Reshaping Long-Form Data with Pandas: A Comparison of Two Methods

Pivot Pandas DataFrame Column Values for Data Reformatting

R Data Frame Transformation with reshape2 Package

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

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

Reshape and Group by Operations in Pandas DataFrames: A Comparative Approach

Reshaping Data in R: The Power of Two Value Variables in Cast Function