Python Pandas - 设置索引的名称


要设置索引名称,请使用 index.set_names() 并将索引名称作为参数包含在内。

首先,导入所需的库 -

import pandas as pd

创建索引 -

index = pd.Index(['Car','Bike','Truck','Car','Airplane'])

显示索引 -

print("Pandas Index...\n",index)

设置索引名称 -

print("\nIndex name...\n",index.set_names('Vehicle'))

示例

以下是代码 -

import pandas as pd

# Creating the index
index = pd.Index(['Car','Bike','Truck','Car','Airplane'])

# Display the index
print("Pandas Index...\n",index)

# Return an array representing the data in the Index
print("\nArray...\n",index.values)

# Set the index name
print("\nIndex name...\n",index.set_names('Vehicle'))

输出

这将生成以下代码 -

Pandas Index...
Index(['Car', 'Bike', 'Truck', 'Car', 'Airplane'], dtype='object')

Array...
['Car' 'Bike' 'Truck' 'Car' 'Airplane']

Index name...
Index(['Car', 'Bike', 'Truck', 'Car', 'Airplane'], dtype='object', name='Vehicle')

更新于: 13-10-2021

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