| 摘要 |
Provided is a grouping system that can accurately determine a group of customers who have similar purchase tendencies, and can accurately determine a group of products or product-related items that are similar in terms of purchase tendencies, or a group of services or service-related items that are similar in terms of purchase tendencies. For every combination of customer and product, or for every combination of customer and product-related item, which is an item related to a product, a purchase tendency calculating means 3 calculates, on the basis of customers' product purchase situations, the tendency of a customer to buy a product. On the basis of customers' tendencies and the distribution of said tendencies, a grouping means 4 determines a group of customers and determines a group of products or a group of product-related items. |
