| 摘要 |
PROBLEM TO BE SOLVED: To provide an analysis result of a customer segment more appropriately with respect to purchase data or the like.SOLUTION: A data analyzer has: a storage part which stores purchase data including attributes of goods and an amount of purchase associated with respective customer identification data; a dispersion directional axis identification part which identifies a plurality of prescribed axes in order of size of dispersion of a plurality of points in the axial direction on the basis of coordinate positions of the plurality of points showing purchase data when the points showing the purchase data are placed in a multi-dimensional space to which dimensions are assigned by each of a plurality of goods attributes with respect to the amount of purchase; a representative data set generation part which generates a set corresponding to two points present on both ends in the axial direction respectively and imparts prescribed customer segment identifiers to respective representative data; a customer segment identifier imparting part which imparts a customer segment identifier of the representative data whose distance from the respective representative data included in the set of representative data is the shortest; and an information output part which outputs information about a plurality of purchase data to which the customer segment identifiers stored in the storage part are imparted. |
