robCompositions (version 1.3.2)

plot.pcaCoDa: Plot method

Description

Provides robust compositional biplots.

Usage

plot.pcaCoDa(x, y, ...)

Arguments

x

object of class pcaCoDa

y

...

...

...

Value

• ~Describe the value returned If it is a LIST, use
• comp1
  Description of 'comp1'
• comp2
  Description of 'comp2'
• ...

Details

The robust compositional biplot according to Aitchison and Greenacre (2002), computed from resulting (robust) loadings and scores, is performed.

References

Aitchison, J. and Greenacre, M. (2002). Biplots of compositional data. Applied Statistics, 51, 375-392. \

Filzmoser, P., Hron, K., Reimann, C. (2009) Principal Component Analysis for Compositional Data with Outliers. Environmetrics, accepted for publication.

See Also

pcaCoDa

Examples

data(expenditures)
p1 <- pcaCoDa(expenditures)
p1
plot(p1)