Python数据预处理(sklearn.preprocessing)—归一化

  归一化 (Normalization)： -------------------- 常用的方法是将属性缩放到一个指定的最大和最小值（通常是1-0）之间，这可以通过preprocessing.MinMaxScaler类实现。 ``` preprocessing.MinMaxScaler() ```   标准化(Standardization)： --------------------- 将数据按比例缩放，使之落入一个小的特定区间内，标准化后的数据可正可负，一般绝对值不会太大。  ``` preprocessing.scale(X)…

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How to Rename a Column in Pandas

There are multiple ways to rename a column in Pandas. Here are three common methods: 1. Using the `rename()` method: ``` df.rename(columns={'old_name':'new_name'}, inplace=True) ``` 2. Assigning a new list of column names to `df.columns`: ``` df.columns = ['new_name1', …

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