Introduction
Retail chains have a huge amount of sales data available. An analysis of these data strives to understand customer behavior and determine customer valueto increase profits. The information about customers can be utilized in various areas such as new product development (Li et al., 2012), product positioning (Gruca & Klemz, 2003), cross-category dependence (Hruschka et al., 1999; Leeflang et al., 2008; Russell & Petersen, 2000), product complements and substitutes determination (Chib et al., 2002; Srivastava et al., 1981), category management (Duchessi et al., 2004), promotions planning (Trappey et al., 2009), online marketing (Chen et al.,...