Using GroupBy to Get Index for Each Level of a MultiIndex Corresponding to Maximum Value of a Column in Python

Selecting Rows Based on MultiIndex Comparison in Pandas DataFrames

How to Work with MultiIndex and Groupby Operations in Pandas DataFrames

Understanding MultiIndex DataFrames: A Practical Guide to Copying Data

Creating a MultiLevel Index with Python Pandas: A Comprehensive Guide

Splitting a DataFrame Column into Two and Creating MultiIndex with Pandas

Mastering Pandas Multi-Index Columns: Inverting Levels and Handling Missing Values

Combining Multi-Index Data Frames on Certain Index Levels in Pandas

How to Collapse Rows in a Pandas Multi-Index DataFrame