skyeLavas {robCompositions} | R Documentation |
AFM compositions of 23 aphyric Skye lavas. This data set can be found on page 360 of the Aitchison book (see reference).
data(skyeLavas)
A data frame with 23 observations on the following 3 variables.
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
Matthias Templ matthias.templ@tuwien.ac.at
Aitchison, J. (1986) The Statistical Analysis of Compositional Data Monographs on Statistics and Applied Probability. Chapman and Hall Ltd., London (UK). 416p.
data(skyeLavas)
str(skyeLavas)
summary(skyeLavas)
rowSums(skyeLavas)