dichotom {GDAtools}

Dichotomizes the variables in a data frame

Description

Dichotomizes the variables in a data frame exclusively composed of categorical variables, i.e. transforms the data into an indicator matrix (also known as disjunctive table)

Usage

dichotom(data, out = "numeric")

Arguments

data

data frame of categorical variables

out

character string defining the format for dichotomized variables in the output data frame. Format may be "numeric" (default) or "factor".

Value

Returns a data frame with dichotomized variables. The number of columns is equal to the total number of categories in the input data.

Author(s)

Nicolas Robette, Julien Barnier

Examples

## Dichotomizes Music example data frame
data(Music)
dic <- dichotom(Music[,1:5])
str(dic)

## with output variables in factor format
dic <- dichotom(Music[,1:5], out='factor')
str(dic)