cols

Syntax

cols(X)

Arguments

X is a vector/matrix/table.

Details

Return the total number of columns in X. Please check related function: rows.

Examples

$ x=1..6$2:3;
$ x;

#0	#1	#2
1	3	5
2	4	6

$ cols x;
3

$ a=table(1..3 as x,`IBM`C`AAPL as y);
$ a;

x	y
1	IBM
2	C
3	AAPL

$ cols a;
2

$ y=1 2 3;
$ cols(y);
1
// a vector can be viewed as an n*1 matrix