Pivot Tables with Pandas: A Comprehensive Guide

Finding Consensus in Two Out of Three Columns and Summarizing Them with R Code

Reshaping Pandas DataFrames with Partial Aggregation Using Dplyr and Tidyr.

Tidy Data Transformation with Pandas: A Deep Dive into Merging Wide and Long Formats

Converting Data from Wide Format to Long Format Using R's Melt Function

Reshaping Data from Wide to Long Format while Collapsing Variable Values for Same IDs in R

Reshaping Wide Format Data Using R and data.table Package

Using ifelse for a List Inside a Dataframe: A Step-by-Step Guide to Efficient Key Extraction and Best Practices