R Programming Quiz


Play this quiz that will help you to excel in R certification exams, placements etc. This R programming quiz consist of 10 questions that you need to solve in 10 minutes. We’ve specially designed this quiz so that you can quickly acquaint to the pattern of questions you can be asked in placement drives, certification exams etc. This test enables you to assess your knowledge of R programming.

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R MCQs

Practice R Programming MCQ Questions, which will help you to understand R Programming language and will help in developing statistical softwares.

R Quiz

Try Free R Quiz, to start a quiz you need to login first, after login you will get start quiz button and then by clicking on that you can start quiz. You will get 10 Minutes to answer all questions.

R Quiz

1. Point out the correct statement?

Empty vectors can be created with the vector() function
A sequence is represented as a vector but can contain objects of different classes
"raw” objects are commonly used directly in data analysis
The value NaN represents undefined value

2. R was created by?

Ross Ihaka
Robert Gentleman
Both A and B
Ross Gentleman

3. DESCRIPTION uses a very simple file format called DCF.

TRUE
FALSE
Can be true or false
Can not say

4. R allows integration with the procedures written in the?

C
Ruby
Java
Basic

5. A bundled package is a package that’s been compressed into a ______ file.

Double
Single
Triple
No File

6. Which statement simulates the behavior of R switch?

Next
Previous
break
goto

7. _______ function returns a vector of the same size as x with the elements arranged in increasing order.

sort()
orderasc()
orderby()
sequence()

8. An R function is created by using the keyword?

fun
function
declare
extends

9. Point out the wrong statement?

Multi-line expressions with curly braces are just not that easy to sort through when working on the command line
lappy() loops over a list, iterating over each element in that list
lapply() does not always returns a list
You cannot use lapply() to evaluate a function multiple times each with a different argument

10. Which of the following contains functions for processing uniaxial minute-to-minute accelerometer data?

accelerometry
abc
abd
anc

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