Explanation:They system.time() function takes an arbitrary R expression as input and returns the amount of time taken to evaluate the expression. 5. Point out the correct statement :
A. Rprofiler() tabulates how much time is spent inside each function
B. Rprof() keeps track of the function call stack at regularly sampled intervals
C. By default, the profiler samples the function call stack every 2 seconds
D. None of the mentioned
Answer:A
Explanation:They system.time() function takes an arbitrary R expression as input and returns the amount of time taken to evaluate the expression. 5. Point out the correct statement :
A. Rprofiler() tabulates how much time is spent inside each function B. Rprof() keeps track of the function call stack at regularly sampled intervals C. By default, the profiler samples the function call stack every 2 seconds D. None of the mentioned
Explanation:The profiler is started by calling the Rprof() function. 6. system.time function returns an object of class _______ which contains two useful bits of information.