tail
Syntax
tail(obj, [n=1])
Arguments
obj is a vector/matrix/table.
n is a positive integer. The default value is 1.
Details
Return the last n element(s) of a vector, or the last n columns of a matrix, or the last n rows of a table.
Examples
$ x=1..10;
$ tail(x);
10
$ tail(x,2);
[9,10]
$ x=1..10$2:5;
$ x;
#0 |
#1 |
#2 |
#3 |
#4 |
|---|---|---|---|---|
1 |
3 |
5 |
7 |
9 |
2 |
4 |
6 |
8 |
10 |
$ x.tail();
[9,10]
$ tail(x,2);
#0 |
#1 |
|---|---|
7 |
9 |
8 |
10 |
$ x=table(1..5 as a, 6..10 as b);
$ x;
a |
b |
|---|---|
1 |
6 |
2 |
7 |
3 |
8 |
4 |
9 |
5 |
10 |
$ tail(x);
b->10
a->5
$ x.tail(2);
a |
b |
|---|---|
4 |
9 |
5 |
10 |
Related function: head