistical and mathematical software at Indiana University, contact Research Analytics. Research Analytics is located on the IU Bloomington campus at Woodburn Hall 200; staff are available for consultation Monday-Friday 9am-noon and by appointment.

*This is document* bfrs *in the Knowledge Base.*

*Last modified on* 2018-01-26 11:05:39*.*