invclr {robCompositions}R Documentation

Inverse centred log-ratio transformation

Description

Applies the inverse centred log-ratio transformation.

Usage

invclr(x, useClassInfo = TRUE)

Arguments

x an object of class “clr”, “data.frame” or “matrix”
useClassInfo if the object is of class clr, the useClassInfo is used to determine if the class information should be used. If yes, also absolute values may be preserved.

Value

the transformed data set.

Author(s)

Matthias Templ

References

Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman & Hall Ltd., London (UK). 416p.

See Also

clr, alr, ilr, invalr, invilr

Examples

data(expenditures)
eclr <- clr(expenditures)
inveclr <- invclr(eclr)
head(expenditures)
head(inveclr)
head(invclr(eclr$x.clr))

[Package robCompositions version 1.3.3 Index]