aitchison359 {robCompositions}R Documentation

Artic lake sediment data

Description

Sand, silt, clay compositions of 39 sediment samples at different water depths in an Arctic lake. This data set can be found on page 359 of the Aitchison book (see reference).

Usage

data(aitchison359)

Format

A data frame with 39 observations on the following 3 variables.

V1
numeric vector of percentages of sand
V2
numeric vector of percentages of silt
V3
numeric vector of percentages of clay

Details

Please note, that the original data set consists of four variables. However, usually the first three are mainly used in applications.

Source

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

Examples

data(aitchison359)

[Package robCompositions version 1.2 Index]