Question

_______ divides the time spend in each function by the total run time

(a) “by.sum”

(b) “by.total”

(c) “by.self”

(d) “by.del”

This question was posed to me at a job interview.

My doubt stems from R Profiler in portion Profiling, Simulation and Data Analysis of R Programming

Answer 1

Correct answer is (b) “by.total”

To elaborate: “by.self” does the same as “by.total”.