Format
A data frame with 26 observations on the following 6 variables.
Site
- a factor with levels
AshleyRails
Caldicot
IsleThorns
Llanedyrn
Al
- Aluminum
Fe
- Iron
Mg
- Magnesium
Ca
- Calcium
Na
- Sodium
Source
Hand, D. J., Daly, F., Lunn, A. D., McConway, K. J., and E., O. (1994)
A Handbook of Small Data Sets. Chapman and Hall.