klaR (version 0.4-1)

quadtrafo: Transforming of 4 dimensional values in a barycentric coordinate system.

Description

Transforming of 4 dimensional values in a barycentric coordinate system.

Usage

quadtrafo(e, f = NULL, g = NULL, h = NULL)
        
quadlines(e, f = NULL, g = NULL, h = NULL, sp, ...)

quadpoints(e, f = NULL, g = NULL, h = NULL, sp, ...)

Arguments

e
either a matrix with 4 columns represanting the membership values or a vector with the membership values of the first class
f
vector with the membership values of the second class
g
vector with the membership values of the third class
h
vector with the membership values of the forth class
sp
scatterplot3d object to which points or lines should be plotted
...
further arguments passed to the underlyind plot functions

Value

  • For quadtrafo the 3 dimensional values in the barycentrix coordinate system.

concept

  • Visualizing Classification Performance Measures
  • Barycentric plots

See Also

triplot, quadplot

Examples

Run this code
library(MASS)
data(B3)
posterior <- predict(lda(PHASEN ~ ., data = B3))$post
quadtrafo(posterior)

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