geological {mrfDepth}

Composition of elements in soil samples around the Baltic Sea

Description

This data originates from a geological survey on the composition in agricultural soils from 10 countries surrounding the Baltic Sea. Top soil (0-25 cm) and bottom soil (50-75 cm) samples from 768 sites were analysed. This data frame contains the measurements corresponding to the total concentration of four elements in the top soil samples.

Usage

data(geological)

Format

A data frame containing the following variables:

Fe2O3

Iron Oxide

MgO

Magnesium oxide

MnO

Manganese oxide

TiO2

Titanium dioxide

Source

Reimann C., Siewers U., Tarvainen T., Bityukova L., Eriksson J., Gilucis A., Gregorauskiene V., Lukashev V., Matinian N.N., Pasieczna A. (2000). Baltic soil survey: total concentrations of major and selected trace elements in arable soils from 10 countries around the Baltic Sea. Science of the Total Environment, 257, 155–170.

References

Hubert M., Van der Veeken S. (2008). Outlier detection for skewed data. Journal of Chemometrics, 22, 235–246.

Examples

data(geological)
plot(geological)