R Programming MCQs with answers Page - 9

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Q. . . . . . . . . will divert all subsequent output from the console to an external file.

  • (A) sink
  • (B) div
  • (C) exp
  • (D) exc
💬 Discuss
✅ Correct Answer: (A) sink

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Which of the following is used for Statistical analysis in R language?

  • (A) RStudio
  • (B) Studio
  • (C) Heck
  • (D) KStudio
💬 Discuss
✅ Correct Answer: (A) RStudio

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Which of the following is a "Recommended" package in R?

  • (A) Util
  • (B) Lang
  • (C) Stats
  • (D) Spatial
💬 Discuss
✅ Correct Answer: (D) Spatial

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. The entities that R creates and manipulates are known as . . . . . . . .

  • (A) objects
  • (B) task
  • (C) container
  • (D) packages
💬 Discuss
✅ Correct Answer: (A) objects

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Which of the following describes R language?

  • (A) Free
  • (B) Paid
  • (C) Available for free trial only
  • (D) Testing
💬 Discuss
✅ Correct Answer: (A) Free

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Is It possible to inspect the source code of R?

  • (A) Yes
  • (B) No
  • (C) Can't say
  • (D) Some times
💬 Discuss
✅ Correct Answer: (A) Yes

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Which of the following packages does not contain in "base" R system?

  • (A) utils, graphics
  • (B) mesh, compiler
  • (C) splines, stats4
  • (D) grDevices, datasets
💬 Discuss
✅ Correct Answer: (B) mesh, compiler

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. In the expression x <- 4 in R, what is the class of 'x' as determined by the `class()' function?

  • (A) Character
  • (B) Numeric
  • (C) Integer
  • (D) Word
💬 Discuss
✅ Correct Answer: (B) Numeric

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Functionality of R is divided into a number of . . . . . . . .

  • (A) Functions
  • (B) Domains
  • (C) Packages
  • (D) Files
💬 Discuss
✅ Correct Answer: (A) Functions

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

Q. Point out the wrong statement?

  • (A) Windows versions of R have other optional help system also
  • (B) The help.search command (alternatively ??) allows searching for help in various ways
  • (C) R is case insensitive as are most UNIX based packages, so A and a are different symbols and would refer to different variables
  • (D) $ R is used to start the R program
💬 Discuss
✅ Correct Answer: (C) R is case insensitive as are most UNIX based packages, so A and a are different symbols and would refer to different variables

Published by Mr. Dubey ⭐ 111.22K Points at 21-Apr-2024 10:04 am in R Programming

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