Intermediate
R
Q60 / 100
What is the difference between "&" and "&&" in R?
Correct! Well done.
Incorrect.
The correct answer is B) "&" performs element-wise vectorized AND on vectors, while "&&" evaluates only the first elements and short-circuits, intended for single logical values
B
Correct Answer
"&" performs element-wise vectorized AND on vectors, while "&&" evaluates only the first elements and short-circuits, intended for single logical values
Explanation
"&" is vectorized over all elements, while "&&" (and "||") evaluate left to right and stop as soon as the result is determined, working on single values.
Progress
60/100