What will be the output of the following R code?
> x <- vector("list", length = 5)
> x
> x <- vector("list", length = 5)
> x
A. NULL
B. 1
C. 0
D. 4
Answer: Option A
> x <- vector("list", length = 5)
> x
A. NULL
B. 1
C. 0
D. 4
Answer: Option A
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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