R: Generate dummy variable

var.dummy {SYNCSA} | R Documentation

## Generate dummy variable

### Description

Function to expand factor variables in dummy variables in a data.frame. See details.

### Usage

    var.dummy(data)

### Arguments

`data` | A data.frame.

### Details

Variables in the data.frame of class factor is expanded in dummy variables. Each level of factor produce a new column in the dataframe, with presence (1) or absense (0) of level. The name of columns is a combination of orginal variable name plus the level separate by underscore ( _ ). Ordered factor and character class are not expanded.

### Value

`data` | The data with all variables of class factor expanded.
`together` | A list with sugestion to group of traits that are analysed together.

### Author(s)

Vanderlei Julio Debastiani <vanderleidebastiani@yahoo.com.br>

### See Also

`syncsa`, `organize.syncsa`, `var.type`

[Package SYNCSA version 1.3.4 Index]