Columns are the different fields that contain their particular values when we create a DataFrame. We can perform certain operations on both rows & column values. Sometimes we might need torename a particular co
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 Python, used for data analysis, cleaning, and manipulation ...
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...
Frequently asked questions about renaming columns in pandas: How to Rename Multiple Columns? To rename multiple columns, use therenamemethod with a dictionary mapping old column names to new ones. Example: df.rename(columns={'OldName1': 'NewName1', 'OldName2': 'NewName2'}, inplace=True)...
How can I rename a column by index in pandas? To rename a column by index in pandas, you can use therenamemethod along with thecolumnsparameter. For example, therenamemethod is used with thecolumnsparameter to specify the mapping of the old column name to the new column name. Theinplace...
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("\...
Image Source: A screenshot example of removing a Pandas DataFrame column using the drop method, Edlitera But as mentioned previously, because I didn't set theinplaceargument toTrue, my DataFrame wasn't modified. If we do want to modify it, I just need to set theinplaceargument toTrue: ...
In the below example, it is shown that we can rename multiple columns at a time. Theidcolumn is renamed withRoll No, andStudent NamesreplaceNames. Example Code: importpandasaspd df1=pd.DataFrame({"id":["ID1","ID2","ID3","ID4"],"Names":["Harry","Petter","Daniel","Ron"]})displ...
2. Pandas Rename Single Column If you want to rename a single column, just pass the single key-value pair in the columns dict parameter. df1 = df.rename(columns={'Name': 'EmpName'}) print(df1) Output: EmpName ID Role 0 Pankaj 1 CEO ...