Mastering DatetimeIndex in Pandas: Limitations and Workarounds for Accurate Time-Series Analysis

Improving Stacked Bars in Seaborn: A Step-by-Step Guide to Resolving the Issue and Achieving a Clearer Visualization

Applying Functions to Groups with GroupBy and Apply in pandas

Merging Overlapping Time Spans in Pandas DataFrames with Python

Adding a Subtotal Row to Multi-Index DataFrames in Pandas: A Flexible Solution for Efficient Data Analysis.

Creating a New Empty Pandas Column with Specific Dtype: A Step-by-Step Guide

Understanding MacPorts and PyPi Packages for Python: A Guide to Compatibility and Installation

Understanding the Issue with Incompatible Data Types When Using `in` Operator

Understanding Pandas Data Frame Indexing: A Deep Dive into the Issue and Its Solution

Here's an example code that demonstrates how to use the `groupby` and `agg` functions together: