R Programming MCQs with answers Page - 11

Dear candidates you will find MCQ questions of R Programming here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Share your questions by clicking Add Question

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

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

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. In order to use the R-related functionality in Dundas BI, you must have access to an existing . . . . . . . .

  • (A) Console
  • (B) Terminal
  • (C) Packages
  • (D) R server
💬 Discuss
✅ Correct Answer: (D) R server

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. Command lines entered at the console are limited to about . . . . . . . . bytes.

  • (A) 3000
  • (B) 4095
  • (C) 5000
  • (D) 6000
💬 Discuss
✅ Correct Answer: (B) 4095

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. Point out the wrong statement?

  • (A) One nice feature that R shares with many popular open source projects is frequent releases
  • (B) R has sophisticated graphics capabilities
  • (C) S's base graphics system allows for very fine control over essentially every aspect of a plot or graph
  • (D) All of the mentioned
💬 Discuss
✅ Correct Answer: (C) S's base graphics system allows for very fine control over essentially every aspect of a plot or graph

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. The R-help and . . . . . . . . mailing lists have been highly active for over a decade now.

  • (A) R-mail
  • (B) R-devel
  • (C) R-dev
  • (D) R-del
💬 Discuss
✅ Correct Answer: (B) R-devel

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. . . . . . . . . text editor provides more general support mechanisms via ESS for working interactively with R.

  • (A) EAC
  • (B) Emacs
  • (C) Shell
  • (D) ECAP
💬 Discuss
✅ Correct Answer: (B) Emacs

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. Which of the following is a base package for R language?

  • (A) util
  • (B) lang
  • (C) tools
  • (D) spatial
💬 Discuss
✅ Correct Answer: (C) tools

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. What is the function to set column names for a matrix?

  • (A) names()
  • (B) colnames()
  • (C) col.names()
  • (D) column name cannot be set for a matrix
💬 Discuss
✅ Correct Answer: (B) colnames()

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. What will be the output of the following R code?
x<- c (“a”,” b”)
as.numeric(x)

  • (A) [1] 1 2
  • (B) [1] TRUE TRUE
  • (C) [1] NA NA (Warning message: NAs introduced by coercion)
  • (D) [1] NAN
💬 Discuss
✅ Correct Answer: (C) [1] NA NA (Warning message: NAs introduced by coercion)

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Q. Files containing R scripts ends with extension . . . . . . . .

  • (A) .S
  • (B) .R
  • (C) .Rp
  • (D) .SP
💬 Discuss
✅ Correct Answer: (B) .R

Published by Mr. Dubey ⭐ 111.42K Points at 21-Apr-2024 10:04 am in R Programming

Programming Categories

📱 Download Our App

Learn MCQs on the go with our easy-to-use Android app

Get it on Google Play