[R] Help with "split".

[rkevinburton at charter.net]

I read in the documentation for split:

‘split’ divides the data in the vector ‘x’ into the groups defined by ‘f’. 

But I am still unclear as to its function. Take for example:

x <- 1:4
split(x, c(0,1))
$`0`
[1] 1 3

$`1`
[1] 2 4

I am not clear on how this result is reached.

Thank you.

Kevin