R and R-Studio

They are statistical language and ID

• r or R - R console in terminal
• Rscript my.r - executes file in terminal
• Rscript -e "getwd()" - executes cmd in terminal, can quickly install a library.
• R CMD BATCH my.r runs R script and saves output to my.r.Rout
• To make R Script executable like ./my.r then:
  • set permission to 755
  • add correct #! to top of file

#!/usr/bin/env Rscript
sayHello <- function(){
   print('hello')
}

sayHello()

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2025-01-12 January 12, 2025