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.

R Programming Fundamentals

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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. Which of the following package provide namespace management functions not yet present in base R?

stringr
nbpMatching
messagewarning
namespace

2. How many atomic vector types does R have?

3
4
5
6

3. .library() is not useful when developing a package since you have to install the package first.

TRUE
FALSE
Can be true or false
Can not say

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

TRUE
FALSE
Can be true or false
Can not say

5. R files has an extension _____.

.S
.RP
.R
.SP

6. What will be the output of the following R code?

install.packages(c("devtools", "roxygen2"))

Develops the tools
Installs the given packages
Exits R studio
Nothing happens

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

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

8. What will be output for the following code?

> sqrt(-17)

-4.02
4.02
3.67
NAN

9. In the base graphics system, which function is used to add elements to a plot?

Boxplot()
Text()
Treat()
Both A and B

10. Which function is preferred over sapply as vapply allows the programmer to specific the output type?

Lapply
Japply
Vapply
Zapply

Results