Explanation:Sometimes profiling becomes necessary as a project grows and layers of code are placed on top of each other. 2. Point out the correct statement :
A. The Rprofiler() function starts the profiler in R
B. Using system.time() allows you to test certain functions or code blocks to see if they are taking excessive amounts of time
C. R must not be compiled with profiler support
D. All of the mentioned
Answer:A
Explanation:Sometimes profiling becomes necessary as a project grows and layers of code are placed on top of each other. 2. Point out the correct statement :
A. The Rprofiler() function starts the profiler in R B. Using system.time() allows you to test certain functions or code blocks to see if they are taking excessive amounts of time C. R must not be compiled with profiler support D. All of the mentioned
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.