Reshaping Wide Data to Long Format with Tidyverse's pivot_longer Function in R

Manipulating Data Frames to Consolidate Relevant Values in R Using Tidyverse

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

Transforming Wide-Format DataFrames to Long Format Using Pandas' Melt Function

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