R Interview Questions - 22 | Snaprecruit.com
R Interview Questions - 22 | Snaprecruit.com
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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.
A. Par
B. Mar
C. Char
D. Ian
Show Correct Answer
Correct Answer is :
Mar
2. Which is the alternative way of defining margins?
A. Mar
B. Par
C. Char
D. Nar
Show Correct Answer
Correct Answer is :
Mar
3. The standard font determines the width of the text lines in the __________
A. Function
B. Package
C. Library
D. Margin
Show Correct Answer
Correct Answer is :
Margin
4. Which function draws an axis on the current plot?
A. axis()
B. par()
C. mar()
D. jar()
Show Correct Answer
Correct Answer is :
axis()
5. ______ gives the length and height of the current figure in inches.
A. Din
B. Fin
C. Sin
D. Cin
Show Correct Answer
Correct Answer is :
Fin
6. __________ read only parameter that returns the width and height of the current device surface in inches.
A. Din
B. Fin
C. Gin
D. Kin
Show Correct Answer
Correct Answer is :
Din
7. ask=T is a parameter that R asks before producing the _______
A. function
B. package
C. interface
D. graphics
Show Correct Answer
Correct Answer is :
graphics
8. Which of the following declares the current plot undeclared?
A. New = H
B. New = T
C. New = J
D. New = L
Show Correct Answer
Correct Answer is :
New = T
9. Which of the following will be used in fancy plots?
A. New = T
B. New = J
C. New = K
D. New = L
Show Correct Answer
Correct Answer is :
New = T
10. ________ level plotting functions that start a new plot.
A. High
B. Low
C. Medium
D. Simple
Show Correct Answer
Correct Answer is :
High
11. ________ level plotting functions that add elements to an existing plot.
A. High
B. Low
C. Medium
D. Simple
Show Correct Answer
Correct Answer is :
Low
12. Which of the following is the plotting character?
A. Sch
B. Pch
C. Grd
D. Pck
Show Correct Answer
Correct Answer is :
Pch
13. Which of the following is the colour argument?
A. Col
B. Dol
C. Cul
D. Acol
Show Correct Answer
Correct Answer is :
Col
14. ________ is used for main title in graph.
A. Title
B. Main
C. Title Main
D. Main Title
Show Correct Answer
Correct Answer is :
Main
15. _____ programming language is a dialect of S.
A. B
B. C
C. R
D. K
Show Correct Answer
Correct Answer is :
R
16. Point out the WRONG statement :
A. Early versions of the S language contain functions for statistical modeling
B. The book Programming with Data by John Chambers documents S version of the language
C. In 1993 Bell Labs gave StatSci (later Insightful Corp.) an exclusive license to develop and sell the S language
D. All of the mentioned
Show Correct Answer
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.
A. Insightful
B. Amazon
C. IBM
D. All of the mentioned
Show Correct Answer
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 _________
A. John Hopkins
B. California
C. Harvard
D. Auckland
Show Correct Answer
Correct Answer is :
Auckland
19. Point out the wrong statement :
A. R is a language for data analysis and graphics
B. K is language for statistical modelling and graphics
C. One key limitation of the S language was that it was only available in a commercial package, S-PLUS
D. None of the mentioned
Show Correct Answer
Correct Answer is :
K is language for statistical modelling and graphics
20. Finally, in _________ R version 1.0.0 was released to the public.
A. 2000
B. 2005
C. 2010
D. 2012
Show Correct Answer
Correct Answer is :
2000
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