R: Remove or rename variables in a dataframe

rename.vars {gdata} | R Documentation

## Remove or rename variables in a dataframe

### Description

Remove or rename a variables in a data frame.

### Usage

    rename.vars(data, from="", to="", info=TRUE)
    remove.vars(data, names="", info=TRUE)

### Arguments

`data` | dataframe to be modified.
`from` | character vector containing the current name of each variable to be renamed.
`to` | character vector containing the new name of each variable to be renamed.
`names` | character vector containing the names of variables to be removed.
`info` | boolean value indicating whether to print details of the removal/renaming. Defaults to TRUE.

### Value

The updated data frame with variables listed in `from` renamed to the corresponding element of `to`.

### Author(s)

Code by Don MacQueen macq\@llnl.gov. Documentation by Gregory R. Warnes greg@warnes.net

### See Also

`names`, `colnames`, `data.frame`

### Examples

    data <- data.frame(x=1:10,y=1:10,z=1:10)
    names(data)
    data <- rename.vars(data, c("x","y","z"), c("first","second","third"))
    names(data)

    data <- remove.vars(data, "second")
    names(data)

[Package gdata version 2.18.0 Index]