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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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.

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

4095
4096
4097
4098

3. 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

4. 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, …)

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

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

6. 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

7. 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

8. Which of the following contains functions for processing uniaxial minute-to-minute accelerometer data?

accelerometry
abc
abd
anc

9. Which splits a data frame and returns a data frame?

apply
ddply
stats
plyr

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

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

Results