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

Bestseller by Pluralsight

In this course, you will learn various constructs of R programming and get hands-on practice in order to become an efficient and productive R programmer.

7 Hours
Paid

Take the Free Practice Test



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. What will be output for the following code?

v <- ""TRUE""
print(class(v))

logical
Numeric
Integer
Character

2. R language is a dialect of which of the following languages?

s
c
sas
matlab

3. Which of the following character skip during execution?

v <- LETTERS[1:6]
for ( i in v) {
   
   if (i == ""D"") {
      next
   }
   print(i)
}

A
B
C
D

4. 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

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

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

6. Which functions gives the count of levels?

level
levels
nlevels
nlevel

7. Which function in R language is used to find out whether the means of 2 groups are equal to each other or not?

f.tests ()
l.tests ()
t.tests ()
p.tests ()

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

> x <- vector(""numeric"", length = 10)
> x

1 0
0 0 0 0 0 0 0 0 0 0
0 1
0 0 1 1 0 1 1 0

9. What will be the output of log (-5.8) when executed on R console?

NA
NAN
0.213
Error

10. Data Frames are created using the?

frame() function
data.frame() function
data() function
frame.data() function

Results