biplot.factanal: Biplot method
In robCompositions: Robust Estimation for Compositional Data

Description Usage Arguments Details Value Author(s) References See Also Examples

View source: R/biplot.factanal.R

Provides robust compositional biplots.

1 2	## S3 method for class 'factanal' biplot(x, ...)

`x`	object of class ‘factanal’
`...`	...

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

The robust compositional biplot.

M. Templ, K. Hron

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.

pfa

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

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