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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.

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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 8 of 13

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Q71.
_________ variables are categorical variables which can hold either string or numeric values.

a.

Factor

b.

Simpler

c.

Function

d.

Package

Discuss
Answer: (a).Factor
Q72.
What is the memory limit in R for 64 bit system?

a.

8 TB

b.

9TB

c.

10TB

d.

16TB

Discuss
Answer: (a).8 TB
Q73.
What is the memory limit in R for 32 bit system?

a.

8 TB

b.

9TB

c.

10TB

d.

3GB

Discuss
Answer: (d).3GB
Q74.
What are the data types in R on which binary operators can be applied?

a.

Scalars

b.

Matrices

c.

Vectors

d.

Scalars, Matrices and Vectors

Discuss
Answer: (d).Scalars, Matrices and Vectors
Q75.
__________ function is used in applying a function each level of factors.

a.

With()

b.

By()

c.

To()

d.

Here()

Discuss
Answer: (b).By()
Q76.
How do you create log linear models in R language?

a.

loglm()

b.

logmn()

c.

logfn()

d.

loghy()

Discuss
Answer: (a).loglm()
Q77.
What will be the class of the vector if you concatenate a number and NA?

a.

Number

b.

Character

c.

Integer

d.

No class

Discuss
Answer: (a).Number
Q78.
____________ is one type of the simplest machine learning classification algorithms that is a subset of supervised learning based on lazy learning.

a.

K-Nearest Neighbour

b.

Naïve Bayes

c.

Travelling Salesman

d.

N-Queen

Discuss
Answer: (a).K-Nearest Neighbour
Q79.
What will be the class of the vector if you concatenate a number and a character?

a.

Number

b.

Character

c.

Integer

d.

No class

Discuss
Answer: (b).Character
Q80.
R code can be tested using _________________ package.

a.

Dplyr

b.

Hadley’s testthat

c.

SKLearn

d.

KNN

Discuss
Answer: (b).Hadley’s testthat
Page 8 of 13

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