Understanding the Issue with Pandas Groupby and Leap Year Dates

Here is a rewritten version of your response:

Concatenating Multiple Data Frames with Long Indexes Without Error

Creating Columns Based on Rolling Conditions Using Numba and Pandas for High-Frequency Trading Signals

Checking All Elements in a Pandas DataFrame String Column Using Native Functions and Custom Solutions

Working with Dates in Pandas: A Comprehensive Guide to Identifying and Handling Errors

Creating a New Column with Date Differences in Pandas DataFrames Using Groupby and Lambda Functions.

Inferring Series Labels and Data in Pandas DataFrames for Plotting

Efficiently Splitting Tagged Columns in Pandas DataFrames: A Comprehensive Guide

Mastering GroupBy Function and Creating Custom Columns with Pandas: Tips and Tricks for Efficient Data Analysis