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Pandas DataFrame assign() 方法

❮ DataFrame 参考


示例

向 DataFrame 添加新列

import pandas as pd

data = {
  "age": [16, 14, 10],
  "qualified": [True, True, True]
}
df = pd.DataFrame(data)

newdf = df.assign(name = ["Emil", "Tobias", "Linus"])
自己尝试 »

定义和用法

The assign() 方法向现有的 DataFrame 添加新列。


语法

dataframe.assign(kwargs)

参数

参数 描述
kwargs 必需。新的列名和值

返回值

添加了新列的 DataFrame

此方法不会更改原始 DataFrame。


❮ DataFrame 参考

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