Which of the following code constructs vector of length 11?
A. > v <- 3*x + y + 1
B. > v <- 3*x + y + 2
C. > v <- 2*x + y + 1
D. > v <- 2*x + y + 4
Answer: Option C
A. > v <- 3*x + y + 1
B. > v <- 3*x + y + 2
C. > v <- 2*x + y + 1
D. > v <- 2*x + y + 4
Answer: Option C
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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