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Pandas DataFrame head() 方法

❮ DataFrame 参考


示例

返回 DataFrame 的前 5 行。

在这个例子中,我们使用了一个名为 data.csv 的 .csv 文件。

import pandas as pd

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

print(df.head())
自己尝试 »

定义和用法

The head() 方法返回指定数量的行,从顶部开始。

如果未指定数字,则 head() 方法返回前 5 行。

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注意:除了指定的行之外,还会返回列名。


语法

dataframe.head(n)

参数

参数 描述
n 可选。要返回的行数。默认值为 5。

返回值

一个包含标题和指定行数的 DataFrame


❮ DataFrame 参考

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