Rocks: Aitchison's Rock Data
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Aitchison's Rock Data
Description
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”.
Usage
RocksFormat
A data frame with 100 observations on the following 8 variables.
Albite,Blandite,Cornite,Daubite,Enditenumeric vectors
deptha numeric vector
porositya numeric vector
typea factor with levels
BoxiteCoxiteHongiteKongite
Source
Aitchison, J. (2003). The Statistical Analysis of Compositional Data. The Blackburn Press, Caldwell, NJ.
