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

Retrieving Index of Maximum Value in Each Group with Pandas

Applying Functions per Subgroups with Pandas: A Comprehensive Solution

Mastering Pandas GroupBy: A Comprehensive Guide to Data Aggregation in Python

Calculating Percent of Years a Company Has Had Positive Earnings for Each Company in Your Dataset Using Python and Pandas

Conditional Formatting with Pandas and Matplotlib for Data Visualization

Filtering Time Series Data in Python with Pandas

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

Grouping Dataframes with Aggregate Functions in Pandas Using Different Aggregation Methods for Multiple Columns

Remove Rows from One DataFrame Based on Certain Conditions with Pandas Indexing