Statistical Computing and graphics software project created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand in 1993, and is currently on Public Domain being developed by the R Development Core Team with large number of packages or libraries.
Install r-base from CRAN Mirrors or CRAN Rstudio
Install Rstudio by Posit , or install R extension in your IDE
Start R CLI by running R in terminal, or start Rstudio or your IDE with R extension
> library() # see list of all installed packages or go to package window in RStudio, packages are stored in Comprehensive R Archive Network (CRAN) we can browse in the r-project CRAN website
> install.packages("ggplot2") # install package for Jupyter package or use package window to install
> help(rnorm) # get help on a function
> example(plot) # see examples of using a function
> help.start() # starts HTML based global help
> source("filename.R") # run the script on the console -> CTRL+SHIFT + S in editor window, CTRL + ENTER to run a line