Tags / melt
Reshaping Data from Wide to Long Format while Collapsing Variable Values for Same IDs in R
Understanding the Warning in R's reshape2 Melt Function: Resolving Issues with ID Variables in Data Transformation
Transforming Wide-Format DataFrames to Long Format Using Pandas' Melt Function
Managing Duplicate Entries in a Single Column While Keeping Other Columns Intact in R: A Step-by-Step Guide