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Pandas DataFrame 的 select_dtypes() 方法

❮ DataFrame 参考


示例

仅返回数据类型为 'int64' 的列的 DataFrame

import pandas as pd

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

newdf = df.select_dtypes(include='int64')
自己试试 »

定义和用法

The select_dtypes() 方法返回一个新的 DataFrame,其中包含/排除指定数据类型的列。

使用 include 参数指定要包含的列,或使用 exclude 参数指定要排除的列。

注意: 必须至少指定一个参数 include 和/或 exclude,否则会报错。


语法

dataframe.select_dtypes(include, exclude)

参数

这些参数是 关键字参数

参数 描述
include 字符串|列表 结果中要包含的列。如果 exclude 参数不存在,则需要此参数。
exclude 字符串|列表 结果中要排除的列。如果 include 参数不存在,则需要此参数。

返回值

包含指定列并排除指定列的 Pandas DataFrame


❮ DataFrame 参考

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