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R programming - take the quiz

What is the syntax for creating a vector in R?
C()
V()
Vector()
Vec()
2. Which of the following is not a valid data type in R?
Integer
Character
Boolean
String
Factor
What does the function mean() do in R?
4. Which package in R is commonly used for data visualization?
Ggplot2
Dplyr
Tidyr
Plyr
What does the function read.csv() do in R?
Which operator is used for exponentiation in R?
^
**
%%
//
7. What does the function str() do in R?
Which function is used to generate random numbers from a normal distribution in R?
Rnorm
Runif
Rpois
Rexp
Which package in R is commonly used for statistical modeling and inference?
Stats
Base
Dplyr
Ggplot2
What does the function subset() do in R?
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