Data Science and Machine Learning with R - R Basics

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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
What is the primary function of the console pane in R Studio?
To edit R scripts
To manage project files
To interact directly with R
To display graphical outputs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used for multiplication in the R console?
x
*
+
/
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you input text without quotes in the R console?
It is treated as a comment
It results in an error
It is printed as text
It is ignored
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function can be used to combine two pieces of text in R?
join()
paste()
merge()
concat()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you retrieve previous commands in the R console?
Using the 'ctrl + z' shortcut
Using the 'backspace' key
Using the 'history' function
Using the 'up' arrow key
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the logical operation '10 > 5' in R?
Error
False
Undefined
True
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data type in R allows for decimal numbers?
Numeric
Integer
Character
Logical
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