... applied, to analyze data and to get a start. Most data mining techniques are not pri-marily used for undirected data mining. Association rule analysis, on the other hand, is used in this case and ... OJ and milk, OJ and detergent, OJ and soda, OJ and cleaner Milk and detergent, milk and soda, milk and cleaner Detergent and soda, detergent and cleaner Soda and cleaner This is a total ... rule, Knowledge Discovery and Data Mining 58 formula from mathematics). On the other hand, a typical supermarket has at least 10,000 different items in stock, and more typically 20 ,000 or...