Performing Multiple Independent Transformations and Creating a New DataFrame with Multi-Index in Pandas

Aggregating Columns on a DataFrame without Merging Them: Techniques for Efficient Data Analysis

Understanding GroupBy Statements in Pandas: 3 Ways to Get the Largest Total for Each Major Category

Populating Columns with DataFrames: A Step-by-Step Guide Using Pandas

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

Pandas GroupBy Over Multiple Columns: A Deeper Dive

Pivot Your Data: A Comprehensive Guide to Transforming Pandas Data Frames

Filter Groups in Pandas DataFrames with Boolean Indexing and np.in1d

Grouping Pandas Rows by a Function of Multiple Columns Using Aggregation Functions and Custom Functions

Displaying Numbers Inside Bar Lines with pandas and matplotlib