biplot.factanal: Biplot method

In robCompositions: Robust Estimation for Compositional Data

Description

Provides robust compositional biplots.

Usage

## S3 method for class 'factanal'
biplot(x, ...)

Arguments

x	object of class ‘factanal’
...	...

Details

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

Value

The robust compositional biplot.

Author(s)

M. Templ, K. Hron

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, 20 (6), 621–632.

See Also

pfa

Examples

data(expenditures)
res.rob <- pfa(expenditures, factors=2, scores = "regression")
biplot(res.rob)

Example output

Loading required package: robustbase
Loading required package: ggplot2
Loading required package: data.table
Loading required package: pls

Attaching package: 'pls'

The following object is masked from 'package:stats':

    loadings

sROC 0.1-2 loaded

Attaching package: 'robCompositions'

The following object is masked from 'package:robustbase':

    alcohol

robCompositions documentation built on April 9, 2018, 1:04 a.m.