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Exercise

How it works

Much of the material in this first lab is based on and borrowed from datacamp's own course "introduction to R". If you want more to get a more thorough introduction to R, please also complete datacamp's course "introduction to R".

In the editor on the right you should type R code to solve the exercises. When you hit the 'Submit Answer' button, every line of code in the script is interpreted and executed by R and you get a message that indicates whether or not your code was correct. The output of your submission is shown in the console in the lower right corner.

You can also execute R commands straight in the console. This is a good way to experiment with R code: When you type in the console, your submission will not be checked for correctness!

Instructions

100 XP
  • In the editor on the right there is already some sample code. Can you see which lines are actual R code and which are comments?
  • Add a line of code that calculates the sum of 6 and 12, and hit the 'Submit Answer' button.