Dataset:  cottonaov.dat

Source: E.S. Rudnick (1950). "Statistical Quality Control at Work in a Cotton
Mill," Textile Reseach Journal, Vol. 20, pp. 727-734.

Description: Roving measurements of cotton in a mill, obtained on 4 days, from
4 spindles, at each of 3 positions. Presumably day and spindle would be random
effects.

Variables/Columns:
Day   8
Spindle   16
Position   24  /* 1=Outside, 2=Middle, 3=Inside  */
Roving measurement   30-32