R

  1. Install R
  2. Install R Studio
  3. Launch interactive R and quit
  4. Running Rscript on the command line
  5. R and simple math operations
  6. R and variables
  7. R vectors
  8. Variable types are deducted
  9. Repeate the same number
  10. Range of numbers
  11. Access the n-the element of a vector
  12. Negative index, exclude element
  13. Access several elements of a vector
  14. Some basic statistical functions
  15. Quick graphs
  16. Associate name with each value
  17. paste (join) strings and numbers together
  18. Comments
  19. Operator preference order and parentheses
  20. Data Frames