R Package Install For Mac

R has been one of the popular languages for anything to do with large amount of data. There are loads of useful packages that let you get started immediately in using a wide realm of statistical/computational tools. Installing an R package is easy.

Typically, R Packages can be downloaded as “tar.gz” file for Mac OS X from CRAN sources. The command to install a R package to all users in your machine is R CMD INSTALL -l myRPackage.tar.gz Local Installation of R Packages Sometimes you might want to install a R package locally, either because you may not have root access to install a package globally or you may just want to try out a new package before installing globally. Here is how to install a R package locally from the terminal. To install a R package locally, specify the local directory where you want to install by using the “-l” option in the “ R CMD INSTALL” command.

For example, to install the R package in the local directory “/usr/me/localR/library”, use the “R CMD INSTALL” as follows. R CMD INSTALL -l /usr/me/localR/library myRPackage.tar.gz How to Load a Locally Installed R Package and Use it? Installing R Packages at a local directory is only a first step. There are a few ways to load the locally installed R packages and use them. One option is to specify the local path to the R package while loading the library. The R command to load a general package is library('RPackage') To load a locally installed R package, use the library command with parameter lib.loc as library('myRPackage', lib.loc='/usr/me/local/R/library') Another option is to instruct your.bashrc file to add the the path to local R library.

Install useful R packages in RStudio. Download the file available at startup_packages.R. This is a text (script) file containing R commands that you will run. Double click on this downloaded file in your specified directory. This will open the file in RStudio. Shown below is only the top left pane of the four panes in RStudio.

This option lets you load the package without specifying the local every time. To enable this add the following to your.bashrc if [ -n $R_LIBS ]; then export R_LIBS=/usr/me/local/R/library:$R_LIBS else export R_LIBS=/usr/me/local/R/library fi After adding you can check if the local R package directory in the R library path using the R command “.libPaths()“. Typing “.libPaths()” in R, will show all the R library paths. Microsoft visual foxpro odbc driver. If your local R library path is not added properly, you will only see one general path to R library, like “/opt/R/2.11.1/lib64/R/library”.