RStudio is an integrated development environment (IDE) for R. It includes a console, syntax-highlighting editor that supports direct code execution, as well as tools for plotting, history, debugging and workspace management. For more information, see https://www.rstudio.com/products/RStudio/

Accessing RStudio

LMM users

For your convenience, RStudio is running on lmm.rit.albany.edu. To access it, log in with your UAlbany NetID and password: https://rstudio.arcc.albany.edu/. You may find your performance varies greatly using this method. See "Spawning on the General Purpose Cluster" below for information on how to use RStudio with dedicated resources.

Liska users

Log in with your UAlbany NetID and password: https://rstudio-liska.arcc.albany.edu/

Spawning on the General Purpose Cluster

documentation coming soon

Using your own R Library

1. Create a file in your home directory called .Renviron 
2. Set R_LIBS_USER=/path/to/custom/R/lib
   
   1. You can do this in RStudio by clicking File -> new Text File
      
   2. Then File -> Save As
   3. 
3. Restart RStudio by pressing  in the upper right hand corner of the UI, then "Start New Session"
4. Check .libPaths() to make sure the correct path is being referenced

Updating your packages

If the system updates R and you find that your packages are no longer importing, please run from RStudio:

update.packages(checkBuilt=TRUE, ask=FALSE)