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Pandas DataFrame 的 droplevel() 方法

❮ DataFrame 参考


示例

删除 DataFrame 的第二行(索引 1)

import pandas as pd

data = {
  "name": ["Bill", "Bob", "Betty"],
  "age": [50, 50, 30],
  "qualified": [True, False, False]
}
df = pd.DataFrame(data).set_index(["name", "age"])

newdf = df.droplevel(0)
自己尝试 »

定义和用法

droplevel() 方法删除指定的行或列。

您可以使用索引或标签来指定行或列。


语法

dataframe.droplevel(level, axis)

参数

axis 参数是 关键字参数

参数 描述
level   必需,数字、字符串或列表,指定要删除的级别
axis 0
1
'index'
'columns
可选,默认为 0。指定要从中删除的轴

返回值

删除指定行/列后的 DataFrame

此方法不会更改原始 DataFrame。


❮ DataFrame 参考

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