13 different measurements for 180 archaeological glass vessels from different groups are included. These groups are certain types of glasses.
data(glass.grp)
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.
K. Varmuza and P. Filzmoser: Introduction to Multivariate Statistical Analysis in Chemometrics. CRC Press, Boca Raton, FL, 2009.
data(glass.grp) str(glass.grp)
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