Intro to Basics

Question 1

What are the most common data types in R?

Answer 1

Numerics: decimal values (4.2, 1, 12.01, 10)

Integers: whole numbers (12, 2000, 45)

Logicals: boolean values (TRUE, FALSE)

Characters: text or string values (“Hello World”, “some text.”)

Question 2

Is R case sensitive?

Answer 2

Yes

Question 3

Which function checks the data type of a variable in R?

Answer 3

class()