robCompositions: skyeLavas – R documentation

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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)

Format

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

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

Author(s)

Matthias Templ matthias.templ@tuwien.ac.at

References

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

Examples

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

robCompositions

Compositional Data Analysis

v2.3.0

GPL (>= 2)

Authors

Matthias Templ [aut, cre] (<https://orcid.org/0000-0002-8638-5276>), Karel Hron [aut] (<https://orcid.org/0000-0002-1847-6598>), Peter Filzmoser [aut] (<https://orcid.org/0000-0002-8014-4682>), Kamila Facevicova [ctb], Petra Kynclova [ctb], Jan Walach [ctb], Veronika Pintar [ctb], Jiajia Chen [ctb], Dominika Miksova [ctb], Bernhard Meindl [ctb], Alessandra Menafoglio [ctb] (<https://orcid.org/0000-0003-0682-6412>), Alessia Di Blasi [ctb], Federico Pavone [ctb], Gianluca Zeni [ctb]

Initial release

2020-11-18