Creating a New Column in a Pandas DataFrame Based on Condition from Another Column: A Step-by-Step Guide

Efficiently Filling NaN with Zero in Pandas Series: A Comparison of Approaches

Creating a New Variable Based on Multiple "OR" Conditions in R Using `%in%` Operator

Modifying Values in a DataFrame Based on Another Column

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

Understanding the Problem: Updating a Value in a Pandas DataFrame Based on Multiple Conditions