| 摘要 |
PROBLEM TO BE SOLVED: To extract a combination pattern of items of an attribute corresponding to variation of a value depending on time.SOLUTION: A data analysis device 1 comprises a data analysis processing unit 3 which includes an association analysis processing unit 31 associated with a database 2 in which a time series data table 21 is stored including a value at the first point of time and a value at the second point of time different from the first point of time for each combination of items of an attribute of analysis object data, and the association analysis processing unit has a data input accepting unit for accepting a combination of attributes as input, a value acquisition unit for referring to the database 2 while limiting to a combination of attributes accepted by the data input accepting unit, and acquiring a first value at the first point of time and a second value at the second point of time in the time series data table 21, and an attribute item combination extraction unit for extracting a combination of items of an attribute corresponding to variation between the first value and the second value.SELECTED DRAWING: Figure 1A |
