Appropriate attention is given to the preprocessing of data.
适当的注意被给数据的预处理。
One is all the preprocessing and transforming of the data into the proper view for analysis.
一是把数据预处理并转换成适当视图用以分析的所有操作。
Attribute reduction is one of important step in preprocessing of data mining, it improves the efficiency of the data mining algorithm by reducing the dimensions of the information.
属性约简是数据挖掘预处理中非常重要的一步，它通过减少信息的维数提高数据挖掘算法的效率。
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