Principle component analysis is based on multi-statistics method, and turning into an important way to proceed data for production monitoring and quality control.
主成分分析属多元统计方法，正逐步成为控制领域中一种重要的数据处理方法，用于生产监测和质量控制。
Used of the data statistics, data mining, model analysis and other methods, mainly deal with the following two questions:1. Multi-attribute associations (select) problem.
研究中主要用到了数据统计法、数据挖掘法、模型分析法等多种方法，主要解决以下两个问题：1、多属性关联（查询）问题。
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