size
Syntax
size(X)
Arguments
X is a scalar/vector/matrix/table.
Details
For a vector/matrix, size returns the number of elements. In comparison, count returns the number of non-null elements.
For an in-memory table, size returns the number of rows.
Examples
$ size(3 NULL 5 6);
4
$ count(3 NULL 5 6);
3
$ m=1 2 3 NULL 4 5$2:3;
$ m;
#0 |
#1 |
#2 |
---|---|---|
1 |
3 |
4 |
2 |
5 |
$ size(m);
6
$ count(m);
5
$ t = table(1 NULL 3 as id, 3 NULL 9 as qty);
$ t;
id |
qty |
---|---|
1 |
3 |
3 |
9 |
$ size(t);
3
$ count(t);
3