Suppose you have two character vectors and you need to concatenate corresponding elements from each vector with a hyphen in between. How would you do it?

If you have two character vectors in R, you can concatenate corresponding elements from each vector with a hyphen in between using the 'paste()' function with 'sep = "-"'. For example, 'paste(c("Hello", "Goodbye"), c("world!", "friends!"), sep = "-")' would return a vector containing "Hello-world!" and "Goodbye-friends!".