Why is it important to start with a clean R Studio environment?
Data Science and Machine Learning with R - Basic Types

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In R, what term is used to refer to what other languages call 'strings'?
String
Word
Character
Text
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What function in R is used to determine the type of an object?
type()
class()
typeof()
object()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a representation of a logical data type in R?
FALSE
YES
T
TRUE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two internal possibilities for logical data types in R?
On and Off
1 and 0
Yes and No
True and False
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