Transforming Matrices to Arrays in R: A Comparative Analysis of Methods and Techniques

Reshaping Data to Plot in R using ggplot2

Reshaping DataFrames from Wide to Long Format in R: A Comparison of Two Approaches Using data.table and tidyr

Converting Long Data Frames to Longer Data Frames with Running Indicators in R

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

Reshaping DataFrames: A Comprehensive Guide to Changing Columns and Rows Using the Tidyverse