Renaming MultiIndex Row from a Lookup Dictionary with Pandas: A Comprehensive Guide to Renaming the First Level of a DataFrame

Transforming a Pandas DataFrame into Multi-Column Format with Multiple Approaches

Transforming One Level of MultiIndex to Another Axis with Pandas: A Step-by-Step Guide

Selecting Rows in a MultiIndex DataFrame by Index Without Losing Any Levels

Grouping Multiple Columns with MultiIndex in Pandas Using Different Approaches