While usingDataFrame.rename(), we need to pass a parameter as a dictionary of old column names and new column names in the form of keys and values. One more parameter(inplace = True)is need to be passed to chang
How to rename column name in pandas By: Rajesh P.S.The Pandas DataFrame rename() method can be used to rename one or more columns at once: # rename the 'Salary' column to 'Income' df = df.rename(columns={'Salary': 'Income'}) Pandas is a popular data manipulation library in ...
In Python, renaming columns label is useful when working with a pandas Dataframe with no column names or want to rename a specific column’s names. This article covers all the cases of renaming column labels of thepandas DataFrame. You will learn the following functions available in the pandas...
import pandas as pd # Sample DataFrame data = {"ID": [1, 2, 3], "Name": ["Alice", "Bob", "Charlie"], "Age": [25, 30, 33]} df = pd.DataFrame(data) # Define a dictionary for column renaming column_mapping = {"ID": "EmployeeID", "Name": "EmployeeName", "Age": "Em...
Renaming columns in a pandas DataFrame is a common task in data manipulation. You can rename columns using therenamemethod. Here’s a basic example to illustrate how you can rename columns: Suppose you have a DataFramedfwith columns['A', 'B', 'C']and you want to rename column'A'to'X...
若设置为 True，则在原DataFrame上进行修改。下面通过几个示例来说明 rename函数的用法：示例1：重命名单个列名import pandas as pddata = {'A': [1, 2, 3],'B': [4, 5, 6]}df = pd.DataFrame(data)print("Original DataFrame:")print(df)df = df.rename(columns={'A': 'Column1'})print("\...
The Python programming code below shows how to exchange only some particular column names in a pandas DataFrame.For this, we can use the rename function as shown below:data_new2 = data.copy() # Create copy of DataFrame data_new2 = data_new2.rename(columns = {"x1": "col1", "x3":...
1 a 1 4 2 b 8 7 3 NaN 7 2 4 c 6 3 #修改列标签 df.index = ['a0','a1','a2','a3','a4'] df col1 col2 col3 a0 a 2 0 a1 a 1 4 a2 b 8 7 a3 NaN 7 2 a4 c 6 3 方法2:pandas.DataFrame.rename()函数 rename函数是专门为了修改DataFrame坐标轴标签函数。rename函数的优点...
import pandas as pd data = { "age": [50, 40, 30], "qualified": [True, False, False] } idx = ["Sally", "Mary", "John"] df = pd.DataFrame(data, index=idx) newdf = df.rename({"Sally": "Pete", "Mary": "Patrick", "John": "Paula"}) print(newdf)...
Pandas DataFrame.rename() function is used to change the single column name, multiple columns, by index position, in place, with a list, with a dict, and