Reshaping Data from Long to Wide Format in R: A Comprehensive Guide

Reshaping Data in R: When `reshape()` Can't Guess Variable Names and How to Provide Correct Variable Names Manually

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

Transforming Duplicate Rows to Columns with pivot_wider in R

Converting Dataframe from Long Format to Wide Format with Aligned Variables in R