Dataset: art_rmv_spots1.dat Source: K.G. Eirk (1972). "An Experimental Evaluation of Accepted Methods for Removing Spots and Stains from Works of Art on Paper," Bulletin of the American Group. International Institute for Conservation of Historic and and Artistic Works, Vol. 12, #2, pp. 82-87 Description: Results of Experiment to compare 34 methods of removing stains from Aged paper. 10 reps/treatment. Data simulated to preserve treatment means, SDs. Variables/Columns Trt 7-8 Brightness score 10-16