ROWLEN

Purpose:

Produces a column of the lengths of each row of the input table.

ROWLEN(a)

A series or table.

A single column series with the same number of rows as the input table.

a = {{2, 4, 6},

{8, 10}}

b = rowlen(a)

b == {3, 2}

ROWLEN works with arrays with differing number of elements.