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Pandas DataFrame idxmin() 方法

❮ DataFrame 参考


示例

返回销售额最低的行索引和年龄最低的行索引

import pandas as pd

data = {
  "sales": [23, 34, 56],
  "age": [50, 40, 30]
}

df = pd.DataFrame(data)

print(df.idxmin())
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定义和用法

The idxmin() 方法返回一个 Series,其中包含每列最小值的索引。

通过指定列轴 (axis='columns'), idxmin() 方法返回一个 Series,其中包含每行最小值的索引。


语法

dataframe.idxmin(axis, skipna)

参数

参数是 关键字参数

参数 描述
axis 0
1
'index'
'columns'
可选,检查哪个轴,默认值为 0。
skipna True
False
可选,默认值为 True。指定是否跳过 NULL 值。

返回值

一个包含具有最低值的行的索引/列的 Series


❮ DataFrame 参考

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