Dataset: woolfrict1.dat Source: J. Lindberg(1953). "Relationship Between Various Surface Properties of Wool Fibers: Part II: Frictional Properties," Textile Research Journal, Vol. 23, pp. 225-237. Description: Results of Experiment measuring top shrinkage under 3 treatments (untreated, ether-extracted, ether/alcohol extracted), measured at 3 levels of pH (2, 6, 10), over 3 experimental runs (nested within treatments). Variables/Columns Run 8 Treatment 16 /* 1=untrt, 2=ether, 3=ether/alcohol */ pH level 24 Top Shrinkage 29-32