Drop Rows at Specific Index with Pandas GroupBy Objects

Grouping a pandas DataFrame by Certain Columns and Applying Transformations Based on Specific Conditions

Understanding the Power of Grouping: Mastering Pandas' `groupby()` Method

Grouping a Pandas DataFrame by Two Factors and Retrieving the Nth Group Using reset_index() and groupby.nth

Splitting a Pandas DataFrame Using GroupBy and Merging with Separate Dataframes: A Practical Guide to Efficient Data Manipulation