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 made its first appearance in?

1992
1995
1993
1994

2. The mapply() function is a multivariate apply of sorts which applies a function in parallel over a set of arguments.

TRUE
FALSE
Can be true or false
Can not say

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

fun
function
declare
extends

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

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

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

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

6. 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

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

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

8. 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

9. Data Frames are created using the?

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

10. 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

Results