R and RStudio

R is available through the Spack package manager with support for statistical computing, CRAN package management, and RStudio IDE.

R Quick Start 

Note

For the value of ${SPACK_ROOT}, Please refer to Spack Instances for the installation path.

# Modify this path accordingly
export SPACK_ROOT="/path/to/spack"

# Activate Spack environment
source "${SPACK_ROOT}/dist/bin/setup-env.sh" -y

# Check available R versions
module avail r

# Load R
module load r/4.4

# Verify installation
R --version

# Start R
R                           # Interactive mode
R --quiet --no-save        # Quiet mode

# Run a script
Rscript my_script.R

Note

Module names may include a 7-digit hash suffix (e.g., r/4.4.2-4pchx4a). You do NOT need to include this hash when loading - the version alone (e.g., 4.4) is sufficient.

RStudio Quick Start 

Note

For the value of ${SPACK_ROOT}, Please refer to Spack Instances for the installation path.

# Modify this path accordingly
export SPACK_ROOT="/path/to/spack"

# Activate Spack environment
source "${SPACK_ROOT}/dist/bin/setup-env.sh" -y

# Load RStudio (will automatically load R 4.x)
module load rstudio

# Or explicitly specify R version (recommended)
module load r/4.4
module load rstudio

# Launch RStudio (requires GUI/X11)
rstudio

Note

RStudio will automatically load a compatible R 4.x backend if you don’t specify one. However, it’s recommended to explicitly load your preferred R version first to ensure consistency.

Tutorials 

Features Availability 

Feature / Version	R 3.x	R 4.x	RStudio 2024
Installed	✗	✓	✓
R Interpreter	Not supported	✓	R 4.x only
Rscript Command	✗	✓	N/A
CRAN Package Manager	✗	✓	✓
SLURM Compatibility	✗	✓	✗

Environment Variables 

When loading the R module, the following environment variables are set automatically.

R_HOME 

Points to the R installation directory.

Default: <install-prefix>/rlib/R

R_LIBS_USER 

Specifies the user-specific library directory for R packages. Packages installed via install.packages() are stored here.

Default: $HOME/.R/R-<version>-<compiler>-<target>/library

Note

These environment variables are automatically configured when you load the R module. You typically don’t need to modify them manually.

Support and Resources 

R Documentation

RStudio Documentation