How do you check the data type of a variable in R?
A. typeof(var)
B. class(var)
C. type(var)
D. checkType(var)
Answer: Option B
Related Questions on R Programming Basics
What does the function print() do in R?
A. Display the result of a calculation
B. Read input from the user
C. Plot a graph
D. Install a package
What is the purpose of the seq() function in R?
A. Create a sequence of numbers
B. Sort a vector
C. Merge two data frames
D. Compute the mean of a numeric vector
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