13 different measurements for 180 archaeological glass vessels from different groups are included. These groups are certain types of glasses.
The format is: num [1:180] 1 1 1 1 1 1 1 1 1 1 ...
This is a vector with 180 elements referring to the groups.
Janssen, K.H.A., De Raedt, I., Schalm, O., Veeckman, J.: Microchim. Acta 15 (suppl.) (1998) 253-267. Compositions of 15th - 17th century archaeological glass vessels excavated in Antwerp.
K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemometrics. CRC Press, Boca Raton, FL, 2009.
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