declare a function with return value in R

cube_function <- function(x) 
{ 
  return(x^3) 
}

This code declares a function named “cube_function” that takes a single argument “x”. The body of the function calculates the cube of “x” (x to the power of 3) and returns the result with the “return” command. The result of the function can then be stored or used in further calculations. That is, any value assigned to “x” within the function will be cubed and that result will be returned.