Reference

Glossary

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adapter (future)

The way that your code calls future to run in parallel, usually by a small change like using future_lapply instead of lapply

backend (future)

The way that future parallelizes your code, e.g., through multiple R sessions or submitting SLURM jobs

core or CPU

The part of a computer that actually does the computing, often multiple on one computer can work simultaneously

HPCC

High performance computing cluster

.libPaths()

The R command that shows you where your packages are installed and loaded from

library

A directory where R packages are stored

module

The way that software is stored and loaded on the HPCC

node

An entire computer, many of which are connected together to create the HPCC

OnDemand

The website to access graphical HPCC programs like RStudio through your browser

package

A collection of R code that you can load and use in your code

parallelization

Running different parts of a program at the same time, the main way to speed up code through the HPCC

R

A programming language, and a command to start an R interpreter on the command line

.Renviron

The file that contains environment variables set when R starts

.Rprofile

The file that contains R commands that run when R starts

RScript

The command to run a list of R commands in a file (usually ending with .R) on the command line

RStudio

An Integrated Development Environment (IDE) where you can write and run R code

RStudio Project

A way to organize your R code in RStudio, facilitated through an .RProj file in a directory

SLURM

The HPCC’s batch manager