R Interview Questions - 22 | Snaprecruit.com

R Interview Questions - 22 | Snaprecruit.com

R interview questions part 22

R interview questions part 22

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Total Questions: 20

1. The graphical parameter _____ _defines how many lines appear in each of the four margins.

Correct Answer is : Mar

2. Which is the alternative way of defining margins?

Correct Answer is : Mar

3. The standard font determines the width of the text lines in the __________

Correct Answer is : Margin

4. Which function draws an axis on the current plot?

Correct Answer is : axis()

5. ______ gives the length and height of the current figure in inches.

Correct Answer is : Fin

6. __________ read only parameter that returns the width and height of the current device surface in inches.

Correct Answer is : Din

7. ask=T is a parameter that R asks before producing the _______

Correct Answer is : graphics

8. Which of the following declares the current plot undeclared?

Correct Answer is : New = T

9. Which of the following will be used in fancy plots?

Correct Answer is : New = T

10. ________ level plotting functions that start a new plot.

Correct Answer is : High

11. ________ level plotting functions that add elements to an existing plot.

Correct Answer is : Low

12. Which of the following is the plotting character?

Correct Answer is : Pch

13. Which of the following is the colour argument?

Correct Answer is : Col

14. ________ is used for main title in graph.

Correct Answer is : Main

15. _____ programming language is a dialect of S.

Correct Answer is : R

16. Point out the WRONG statement :

Correct Answer is : Early versions of the S language contain functions for statistical modeling

17. In 2004, ________ purchased the S language from Lucent for $2 million.

Correct Answer is : Insightful

18. In 1991, R was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of _________

Correct Answer is : Auckland

19. Point out the wrong statement :

Correct Answer is : K is language for statistical modelling and graphics

20. Finally, in _________ R version 1.0.0 was released to the public.

Correct Answer is : 2000

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