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.

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 1 of 10

Q1.
R has how many atomic classes of objects?

a.

1

b.

2

c.

3

d.

5

Q2.
Point out the correct statement?
Answer: (a).Empty vectors can be created with the vector() function
Q3.
Numbers in R are generally treated as _______ precision real numbers.
Q4.
If you explicitly want an integer, you need to specify the _____ suffix.

a.

D

b.

R

c.

L

d.

K

Q5.
Point out the correct statement?
Answer: (b).Number Inf represents infinity in R
Q6.
Attributes of an object (if any) can be accessed using the ______ function.
Q7.
R objects can have attributes, which are like ________ for the object.
Q8.
Which of the following can be considered as object attribute?
Q9.
What will be the output of the following R code?
> x <- vector("numeric", length = 10)
> x
Answer: (b).0 0 0 0 0 0 0 0 0 0
Q10.
The ________ function can be used to create vectors of objects by concatenating things together.