Supporting Vector Machines (SVMs) for Multi-Index Predictions: A Practical Guide to Classification and Regression Tasks

Slicing Pandas DataFrames Based on Number of Lines in Each Group

Troubleshooting Pandas Merging: Common Issues with Python Environments and Best Practices for Successful Data Frame Combination

Understanding File Lookup and Gap Filling in Python using Pandas for Efficient Data Analysis and Enrichment.

Copy Data from a Row to Another Row in Pandas DataFrame Based on Condition

Creating New DataFrame Series Based on Existing Values Using Index.repeat and DataFrame.assign

Customizing Legend Text in Matplotlib: A Comprehensive Guide

## Exploring Pandas: GroupBy Operations

Creating a Pandas DataFrame from an Unknown Number of Lists of Columns

The problem is that you're trying to append data to `final_dataframe` using `_append`, which doesn't work because it's not designed for appending rows.