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.

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 11 of 13

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01

History and Overview of R Programming Language

02

Basics of R Programming Language

03

Data Types and Dataset Reading

04

Formats,Objects and Operations

05

Scoping Rules and Debugging

06

Profiling,Simulation and Data Analysis

07

Commands and Packages

08

Visualizing Data and Linear Regression

09

Distributions and Graphics in R programming

Q101.

___________ function gives an error message if the desired package cannot be loaded.

Dplyr

Require

Library

Sample

Discuss

Answer: (c).Library

Q102.

A ________________ in R programming language can also contain numeric and alphabets along with special characters like dot and underline.

Variable name

Number

Integer

Character

Discuss

Answer: (a).Variable name

Q103.

The current user defined objects like lists, vectors, etc. is referred to as __________ in the R language.

Work names

Work space

Environment

Console

Discuss

Answer: (a).Work names

Q104.

Which function helps you perform sorting in R language?

Order

Inorder

Simple

Library

Discuss

Answer: (a).Order

Q105.

Which function is used to create a histogram for visualisation in R programming language?

Library

Hist

Data

Refer

Discuss

Answer: (b).Hist

Q106.

Write the syntax to set the path of the current working directory in R environment?

Setwd(“dipath”)

Setwd(dir_path)

Setwd(“dir_path”)

Set(“dir_path”)

Discuss

Answer: (c).Setwd(“dir_path”)

Q107.

What will be the output of runif()?

Random number

Numbers

Character

Path generation

Discuss

Answer: (a).Random number

Q108.

________ function generates “n” normal random numbers based on the mean and standard deviation arguments passed to the function.

rnorm

vnorm

knorm

lnorm

Discuss

Answer: (a).rnorm

Q109.

Write a function to extract the first name in the string “Mrs. Jake Luther”?

Substring

Substr

Substi

Return

Discuss

Answer: (b).Substr

Q110.

_________ package provides basic functionalities in R environment like arithmetic calculations, input/output.

R base

R boost

R serve

R comm

Discuss

Answer: (a).R base

Page 11 of 13

Welcome to the Control Structures and Functions MCQs Page

Control Structures and Functions MCQs | Page 11 of 13

Explore more Topics under R Programming

History and Overview of R Programming Language

Basics of R Programming Language

Data Types and Dataset Reading

Formats,Objects and Operations

Scoping Rules and Debugging

Profiling,Simulation and Data Analysis

Commands and Packages

Visualizing Data and Linear Regression

Distributions and Graphics in R programming

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