Data Science and Machine Learning with R - Basic Types

Why is it important to start with a clean R Studio environment?

• To ensure all students have the same setup

• To avoid installing unnecessary packages

• To save time during the lecture

• To prevent errors in code execution

In R, what term is used to refer to what other languages call 'strings'?

• String

• Word

• Character

• Text

What function in R is used to determine the type of an object?

• type()

• class()

• typeof()

• object()

How does R differentiate between numeric and integer data types?

• By storing them in separate files

• By using different variable names

• By appending a capital 'L' to integers

• By using different functions

What happens when you coerce a numeric value with decimals into an integer in R?

• An error is thrown

• The decimal part is rounded

• The value is converted to a string

• The decimal part is truncated

Which of the following is NOT a representation of a logical data type in R?

• FALSE

• YES

• T

• TRUE

What are the two internal possibilities for logical data types in R?

• On and Off

• 1 and 0

• Yes and No

• True and False