arcticLake {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(arcticLake)

Format

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

sand
numeric vector of percentages of sand
silt
numeric vector of percentages of silt
clay
numeric vector of percentages of clay

Details

The rows sum up to 100, except for rounding errors. The full data set including the water depth can be found in package compositions, for example.

Source

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

Examples

data(arcticLake)

[Package robCompositions version 1.3.3 Index]