Explanation:However, this approach assumes that you already know where the problem is and can call system.time() on it that piece of code. 3. R comes with a ________ to help you optimize your code and improve its performance.
A. debugger
B. monitor
C. browser
D. profiler
Answer:A
Explanation:However, this approach assumes that you already know where the problem is and can call system.time() on it that piece of code. 3. R comes with a ________ to help you optimize your code and improve its performance.
A. debugger B. monitor C. browser D. profiler
Explanation:In general, it’s usually a bad idea to focus on optimizing your code at the very beginning of development. 4. The _______ function computes the time (in seconds) needed to execute an expression.