Sample dataset from p. 175 to test the package.
data(massart97ex1)
A dataframe containing 6 observations of x and y data.
Massart, L.M, Vandenginste, B.G.M., Buydens, L.M.C., De Jong, S., Lewi, P.J., Smeyers-Verbeke, J. (1997) Handbook of Chemometrics and Qualimetrics: Part A, Chapter 8.