Dataset: shelfspace.dat

Source: K. Cox (1964). "The Responsiveness to Shelf Space Changes
in Supermarkets," Journal of Marketing Research, Vol.1 #2, pp. 63-67

Description: Latin Square Design of weekly sales of 4 categories
over 6 weeks in 6 stores at 6 levels of shelf space.
Product Categories:
1=Hominy    (Shelf space = 4 to 14 by 2)
2=Baking Soda    (2 to 12 by 2)
3=Tang      (6 to 21 by 3)
4=Powdered Coffee Cream    (6 to 21 by 3)

Variables/Columns
Product Category    8
Store              16
Week               24
Shelf Space        31-32
Sales              38-40