Reshaping Data to Plot in R using ggplot2

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

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

Advanced Grouping and Reshaping Transformation Using Pandas

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

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

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

Reshape and Expand Dataframe in R: A Step-by-Step Guide

Reshaping Three-Collar Data Frames to Matrix Format Using R

How to Read CSV Data and Reshape it in R Using the melt Function