I have found the following solution on here about the post: https://stackoverflow.com/a/34327262/2994949
The user eipi10 uses = insted of <- to assign a value to the corrFunc function. Why does he do this?
Also, he/she creates the data.frame in the next line, but does not use a return to have that data.frame returned from the code. The function works, so I wonder why and how.
EDIT
Does it provide any advantages to used or not to use the returncommand? This is something that has not been answered before, that's why I think this is not a duplicate.
I tried to ask this in a comment, but I need 50 reputation to put comments and why I put an answer in the initial thread, it was immediately deleted. Could anybody tell me, how to ask about a solution I find in a thread when I can not comment and can not post an answer?
Thank you.
EDIT
The first part of my question has been answered partly by the link but I still do not understand why the return is avoided. thanks :)
From ?return:
If the end of a function is reached without calling return, the value of the last evaluated expression is returned.
For example,
f <- function() {
x <- 1
x
}
is equivalent to the same function with return(x) as the last statement. Perhaps surprisingly,
f <- function() {
x <- 1
}
also returns the same value, but returns it invisibly. There is a minor schism (perhaps not quite as strong as the = vs. <- schism) about whether it's better practice to always use an explicit return(): I believe it is good practice (because it makes the intention of the code more explicit), but many old-school R programmers prefer the implicit return value.