Quiz  /  R Programming Gate & PSU MCQ Questions With Answers

  • 1. 
    R allows integration with the procedures written in the?

  • C
  • Ruby
  • Java
  • Basic

  • 2. 
    Packages are useful in collecting sets into a_____unit ?

  • Single
  • Multiple

  • 3. 
    R language is a dialect of which of the following languages?

  • S
  • C
  • SAS
  • MATLAB

  • 4. 
    Which of the following finds the maximum value in the vector x, exclude missing values

  • rm(x)
  • all(x)
  • max(x, na.rm=TRUE)
  • x%in%y

  • 5. 
    R files has an extension _____.

  • .S
  • .RP
  • .R
  • .SP

  • 6. 
    Predictive analysis is the branch of __________analysis?

  • Core
  • Advanced
  • Both

  • 7. 
    In R every operation has a ______call?

  • System
  • Function
  • None of the above

  • 8. 
    R functionality is divided into a number of ________

  • Packages
  • Functions
  • Domains

  • 9. 
    R was named partly after the first names of____R authors?

  • One
  • Two
  • Three
  • Four

  • 10. 
    Which of the following is true about R?

  • R is a well-developed, simple and effective programming language
  • R has an effective data handling and storage facility
  • R provides a large, coherent and integrated collection of tools for data analysis.
  • All of the above

  • 11. 
    In 1991, R was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of _________.

  • Auckland
  • Harvard
  • California
  • John Hopkins

  • 12. 
    Many quantitative analysts use R as their____tool?

  • Leading tool
  • Programming tool
  • Both the above

  • 13. 
    How many types of R objects are present in R data type?

  • 4
  • 5
  • 6
  • 7

  • 14. 
    Which function is used to create the vector with more than one element?

  • Library()
  • plot()
  • c()
  • par()

  • 15. 
    Command lines entered at the console are limited to about ________ bytes

  • 4095
  • 4096
  • 4097
  • 4098
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