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Pandas DataFrame squeeze() 方法

❮ DataFrame 参考


示例

将 DataFrame 压缩成 Series

import pandas as pd

data = {
  "age": [50, 40, 30, 40, 20, 10, 30]
}
df = pd.DataFrame(data)

s = df.squeeze()
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定义和用法

The squeeze() 方法将单列 DataFrame 转换为 Series。


语法

dataframe.squeeze(axis)

参数

参数是 关键字参数

参数 描述
axis None
0
1
'index'
'columns'
可选。默认值为 None。指定要压缩的轴

返回值

一个 Series,或者如果它不是单列 DataFrame,则为 DataFrame


❮ DataFrame 参考

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