You can test your R skills with W3Schools' Quiz.
The test contains 25 questions and there is no time limit.
The test is not official, it's just a nice way to see how much you know, or don't know, about R.
Count Your Score
You will get 1 point for each correct answer. At the end of the Quiz, your total score will be displayed. Maximum score is 25 points.
Start the Quiz
If you do not know R, we suggest that you read our R Tutorial from scratch.