Creating Dummy Variables for Long Datasets with Multiple Records Per Index in Python: A Step-by-Step Guide

Creating Dummy Variables in R: A Step-by-Step Guide for Every Unique Value in a Column Based on a Condition

Handling Gaps-and-Islands Problem in Time Series Analysis: A SQL Solution Guide

Creating a New Dummy Variable Based on Existing Dummy Variable Values in R using dplyr Package

Transforming Long-Form DataFrames into Wide-Form Representations Using Pandas

Adding Seasonal Dummy Variables to a R Data.table: A Comparative Analysis of Two Approaches