robCompositions (version 2.4.1)

skyeLavas: aphyric skye lavas data

Description

AFM compositions of 23 aphyric Skye lavas. This data set can be found on page 360 of the Aitchison book (see reference).

Usage

data(skyeLavas)

Arguments

Format

A data frame with 23 observations on the following 3 variables.

Author

Matthias Templ matthias.templ@tuwien.ac.at

Details

  • sodium-potassium a numeric vector of percentages of Na2O\(+\)K2O

  • iron a numeric vector of percentages of Fe2O3

  • magnesium a numeric vector of percentages of MgO

References

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

Examples

Run this code

data(skyeLavas)
str(skyeLavas)
summary(skyeLavas)
rowSums(skyeLavas)

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