Biplot method

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Description

Provides robust compositional biplots.

Usage

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## 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

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

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