R: Compositions, depths and porosities of 25 specimens of coxite

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.

[Package compositions version 1.40-2 Index]