R Programming MCQs with answers Page - 5

Here, you will find a collection of MCQ questions on R Programming. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

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Q. What will be the output of the following R program?
r<-0:10
r[2]

  • (A) 0
  • (B) 1
  • (C) 2
  • (D) 3

A

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Q. Which Package contains most fundamental functions to run R?

  • (A) root
  • (B) child
  • (C) base
  • (D) parent

A

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Q. R is technically much closer to the Scheme language than it is to the original . . . . . . . . language.

  • (A) B
  • (B) C
  • (C) C++
  • (D) S

A

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Q. What is NaN called?

  • (A) Not a Number
  • (B) Not a Numeric
  • (C) Number and Number
  • (D) Number a Numeric

A

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Q. What will be the output of the following R function?
Sys.time()

  • (A) Tomorrow date and time
  • (B) Present date and time
  • (C) Some date
  • (D) Yesterday date and time

A

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Q. Version of R released to the public in 2000 was . . . . . . . .

  • (A) 1.0.0
  • (B) 1.0.3
  • (C) 2.0.1
  • (D) 1.1.0

A

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Q. At higher level one "limitation" of R is that its functionality is based on . . . . . . . .

  • (A) Consumer demand
  • (B) User contributions
  • (C) User contributions and Consumer demand
  • (D) Lower level contributions

A

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Q. . . . . . . . . hosts many add-on packages that can be used to extend the functionality of R.

  • (A) CRAN
  • (B) GNU
  • (C) R studio
  • (D) 450

A

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Q. What are the typeof(x) and mode(x) in the following R syntax?
x<-1:3

  • (A) Numeric, Integer
  • (B) Integer, Numeric
  • (C) Integer, Integer
  • (D) Numeric, Numeric

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