RVAideMemoire (version 0.9-27)

LDA.format: Re-formating LDA data

Description

Re-format data obtained from the lda() function of the package MASS, especially to get coordinates of individuals on factorial plans and correlation between original variables and LDA components.

Usage

LDA.format(model)

Arguments

model

object of class "lda" (from the function lda() of the package MASS).

Value

• x
  original data (X variables only).
• grouping
  class of each individual.
• li
  coordinates of each individual on the LDA components.
• co
  correlation between original variables and LDA components.

See Also

lda, s.class, s.corcircle

Examples

require(MASS)
require(ade4)
data(iris)
model.LDA <- lda(iris[,1:4],iris$Species)
coord <- LDA.format(model.LDA)
s.class(coord$li,fac=coord$grouping,col=rainbow(nlevels(coord$grouping)),cellipse=0)
s.corcircle(coord$co,label=abbreviate(rownames(coord$co),3))