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Pandas DataFrame 属性

❮ DataFrame 参考


示例

返回 "firstname" 列中索引为 1 的值

import pandas as pd

data = {
  "firstname": ["Sally", "Mary", "John"],
  "age": [50, 40, 30],
  "qualified": [True, False, False]
}

df = pd.DataFrame(data)
print(df.at[1, "firstname"])
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定义和用法

at 属性获取或设置指定位置的值。

指定要返回的单元格的行(索引)和列(标签)。


语法

dataframe.at[index, label)

参数

参数 描述
index 必需。指定行索引的数字。

label 必需。列的标签。


返回值

指定单元格的值。


❮ DataFrame 参考

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