R Programming MCQs with answers Page - 113

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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Q. What is the purpose of the method symbols in R?

  • (A) Draw symbols
  • (B) Draw other shapes
  • (C) Draw symbols and other shapes
  • (D) None of the mentioned

A

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Q. How to save chart as a Window metafile?

  • (A) metafile()
  • (B) win.metafile()
  • (C) file()
  • (D) metawin()

A

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Q. Which is the method used to save chart as a ps file?

  • (A) ps()
  • (B) postscript()
  • (C) script()
  • (D) post(script)

A

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Q. Which of the following are methods used to save charts?

  • (A) pdf()
  • (B) jpeg()
  • (C) bmp()
  • (D) all of the mentioned

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Q. Which is the method used to draw a bar plot?

  • (A) bar_plot()
  • (B) plot(bar)
  • (C) barplot()
  • (D) plotbar()

A

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Q. What is the purpose of the method par()?

  • (A) Makes the text vertical
  • (B) Makes the text horizontal
  • (C) Makes the text diagonal
  • (D) None of the mentioned

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Q. How many parameters does the WebPageTest API accept?

  • (A) 5
  • (B) 6
  • (C) 7
  • (D) 8

A

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Q. Which type of comment is not supported in R?

  • (A) Single-line comments
  • (B) Multi-line comments
  • (C) Both Single-line & Multi-line comments
  • (D) Both Single-line & Multi-line comments

A

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Q. What is the usage of the keyword "?" in R?

  • (A) Help window
  • (B) Extensive search
  • (C) Error correction
  • (D) Error detection

A

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Q. Which symbol is used to start a comment in R?

  • (A) /
  • (B) $
  • (C) #
  • (D) None of the mentioned

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