Provides robust compositional biplots.
# S3 method for factanal biplot(x, ...)
object of class ‘factanal’
...
The robust compositional biplot.
The robust compositional biplot according to Aitchison and Greenacre (2002), computed from resulting (robust) loadings and scores, is performed.
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
# NOT RUN { data(expenditures) res.rob <- pfa(expenditures, factors=2, scores = "regression") biplot(res.rob) # }
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