transfo_quali {OTrecod}

transfo_quali()

Description

A function that transforms a factor of n(>1) levels in (n-1) binary variables.

Usage

transfo_quali(x, labx = NULL)

Arguments

x

a factor

labx

a new label for the generated binary variables (By default the name of the factor is conserved)

Value

A matrix of (n-1) binary variables

Author(s)

Gregory Guernec

[e-mail]

Examples

treat <- as.factor(c(rep("A", 10), rep("B", 15), rep("C", 12)))
treat_bin <- transfo_quali(treat, "trt")