Elementary commands in R consist of either . . . . . . . . or assignments.

What is the primary purpose of R programming language?

A. Web Development

B. Data Analysis

C. Game Development

D. Mobile App Development

In R, what does the function length() do?

A. Returns the sum of elements

B. Returns the number of elements

C. Sorts the elements

D. Computes the mean

How is a comment denoted in R?

A. // Comment

B. /* Comment */

C. # Comment

D. -- Comment

What does the function install.packages() do in R?

A. Load a package

B. Uninstall a package

C. Install a new package

D. Update all packages