DataFrame的copy的用法复制_dataframe copy

pandas.DataFrame.copy
DataFrame.copy(deep=True)

    
    
    
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当deep=false相当于引用，原值改变复制的结果随着改变。

data=DataFrame.copy(deep=False)
等价于
data=DataFrame

    
    
    
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假设有DataFrame：
在这里插入图片描述

data.loc[["a"],["0"]]=11
x=data.copy(deep=False)
data.loc[["a"],["0"]]=10
x

    
    
    
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结果
在这里插入图片描述

data.loc[["a"],["0"]]=11
x=data.copy(deep=True)
data.loc[["a"],["0"]]=10
x

    
    
    
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在这里插入图片描述

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