Question

The _______ function computes the time (in seconds) needed to execute an expression. (a) system.timedeb() (b) system.time() (c) system.datetime() (d) system.deb() This question was posed to me in an online interview. My doubt is from R Profiler in division Profiling, Simulation and Data Analysis of R Programming Select the correct answer from above options

Answer 1

Correct choice is (b) system.time() Explanation: They system.time() function takes an arbitrary R expression as input and returns the amount of time taken to evaluate the expression.