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.

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. In R programming, the very basic data types are the R-objects called?

Lists
Matrices
Vectors
Arrays

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

Double
Single
Triple
No File

3. You can check to see whether an R object is NULL with the _________ function.

is.null()
is.nullobj()
null()
as.nullobj()

4. How many atomic vector types does R have?

3
4
5
6

5. Which of the following syntax is used to install forecast package?

install.pack("forecast")
install.packages("cast")
install.packages("forecast")
install.pack("forecastcast")

6. Data Frames are created using the?

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

7. Which of the following true about for loop?

Repeats a statement or group of statements while a given condition is true. It tests the condition before executing the loop body.
it tests the condition at the end of the loop body.
Both A and B
None of the above

8. 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

9. What will be output for the following code?

v <- TRUE
print(class(v))

logical
Numeric
Integer
Complex

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

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

Results