Rocks {DirichletReg} | R Documentation |
A compilation of four datasets listed in Aitchison (2003)
Each type of rock has 25 observations – to use only a certain type of rock, see “Details”.
Rocks
A data frame with 100 observations on the following 8 variables.
Albite
, Blandite
, Cornite
, Daubite
, Endite
numeric vectors
depth
a numeric vector
porosity
a numeric vector
type
a factor with levels Boxite
Coxite
Hongite
Kongite
Aitchison, J. (2003). The Statistical Analysis of Compositional Data. The Blackburn Press, Caldwell, NJ.