Reshaping Data to Plot in R using ggplot2

Pivoting Varnames with Regular Expressions in `pivot_longer`

Stacking Columns by Looking at the First Column Using Pandas' lreshape Function in Python

Finding Consensus in Two Out of Three Columns and Summarizing Them with R Code

Advanced Grouping and Reshaping Transformation Using Pandas

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

Melting a Pandas DataFrame from Wide to Long Format Twice on the Same Column

Reshaping DataFrames from Wide to Long Format in R using tidyr and dplyr Packages

Reshape and Group by Operations in Pandas DataFrames: A Comparative Approach

Reshaping Long Data to Wide Format Using Python (Pandas)