数据挖掘综合应用：数据预处理代码实战

段智华发布时间：2021-11-27 15:42:38 ，浏览量：0

数据挖掘综合应用：数据预处理代码实战

在数据预处理的过程中主要包括两个部分：数据清洗和特征预处理。

数据清洗：缺失值处理：一般包括去除或者填补两种方式。填补方式主要有：均值、中位数、众数、回归分析等。
异常值处理：包括特殊值 (NA)、奇异值以及数据的不一致性（年龄

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数据挖掘综合应用：数据预处理代码实战

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