Q.1
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
Q.2
R language is a dialect of which of the following languages?
  • S
  • C
  • SAS
  • MATLAB
Q.3
R files has an extension _____.
  • .S
  • .RP
  • .R
  • .SP
Q.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
Q.5
R functionality is divided into a number of ________
  • Packages
  • Functions
  • Domains
Q.6
Many quantitative analysts use R as their____tool?
  • Leading tool
  • Programming tool
  • Both the above
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