R Language quiz questions

R Language interview questions

  • 1.

    Which of the following will start the R program ?

    1. $ R

    2. > R

    3. * R

    4. All of the mentioned

    Answer
  • 2.

    Which of the following is default prompt for UNIX environment ?

    1. >

    2. >>

    3. <

    4. All of the mentioned

    Answer
  • 3.

    Point out the wrong statement :

    1. Setting up a workstation to take full advantage of the customizable features of R is a straightforward thing

    2. q() is used to quit the R program

    3. R has an inbuilt help facility similar to the man facility of UNIX

    4. None of the mentioned

    Answer
  • 4.

    The most convenient way to use R is at a graphics workstation running a ________ system.

    1. windowing

    2. running

    3. interfacing

    4. All of the mentioned

    Answer
  • 5.

    Which of the following is used for Statistical analysis in R language ?

    1. RStudio

    2. Studio

    3. Heck

    4. None of the mentioned

    Answer
  • 6.

    Advanced users can write ___ code to manipulate R objects directly.

    1. C

    2. C++

    3. Java

    4. None of the mentioned

    Answer
  • 7.

    How many packages exist in R language for statistics ?

    1. 2000

    2. 3000

    3. 4000

    4. All of the mentioned

    Answer
  • 8.

    Which of the following is “Recommended” package in R ?

    1. util

    2. lang

    3. stats

    4. spatial

    Answer
  • 9.

    Which of the following is a base package for R language ?

    1. util

    2. lang

    3. tools

    4. All of the mentioned

    Answer
  • 10.

    Point out the wrong statement :

    1. One nice feature that R shares with many popular open source projects is frequent releases

    2. R has sophisticated graphics capabilities

    3. S’s base graphics system allows for very fine control over essentially every aspect of a plot or graph.

    4. All of the mentioned

    Answer
  • 11.

    The _________ R system contains, among other things, the base package which is required to run R and

    1. root

    2. child

    3. base

    4. All of the mentioned

    Answer
  • 12.

    R functionality is divided into a number of ________

    1. Packages

    2. Functions

    3. Domains

    4. All of the mentioned

    Answer
  • 13.

    Point out the wrong statement :

    1. Key feature of R was that its syntax is very similar to S

    2. R runs only on Windows computing platform and operating system

    3. R has been reported to be running on modern tablets, phones, PDAs, and game consoles

    4. None of the mentioned

    Answer
  • 14.

    They primary R system is available from the ______.

    1. CRAN

    2. CRWO

    3. GNU

    4. All of the mentioned

    Answer
  • 15.

    R programming language is a dialect of_____.

    1. B

    2. C

    3. S

    4. K

    Answer

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