Data analysis apparatus, data analysis program, and data analysis method

摘要

There is provided with a data analysis method including: reading out, from a database which is a set of records each including plural explanation variables and a target variable, the target variables of the records; generating a first plurality of clusters based on the read target variables of the records; determining to which cluster each record belongs; generating a classification rule for predicting a cluster from explanation variables; storing the generated classification rule; selecting an explanation variable referred to in the generated classification rule; storing the selected explanation variable in an explanation variable list; and generating a second plurality of clusters based on explanation variables in the records on the explanation variable list and the target variables of the records.