adplus-dvertising

Welcome to the Control Structures and Functions MCQs Page

Dive deep into the fascinating world of Control Structures and Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Control Structures and Functions, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Control Structures and Functions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within R Programming.

frame-decoration

Check out the MCQs below to embark on an enriching journey through Control Structures and Functions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of R Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Control Structures and Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Control Structures and Functions MCQs | Page 5 of 13

Discuss
Answer: (d).All of the mentioned
Q42.
The __________ function returns a list of all the formal arguments of a function.
Discuss
Answer: (a).formals()
Q43.
What will be the output of the following R code snippet?
> f <- function(num = 1) {
+        hello <- "Hello, world!\n"
+        for(i in seq_len(num)) {
+                cat(hello)
+         }
+         chars <- nchar(hello) * num
+         chars
+ }
> f()
Discuss
Answer: (a).Hello, world!
[1] 14
Discuss
Answer: (a).A formal argument can be a symbol, a statement of the form ‘symbol = expression’, or the special formal argument
Q45.
You can check to see whether an R object is NULL with the _________ function.
Discuss
Answer: (a).is.null()
Q46.
Which of the following code will print NULL?
Discuss
Answer: (a).> args(paste)
Q47.
What will be the output of the following R code snippet?
> f <- function(a, b) {
+       a^2
+ }
> f(2)

a.

4

b.

3

c.

2

d.

5

Discuss
Answer: (a).4
Q48.
What will be the output of the following R code snippet?
> paste("a", "b", sep = ":")
Discuss
Answer: (c).“a:b”
Q49.
What will be the output of the following R code snippet?
> f <- function(a, b) {
+              print(a)
+              print(b)
+ }
> f(45)
Discuss
Answer: (d).45
Q50.
R Commander is used to ___________ in R.
Discuss
Answer: (b).Import data
Page 5 of 13

Suggested Topics

Are you eager to expand your knowledge beyond R Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!