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

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

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

Lapply
Japply
Vapply
Zapply

3. Point out the correct statement?

Empty vectors can be created with the vector() function
A sequence is represented as a vector but can contain objects of different classes
"raw” objects are commonly used directly in data analysis
The value NaN represents undefined value

4. R allows integration with the procedures written in the?

C
Ruby
Java
Basic

5. Which statement simulates the behavior of R switch?

Next
Previous
break
goto

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

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

7. Command lines entered at the console are limited to about ________ bytes

4095
4096
4097
4098

8. Data Frames are created using the?

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

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

s
c
sas
matlab

10. Which of the following is valid body of split function?

function (x, f)
function (x, f, drop = FALSE, …)
function (x, drop = FALSE, …)
function (drop = FALSE, …)

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