R array manipulation

Question

In python lists can be sliced like this x[4:-1] to get from the fourth to the last element.

In R something similar can be accomplished for vectors with

Answer 1

You could use the drop elements syntax:

> (1:10)[-(1:4)]
[1]  5  6  7  8  9 10

Answer 2

In case you are interested in slicing the last n elements of the array then you could use:

x[seq(length=n, from=length(x), by=-1)]