R Programming Questions and Answers – Basics – 1

This set of R Programming Language Multiple Choice Questions & Answers (MCQs) focuses on “Basics – 1”.

1. The most convenient way to use R is at a graphics workstation running a ________ system.
a) windowing
b) running
c) interfacing
d) matrix
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2. Point out the wrong statement?
a) Setting up a workstation to take full advantage of the customizable features of R is a straightforward thing
b) q() is used to quit the R program
c) R has an inbuilt help facility similar to the man facility of UNIX
d) Windows versions of R have other optional help systems also
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3. Which of the following is default prompt for UNIX environment?
a) >
b) >>
c) <
d) <<
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4. Which of the following will start the R program?
a) $ R
b) > R
c) * R
d) @ R
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5. Point out the wrong statement?
a) Windows versions of R have other optional help system also
b) The help.search command (alternatively ??) allows searching for help in various ways
c) R is case insensitive as are most UNIX based packages, so A and a are different symbols and would refer to different variables
d) $ R is used to start the R program
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6. Which of the following statement is alternative to _________

 ?solve 

a) help(solve)
b) print(solve)
c) bind(solve)
d) matrix(solve)
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7. Elementary commands in R consist of either _______ or assignments.
a) utilstats
b) language
c) expressions
d) packages
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8. If a command is not complete at the end of a line, R will give a different prompt, by default it is ____________
a) *
b) –
c) +
d) /
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9. Command lines entered at the console are limited to about ________ bytes.
a) 3000
b) 4095
c) 5000
d) 6000
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10._____ text editor provides more general support mechanisms via ESS for working interactively with R.
a) EAC
b) Emacs
c) Shell
d) ECAP
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Sanfoundry Global Education & Learning Series – R Programming Language.

Here’s the list of Best Books in R Programming Language.