| 摘要 |
PURPOSE:To exactly and speedily select an investment object, which is changed in a complicated manner by a time sequence such as a stock brand or the like, according to the purpose of the investment by providing a function to search the structural change of time sequence data. CONSTITUTION:The time sequence data of a stock price is inputted to a data base (secondary storage device)1 and the constitution of this data is fixed in the meaning of fixing the number of the stock brands. Then, this data is equipped with the feature of widely fluctuating the data value of the stock price. This data is processed by a state monitoring mechanism 4 and a state inference mechanism 5, sent to a terminal 6 and transmitted to a trader W. In such a case, by dividing the fluctuation of the time sequence data into patterns and catching the transition of the pattern according to the probability, the structural change of the time sequence data is searched. Thus, the suitable couple can be selected in a short time out of a time sequence data group equipped with the wide value fluctuation such as the stock brand. |
