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DataFrame. rename (mapper = None, *, index = None, columns = None, axis = None, copy = None, inplace = False, level = None, errors = 'ignore') [source] # Rename columns or index labels. Function / dict values must be unique (1-to-1).
Rename Specific Columns. Use the df.rename() function and refer the columns to be renamed. Not all the columns have to be renamed: df = df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}) # Or rename the existing DataFrame (rather than creating a copy) df.rename(columns={'oldName1': 'newName1', 'oldName2': 'newName2'}, inplace=True)
26 cze 2024 · Given a Pandas DataFrame, let’s see how to rename columns in Pandas with examples. Here, we will discuss 5 different ways to rename column names in Pandas DataFrame. Pandas Rename Column. df.rename (columns= {'old_column_name1': 'new_column_name1', 'old_column_name2': 'new_column_name2'}, inplace=True)
13 sty 2023 · A Pandas Dataframe is a 2-dimensional data structure that displays data in tables with rows and columns. In this article, you'll learn how to rename columns in a Pandas Dataframe by using: The rename () function. A List. The set_axis () function. How to Rename a Column in Pandas Using the rename () Function.
17 wrz 2021 · Learn three methods to rename columns in a pandas DataFrame: rename specific columns, rename all columns, or replace specific characters. See code examples and output for each method.
9 mar 2023 · 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 the pandas DataFrame.
The pandas.DataFrame.rename method is the main method to rename the columns in a pandas DataFrame. pandas.DataFrame.rename(mapper=None, index=None, columns=None, axis=None, copy=True, inplace=False, level=None, errors=’ignore’) Purpose: To change or customize labels of a Pandas DataFrame.
