| 摘要 |
A method of comparing actual and user predicted changes in data over a time period is provided. Each time period comprises a plurality of sequential time intervals. Historical data containing historical data values is received from a data input. The change in historical data value between a given time interval and a subsequent time interval is an authentic change. The historical data for each time interval is displayed on a user interface. A data prediction is received for each time interval from a prediction input. The data prediction is whether the historical data value of the subsequent time interval will increase or decrease as compared to the historical data value of the current time interval. The data prediction for each time interval is then compared with the authentic change. The number of data predictions matching the authentic changes over the time period is the user score.
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