Understanding DataFrames and Melt Transformation in R: A Comprehensive Guide

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

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

Reshape/Melt Data with Two Rows of Variable Names Using R and Tidyverse Package

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

Transposing All but the First Column in a DataFrame Using Pandas.