Grouping Items Together Based on a Value in Another Column: A SQL Solution

Data Tables in R: Efficiently Grouping and Printing

Grouping by Series or Sequence in R Using data.table Library

Grouping Categorical Values in Pandas: A Deep Dive

Understanding the Correct Use of Dplyr Functions for Distance Calculations in R Data Analysis

Optimizing Queries to Retrieve Rows with Maximum Date Only When Duplicate: A Deep Dive into SQL Query Optimization Strategies

Counting Distinct IDs for Each Day within the Last 7 Days using SQL