ArcticLake {DirichletReg}

Arctic Lake Data (Aitchison)

Description

These data are taken from Aitchison (2003) and contain information on the relation of sediment composition with depth in an Arctic lake.

Usage

ArcticLake

Format

A data frame with 39 observations on the following 4 variables:

sand, silt, clay

relative frequencies of sand, silt, and clay

depth

water depth in meters

Source

Aitchison, J. (2003). The Statistical Analysis of Compositional Data. The Blackburn Press, Caldwell, NJ.

Examples

head(ArcticLake)
AL <- DR_data(ArcticLake[,1:3])
plot(AL)
summary(AL)