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R Programming MCQ Quiz (Multiple Choice Questions And Answers)

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11. What is output of getOption(“defaultPackages”) in R studio?

  • Installs a new package
  • Shows default packages in R
  • Error
  • Nothing will print
View Answer

12. R language is a dialect of which of the following languages?

  • S
  • C
  • MATLAB
  • SAS
View Answer

13. How many atomic vector types does R have?

  • 5
  • 6
  • 8
  • 10
View Answer

14. What is the function to set row names for a data frame?

  • row.names()
  • colnames()
  • col.names()
  • column name cannot be set for a data frame
View Answer

15. A single element of a character vector is referred as ________

  •  Character string
  • String
  • Data strings
  • Raw data
View Answer

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