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How to calculate time required by a function ?
How to calculate time required by a function ?
This recipe helps you calculate time required by a function
Recipe Objective
Time elapsed to execute a function is a crucial element in a data scientist's job specifically when you have to deal with large datasets. Since there are different approaches to do the same task, time required to these tasks plays an important role when we deal with large dataset. This recipe demonstrates us to calculate time required by a function to execute.
We will use system.time() function to carry out this task
Step 1: Create a function
square_2 = function(x){
print(2^2)
}
Step 2: Calculating Time Required
We are interested in the Time "elapsed" i.e. time required to execute the function
system.time({square_2()})
[1] 4
user system elapsed
0 0 0
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