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Welcome to the Data Types and Dataset Reading MCQs Page

Dive deep into the fascinating world of Data Types and Dataset Reading with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types and Dataset Reading, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Types and Dataset Reading, 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 Data Types and Dataset Reading. 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 Data Types and Dataset Reading. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Types and Dataset Reading MCQs | Page 6 of 10

Explore more Topics under R Programming

Q51.
Decimal values are referred as ________ data types in R.

a.

Numeric

b.

Character

c.

Integer

d.

Lists

Discuss
Answer: (a).Numeric
Q52.
Which is the basic data structure of R containing the same type of data?

a.

Functions

b.

Array

c.

Vector

d.

Lists

Discuss
Answer: (c).Vector
Q53.
In R using the function, ________ one can check the data type of vector.

a.

Typeof()

b.

Castof()

c.

Function()

d.

C()

Discuss
Answer: (a).Typeof()
Q54.
__________are Data frames which contain lists of homogeneous data in a tabular format.

a.

Matrix

b.

Vector

c.

Lists

d.

Array

Discuss
Answer: (c).Lists
Q55.
The four most frequently used types of data objects in R are vectors, matrices, data frames and ________

a.

Function

b.

Lists

c.

Packages

d.

Interfaces

Discuss
Answer: (b).Lists
Q56.
A __________ is a set of elements appearing in rows and columns where the elements are of the same mode whether they are logical, numeric (integer or double), complex or character.

a.

Vector

b.

Matrix

c.

Lists

d.

Data frames

Discuss
Answer: (b).Matrix
Q57.
What is the simplest way of creating the vector?

a.

C function

b.

Create

c.

Destroy

d.

Invalid

Discuss
Answer: (a).C function
Q58.
Which function replicates elements of vectors?

a.

C

b.

Rep

c.

Crep

d.

Grep

Discuss
Answer: (b).Rep
Q59.
The ________ function creates a regular sequence of values to form a vector.

a.

sequel

b.

Rep

c.

seq

d.

Grep

Discuss
Answer: (c).seq
Q60.
Which function is used to enter in data at the terminal?

a.

Scanned

b.

Scnn

c.

Scan

d.

Sccn

Discuss
Answer: (c).Scan
Page 6 of 10

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