R Language Quiz 14

The post is about R Language Quiz with Answers. The quiz covers, MCQs about Data Structure, Data Analysis in R, and Some Basics of R Programming Languages. Let us start with the R Programming MCQs Quiz.

Multiple Choice Questions about R Language with Answers

1. What is the output of the following

d <- diag(5, nrow = 2, ncol = 2); d

 
 
 
 

2. R language has a superficial similarity with ———.

 
 
 
 

3. what is the output of the following

y <- c(TRUE, 2)

 
 
 
 

4. What is the class of the object $y$

y <- c(FALSE, 2)

 
 
 
 

5. Matrices can be created by row-binding using the function

 
 
 
 

6. Which of them is not a basic datatype in R?

 
 
 
 

7. R files have an extension ———-.

 
 
 
 

8. What function is used to test objects if they are NaN?

 
 
 
 

9. Which of the following is not an R object?

 
 
 
 

10. What is NaN called?

 
 
 
 

11. A ——– is a variable that holds one value at a time

 
 
 
 

12. Dataframes can be converted into a matrix by calling the following function data ———-

 
 
 
 

13. Which of the following can be used to display the names of (most of) the objects that are currently stored within R?

 
 
 
 

14. The dimension attribute is itself an integer vector having length ——-.

 
 
 
 

15. How one can create an integer say 5?

 
 
 
 

16. What is the meaning of “<-” in R

 
 
 
 

17. What is the function to give names to columns for a matrix?

 
 
 
 

18. Which of the following is an alternative to ‘?’ symbol ———.

 
 
 
 

19. How many atomic vector types does R have

 
 
 
 

20. what is the class of object $y$

y <- c(2, "t")

 
 
 
 

Question 1 of 20

R Language Quiz with Answers

  • What is NaN called?
  • what is the output of the following y <- c(TRUE, 2)
  • what is the class of object $y$ y <- c(2, “t”)
  • What is the class of the object $y$ y <- c(FALSE, 2)
  • Which of them is not a basic datatype in R?
  • How one can create an integer say 5?
  • The dimension attribute is itself an integer vector having length ——-.
  • Matrices can be created by row-binding using the function
  • What function is used to test objects if they are NaN?
  • What is the function to give names to columns for a matrix?
  • How many atomic vector types does R have
  • What is the output of the following d <- diag(5, nrow = 2, ncol = 2); d
  • Which of the following can be used to display the names of (most of) the objects that are currently stored within R?
  • A ——– is a variable that holds one value at a time
  • What is the meaning of “<-” in R
  • Which of the following is not an R object?
  • Dataframes can be converted into a matrix by calling the following function data ———-
  • R files have an extension ———-.
  • R language has a superficial similarity with ———.
  • Which of the following is an alternative to ‘?’ symbol ———.
R Language Quiz with Answers

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