Converting Monthly Data to Quarterly Data Using Aggregate Functions in R

Creating a Stacked Barplot in R: A Step-by-Step Guide to Aggregating Sampled Data

Understanding Aggregate Functions in R: A Deep Dive into FUN=max

Aggregating Multiple Columns in a Data Frame at Once: A Comparative Analysis of dplyr, collapse, and tidyr in R

How to Aggregate Rows Based on String Values in R: Handling Missing Values