R While Loop Flashcard

Front

What is the purpose of loops in programming?

Back

To execute a block of code multiple times

Front

Which of the following is a loop command in R? if, else, while, switch

Back

while

Front

What will the following R code print?
i <- 1
while (i < 6) {
print(i)
i <- i + 1
}

Back

1 2 3 4 5

Front

What does the 'break' statement do in a loop?

Back

Stops the loop immediately

Front

In the context of loops, what does the 'next' statement do?

Back

Skips the rest of the current iteration

Front

What will the following R code print?
i <- 1
while (i < 6) {
if (i == 4) {
break
}
print(i)
i <- i + 1
}
Options: 1 2 3, 2 3 4 5, 1 2 3 4, 1 2 3 4 5

Back

1 2 3

Front

What is the output of this R code?
i <- 0
while (i < 6) {
i <- i + 1
if (i == 3) {
next
}
print(i)
}

Back

1 2 4 5 6

Front

In the Yahtzee example, what does the code print when the dice value is 6?

Back

Yahtzee!

Front

What is required to prevent an infinite loop in a 'while' loop?

Back

A condition that eventually becomes false.

Front

Which of the following is NOT a feature of loops? Reducing errors, Saving time, Reducing code readability, Executing code multiple times

Back

Reducing code readability