df.rename(columns={"A":"a","B":"b", "C":"c"}, inplace=True,errors='raise') # displaying the columns # after renaming print(df.columns) 输出: 出现错误 注:本文由VeryToolz翻译自Rename specific column(s) in Pandas,非经特殊声明,文中代码和图片版权归原作者eshwitha_reddy所有,本译文的...
inplace=True)# Rename specifi columns# Using lambda functiondf.rename(columns=lambdax:'ren_'+x,inplace=True)# Using String replace()# To rename specific columndf.columns=df.columns.str.replace("Duration","Course_Duration")# Rename specific all column namesdf.columns=df.columns.str.replace('...
How to Rename Specific DataFrame Columns … Fariba LaiqFeb 02, 2024 PandasPandas DataFrame Column Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% The rectangular grid where the data is stored in rows and columns in Python is known as a Pandas dataframe. Each row represents...
In order to rename a single column name on pandas DataFrame, you can usecolumn={}parameter with the dictionary mapping of the old name and a new name. Note that when you usecolumnparam, you cannot explicitly useaxisparam. pandasDataFrame.rename()accepts a dict(dictionary) as a param for ...
Sometimes it is required to rename the single or specific column names only. Use thecolumnparameter ofDataFrame.rename()function and pass the columns to be renamed. Use the following syntax code to rename the column. df.rename(columns={'column_current_name':'new_name'}) ...
The most significant advantage of this method is that you can specify as many columns as you want. It is quite useful when you need to rename specific columns and unlike previous methods no need to list the entire column list for theDataFrame. ...
When merging, use thesuffixesparameter to automatically add suffixes to overlapping column names. For more specific renaming, rename columns of individual DataFrames before merging. Example:df1.rename(columns={'A': 'df1_A'}, inplace=True) df2.rename(columns={'A': 'df2_A'}, inplace=True)...
import pandas as pd def test(): # 读取Excel文件 df = pd.read_excel('测试数据.xlsx') # 插入列 df.insert(loc=2, column='爱好', value=None) # 保存修改后的DataFrame到新的Excel文件 df.to_excel('结果.xlsx', index=False) test() 3、插入多列 假设我需要在D列(班级)后面插入5列,表头名...
rename方法 pd.rename()方法可以用于重命名 DataFrame 或 Series 对象的 index 或 column。以下是此方法的常用参数: mapper:字典、函数、Series、下面三个中的任何一个组成的可迭代对象,用于将列名或索引名映射到新名称。 index:布尔值或者可选参数,默认为 True,如果值为 False,表示只重命名列名。 columns:布尔值...
We can rename single column or multiple columns with this function, depending on the values in the dictionary. Let’s look into some examples of using Pandas rename() function. 1. Pandas Rename Columns import pandas as pd d1 = {'Name': ['Pankaj', 'Lisa', 'David'], 'ID': [1, 2...