Provides robust compositional biplots.
## S3 method for class 'factanal' biplot(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.
data(expenditures) res.rob <- pfa(expenditures, factors=2, scores = "regression") biplot(res.rob)
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