Melting Data with Multiple Groups in R Using Tidyr

Reshaping Data in R: Mastering Time Variables with getanID and Beyond

Reshaping DataFrames in R: 3 Methods for Converting from Long to Wide Format

Understanding the Warning in R's reshape2 Melt Function: Resolving Issues with ID Variables in Data Transformation

Reshaping Data from Long Format to Wide Format without "timevar" Feature

Reshaping DataFrames with Rbind: A Deeper Look into Gathering and Separating Data

Improving Data Reshaping for Advanced Analysis: Mixed Effects Models vs Traditional Linear Regression

Understanding Data Transformation: Reshaping from Long to Wide Format with R