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