Using Pandas String Series: Handling Length and Returning Empty Strings

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

Conditional Calculations on Different Sized Dataframes in Python Using Merging and Self-Joins

How to Fix a Game of Roulette: Functions, Loops, and Conditional Statements for Statistical Computing with R

Pythonic Solution for Extracting Last N Characters of Column and Replacing with Longer Versions in Same Column

Identifying Three Distinct Rows Based on the Same Date: A Step-by-Step Solution in R

Pandas Efficiently Selecting Rows Based on Multiple Conditions