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;
// output
3
a=table(1..3 as x,`IBM`C`AAPL as y);
a;
x | y |
---|---|
1 | IBM |
2 | C |
3 | AAPL |
cols a;
// output
2
y=1 2 3;
cols(y);
// output
1 // a vector can be viewed as an n*1 matrix