A mineral compositions of 25 rock specimens of hongite type. Each composition consists of the percentage by weight of five minerals, albite, blandite, cornite, daubite, endite.
data(Hongite)
A mineral compositions of 25 rock specimens of hongite type. Each composition consists of the percentage by weight of five minerals, albite, blandite, cornite, daubite, endite, which we conveniently abbreviate to A, B, C, D, E. All row sums are equal to 100, except for rounding errors.
Aitchison (1986): The Statistical Analysis of Compositional Data; (Data 1), pp2, 9.