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

s
c
sas
matlab

2. What will be output for the following code?

v <- TRUE
print(class(v))

logical
Numeric
Integer
Complex

3. Data Frames are created using the?

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

4. 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

5. What will be output for the following code?

v <- LETTERS[1]
for ( i in v) {
   print(v)
}

A
A B
A B C
A B C D

6. Which statement simulates the behavior of R switch?

Next
Previous
break
goto

7. How will you check if an element is present in a vector?

Match()
Dismatch()
Mismatch()
Search()

8. What will be output for the following code?

print(mean(25:82))

1526
53.5
50.5
55

9. R is free software distributed under a GNU-style copy left, and an official part of the GNU project called?

GNU A
GNU S
GNU L
GNU R

10. What will be output for the following code?

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

logical
Numeric
Integer
Character

Results