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R Programming MCQs with answers Page - 2

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Mr. Dubey • 51.43K Points
Coach

Q. There are more than . . . . . . . . packages on CRAN that have been developed by users and programmers around the world.

(A) 40
(B) 400
(C) 4000
(D) 40000

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Mr. Dubey • 51.43K Points
Coach

Q. Point out the wrong statement?

(A) : operator is used to create integer sequences
(B) The numbers in the square brackets are part of the vector itself
(C) There is a difference between the actual R object and the manner in which that R object is printed to the console
(D) Files containing R scripts ends with extension .R

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Mr. Dubey • 51.43K Points
Coach

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

(A) 2000
(B) 2005
(C) 2010
(D) 2012

M

Mr. Dubey • 51.43K Points
Coach

Q. A . . . . . . . . is a variable that holds one value at a time.

(A) Scalar variable
(B) Duplex
(C) High
(D) Vector

M

Mr. Dubey • 51.43K Points
Coach

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

(A) calls
(B) expressions
(C) strings
(D) names

M

Mr. Dubey • 51.43K Points
Coach

Q. Scripts will run on . . . . . . . .

(A) Script Editors
(B) Console
(C) Terminal
(D) GCC Compiler

M

Mr. Dubey • 51.43K Points
Coach

Q. Why is it needed for R studio to update regularly?

(A) Bugs
(B) More Functions
(C) Methods
(D) For more packages

M

Mr. Dubey • 51.43K Points
Coach

Q. If commands are stored in an external file, say commands.R in the working directory work, they may be executed at any time in an R session with the command . . . . . . . .

(A) source("commands.R")
(B) exec("commands.R")
(C) execute("commands.R")
(D) exect("command.R")

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