Profiling and Debugging - Assignment Geeks

Description

Provide in the plain text the commands that do the following:

1. Turn on the profiler in R.
2. Calculate how much time is spent in which function.
3. Shows the sequence of calls.
4. Debugs the error, once you know in which function the error occurred.
5. Investigates the environment where the error occurred.

How to solve the following problems (you are stuck at the point below):

1. > myString <- “Good things come in threes +
2. > age <- c(28, 48, 47, 71, 22, 80, 48, 30, 31) > means(age) Error in means(age) : could not find function “means”
3. > name_of_a_variable_that_doesnt_exist + 1 * pi^2 Error: object ‘name_of_a_variable_that_doesnt_exist’ not found
4. Error: Evaluation error: zip file ‘C:UsersmansDatasome_file.xlsx’ cannot be opened.
5. > 1+2(2+3) Error: attempt to apply non-function

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