How is the R break Statement useful in a repeat Loop?

a) It allows you to exit the loop when a specific condition is met

b) It pauses the loop until a condition is met

c) It increments the loop counter automatically

d) It repeats the loop from the beginning

Answer:

a) It allows you to exit the loop when a specific condition is met

Explanation:

The break statement is essential in a repeat loop because it provides a way to exit the loop when a specific condition is met. Without the break statement, the repeat loop would continue indefinitely.

# Example using break in a repeat loop
i <- 1
repeat {
    print(i)
    i <- i + 1
    if (i > 5) {
        break  # Exit loop when i exceeds 5
    }
}

# Output:
# [1] 1
# [1] 2
# [1] 3
# [1] 4
# [1] 5

In this example, the loop prints numbers from 1 to 5 and exits when i exceeds 5. The break statement ensures that the loop stops at the appropriate time, making it an essential tool for controlling loop execution.