A mineral compositions of 25 rock specimens of kongite type. Each composition consists of the percentage by weight of five minerals, albite, blandite, cornite, daubite, endite.
data(Kongite)
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 percentage sums to 100.
Aitchison, J. (1986) The Statistical Analysis of Compositional Data, (Data 2), pp2.