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Pandas DataFrame 索引属性

❮ DataFrame 参考


示例

返回 DataFrame 的索引信息

import pandas as pd

df = pd.read_csv('data.csv')

print(df.index)
自己尝试 »

定义和用法

The index 属性返回 DataFrame 的索引信息。

索引信息包含行的标签。如果行没有命名索引,则 index 属性返回一个 RangeIndex 对象,其中包含起始、结束和步长值。


语法

dataframe.index

返回值

一个 Pandas Index 对象,包含行的标签。

或者

一个 Pandas RangeIndex 对象,包含起始、结束和步长索引。


❮ DataFrame 参考

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