Reshaping Pandas DataFrames from Long to Wide Format with Multiple Status Columns

Reshaping Wide Format Data Using R and data.table Package

Merging Rows by Subject Number: A Guide to Longing Data in R

Converting Rows to Columns in R: A Step-by-Step Guide with reshape2 and tidyr Packages

Here's the complete code with all methods:

Reshaping Data from Datastream for Panel Regression Analysis with R

Advanced Grouping and Reshaping Transformation Using Pandas