This paper focuses on the research of data preprocessing in data mining.
本文重点研究了数据挖掘的预处理环节。
Therefore, a general method of data preprocessing is introduced in this paper.
从而给出了考试分析系统中数据预处理的一般性方法。
In numerical analysis, people are always concerned about preprocessing.
在数值分析中，前处理总是人们关心的问题。
Data preprocessing is analyzed and studied in this paper.
论文对此类数据预处理进行了分析和研究。
Data preprocessing is analyzed and studied in this paper.
论文对此类数据预处理进行了分析和研究。
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