Tags / melt
Understanding and Resolving the "Undefined Columns Selected" Error in R when Working with Data Frames
Managing Duplicate Entries in a Single Column While Keeping Other Columns Intact in R: A Step-by-Step Guide
Reshaping Wide Data to Long Format with Tidyverse's pivot_longer Function in R
Understanding the Warning in R's reshape2 Melt Function: Resolving Issues with ID Variables in Data Transformation