col
Syntax
col(obj, index)
or
column(obj, index)
Arguments
obj is a vector/matrix/table.
index is an integral scalar or pair.
Details
Return a column of a vector/matrix/table. Please check related function: row.
Examples
x=1..6$3:2;
x;| #0 | #1 |
|---|---|
| 1 | 4 |
| 2 | 5 |
| 3 | 6 |
col(x,0);
// output
[1,2,3]
x.col(1);
// output
[4,5,6]
a=table(1..3 as x,`IBM`C`AAPL as y);
a;| x | y |
|---|---|
| 1 | IBM |
| 2 | C |
| 3 | AAPL |
a col 1;
// output
["IBM","C","AAPL"]