Efficiently Creating a Column for the Last Non-Zero Sale Date Using Pandas DataFrames

How to Extract Desired Price from DataFrame Based on Specific Size After Time Interval

Calculating Rolling Statistics with a Centered Time Window Using Python and Pandas

How to Split Input Based on Comparing Two Dataframes in Pandas Using Regular Expressions

Here's a refactored version of the code with proper indentation, comments, and a clear structure:

Plotting Data from a MultiIndex DataFrame with Multiple Columns and Annotating with Matplotlib

Merging Text Files with Python: Handling Table Structures and Removing Unwanted Rows

The Best Practices for Storing and Managing Embeddings in Machine Learning Models

Concatenating DataFrames Based on a Common DateTime Column Using Left Merge and Period Representation

Resolving KeyError: A Comprehensive Guide to Debugging Polynomial Kernel Perceptron Method