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Joining Subqueries as Where Arguments: A Powerful Technique for Filtering Data

Conditional Creation of a New Column in R Based on Multiple Conditions

Aggregating Temperature Readings by 5-Minute Intervals Using R

Getting the Most Popular Product for Each Employee in MySQL Using Window Functions and GROUP BY

Mastering Group by and Conditional Count in R's dplyr Library: A Deep Dive

How to Perform Arithmetic Operations on Multiple Columns with Pandas Agg Function