The existing performance evaluation indexes are mostly based on one or more historical statistical data, and the combination of intuition with data analysis is often ignored.

已有的业绩评价指标多依据一个或多个历史统计数据，往往忽视直觉与数据分析相结合。

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Importing historically: Importing historical statistical data is possible because ITM is a managed solution, where the data observed over time is persisted to the Tivoli data Warehouse.

导入历史的数据：导入历史的统计数据是可能的，因为ITM是可控制的解决方案，其中随时间所观察的数据都保留在Tivoli Data Warehouse中。

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It also provides predictive statistical abilities based on historical data gathered within the system.

它还能够基于系统收集到的历史数据提供预测统计数据。

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However, the further retention of the data should be allowed where it is necessary for historical, statistical and scientific research purposes, for exercising the right of freedom of expression, when required by law, or where there is a reason to restrict the processing of the data instead of erasing them.

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