Data preprocessing is a critical step in the data mining as a whole process and it has vital impact on the success of a data mining project.

数据预处理在数据挖掘项目中有着举足轻重的作用，是数据挖掘整个过程的关键步骤之一。

youdao

Data preprocessing is a critical step in the data mining as a whole process and it has vital impact on the success of a data mining project.

数据预处理在数据挖掘项目中有着举足轻重的作用，是数据挖掘整个过程的关键步骤之一。

youdao