Efficiently Concatenating Character Content Within One Column by Group in R: A Comparative Analysis of tapply, Aggregate, and dplyr Packages

Collapsing Consecutive Periods in Time Series Data Using RLE

Custom Time Series Aggregation: Creating Three-Month Periods from Monthly Data

Calculating Aggregate Mean in R using dplyr Package: A Tutorial

Understanding Data Aggregation in R: A Comprehensive Guide

Automating Column Name Creation after Aggregation in R with Aggregate Function

Using Case When Statements and Windows Size for Data Grouping in R