left {gdata} | R Documentation

## Return the leftmost or rightmost columns of a matrix or dataframe

### Description

Return the leftmost or rightmost or columns of a matrix or dataframe

### Usage

    right(x, n = 6)
    left(x, n=6)

### Arguments

`x` | Matrix or dataframe
`n` | Number of columns to return

### Value

An object consisting of the leftmost or rightmost `n` columns of `x`.

### Author(s)

Gregory R. Warnes greg@warnes.net

### See Also

`first`, `last`, `head`, `tail`

### Examples

     m <- matrix( 1:100, ncol=10 )
     colnames(m) <- paste("Col",1:10, sep="_")
     left(m)
     right(m)

     d <- as.data.frame(m)
     left(d)
     right(d)

[Package gdata version 2.18.0 Index]