Data Quality, Level of Aggregation, and Nonmetric Multidimensional Scaling Solutions
George S. Day, Terry H. Deutscher, Adrian B. Ryans · Journal of Marketing Research · 1976
George S. Day, Terry Deutscher, Adrian B. Ryans, Data Quality, Level of Aggregation, and Nonmetric Multidimensional Scaling Solutions, Journal of Marketing Research, Vol. 13, No. 1 (Feb., 1976), pp. 92-97