Apply a Function over a Ragged Array in R Programming - tapply() Function

tapply() function in R Language is used to apply a function over a subset of vectors given by a combination of factors

Syntax: tapply(vector, factor, fun) Parameters: vector: Created Vector factor: Created Factor fun: Function to be applied

Example 1: Output:

 1 2 3 
10 18 17 

This is how above code works: 👁 Image
  Example 2: Output:

 1 2 3 
24 210 72