Using the xs Method to Filter Rows from a Pandas DataFrame Based on MultiIndex Label Values

Manipulating DataFrames with Multi-Index: Changing Values Based on a Condition Using loc Accessor.

Merging Multi-Indexed Columns DataFrames in Python Using Pandas

Pandas Sort Multiindex by Group Sum in Descending Order Without Hardcoding Years

Reindexing Pandas DataFrame MultiIndex while Maintaining Structure

How to Set Cross-Sections on MultiIndex in Pandas: A Clear and Explicit Approach

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

Selecting Sub-DataFrames According to First Two Levels of Multi-Index in Pandas DataFrame

Counting Y Values for Each X Value in MultiIndex DataFrames Using Pandas GroupBy and Transform

How to Calculate Subtotals by Index Level in Multi-Index Pandas DataFrames: A Comprehensive Guide