Faceting and Interaction Terms for Comparing Data Frame Attributes Across Observations.

Reshaping Data in R with Time Values in Column Names: A Comprehensive Guide

Transforming Multi-Index DataFrames into Long Format with Python: A Step-by-Step Guide

Reshaping Data from Wide to Long Format while Collapsing Variable Values for Same IDs in R

Here's a summary of the provided information and some additional examples to demonstrate the usage of the `melt()` function in R:

Reshaping Wide Format Data Using R and data.table Package

R Data Frame Transformation with reshape2 Package

Reshaping Pandas DataFrames with Multiple Columns Using Stack and Unstack

Reshaping Long-Form Data with Pandas: A Comparison of Two Methods

Reshaping Pandas DataFrame with Dictionary Values Using String Manipulation and Evaluation