Coxite {compositions} | R Documentation |
Compositions, depths and porosities of 25 specimens of coxite
Description
A mineral compositions of 25 rock specimens of coxite type. Each composition consists of the percentage by weight of five minerals, albite, blandite, cornite, daubite, endite, the depth of location, and porosity.
Usage
data(Coxite)
Details
A mineral compositions of 25 rock specimens of coxite type. Each composition consists of the percentage by weight of five minerals, albite, blandite, cornite, daubite, endite,the recorded depth of location of each specimen, and porosity. Porosity is the percentage of void space that the specimen contains. We abbreviate the minerals names to A, B, C, D, E.
All row percentage sums to 100.
Note
Courtesy of J. Aitchison
Source
Aitchison: CODA microcomputer statistical package, 1986, the file name BOXITE.DAT, here included under the GNU Public Library Licence Version 2 or newer.
References
Aitchison: The Statistical Analysis of Compositional Data, 1986, Data 4, pp4.