Dataset: underwater_ingots.csv

Source: E. Caponetti, F. Armetta, L. Brusca, et al (2017).
"A Multivariate Approach to the Study of Orichalum Ingots from the
Underwater Gela's Archaeological Site," Microchemical Journal,
Vol. 135, pp. 163-170.

Description: Component and Concentrations of 21 chemicals and Cu/Zn
ratio for 38 sample ingot specimens from an underwater archaeological
site.
Variables Cu-Fe are in %, Ni-Ba in parts per million, Cu_Zn is Cu/Zn