Finding and Modifying Duplicated Values in an Array Incrementally Using Python with Pandas GroupBy

Removing Duplicates from Pandas DataFrame with Keep First Event Only on fast_order Category While Removing Duplicates from All Other Categories

Preventing Duplicate Inserts: A SQL MERGE Solution for .NET WebService APIs

Identifying and Removing Duplicate Rows in Pandas DataFrames

Using UNION All to Combine Multiple Conditions in a Single SELECT Statement

Working with Pandas DataFrames in Python: Duplicate Rows and Add Conditions Using NumPy and Pandas Functions

Python List Duplication: A Comprehensive Guide to Duplicating Rows in a Pandas DataFrame Based on a Specific Column Value

Removing Duplicates from a DataFrame Based on Two Columns While Keeping the Row with the Maximum Value in Another Column: A Performance Comparison of `groupby` and `drop_duplicates`

Removing Duplicate Rows from Data Tables Using R's data.table Package

Dropping Duplicates and Handling NaNs in Pandas DataFrames