RVAideMemoire (version 0.9-45-2)

LDA.format: Re-formating LDA data

Description

Re-formats data obtained from lda, 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 lda).

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))