robCompositions (version 2.1.0)

perturbation: Perturbation and powering

Description

Perturbation and powering for two compositions.

Usage

perturbation(x, y)
powering(x, a)

Arguments

x

(compositional) vector containing positive values

y

(compositional) vector containing positive values or NULL for powering

a

constant, numeric vector of length 1

Value

Result of perturbation or powering

References

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

Examples

# NOT RUN {
data(expenditures)
x <- expenditures[1 ,]
y <- expenditures[2, ]
perturbation(x, y)
powering(x, 2)
# }

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