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数据挖掘能处理大量的非线性数据，需要引入决策树才正确地理解应用-Data mining can deal with a large number of nonlinear data, need to introduce the decision tree to correctly understand the application

使用matlab进行数据预处理，包括缺失值和离群值的处理-Using matlab for data preprocessing, including missing values ​ ​ and outliers are treated