Nominal2Binary: Transformation of a nominal variable into a binary indicator...

In NominalLogisticBiplot: Biplot representations of categorical data

Description

This function transforms a nominal variable into a binary matrix with as many colums as categories. Each row of the matrix has a value of 1 for the corresponding level of the category and 0 elsewhere.

Usage

Nominal2Binary(y)

Arguments

y	A vector containing the values of nominal variable measured on a set of individuals- The values must be integers starting at 1.

Value

An object of type matrix:

Z	The binary indicator matrix asociated to the nominal variable

Author(s)

Jose Luis Vicente-Villardon,Julio Cesar Hernandez Sanchez

Maintainer: Jose Luis Vicente-Villardon <[e-mail]>

Examples

  
  data(HairColor)
  Nominal2Binary(as.numeric(HairColor[,1]))
  

NominalLogisticBiplot documentation built on May 2, 2019, 6:03 a.m.