For 15 cereals an X and Y data set, measured on the same objects, is available.
The X data are 145 infrared spectra, and the Y data are 6 chemical/technical
properties (Heating value, C, H, N, Starch, Ash). Also the scaled Y data are
included (mean 0, variance 1 for each column).
The cereals come from 5 groups B=Barley, M=Maize, R=Rye, T=Triticale, W=Wheat.