# col {base}

### Description

Returns a matrix of integers indicating their column number in a matrix-like object, or a factor of column labels.

### Usage

col(x, as.factor = FALSE)

### Arguments

- x
- a matrix-like object, that is one with a two-dimensional
`dim`

. - as.factor
- a logical value indicating whether the value should be returned as a factor of column labels (created if necessary) rather than as numbers.

### Values

An integer (or factor) matrix with the same dimensions as `x`

and whose `ij`

-th element is equal to `j`

(or the `j`

-th column label).

### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) *The New S Language*. Wadsworth & Brooks/Cole.

### See Also

`row`

to get rows.

### Examples

Documentation reproduced from R 3.0.2. License: GPL-2.