Matching Data from Multiple Columns in R Using Dplyr: A Step-by-Step Guide

Understanding the Aggregate Function in R: Avoiding Confusion with Subset Functions

How to Subset a Data Frame Using a Vector as a Parameter in R

Calculating Standardized Distance Measures on Subset of Data Without First Saving Subset as New DataFrame

Conditional Collapsing in R: A Comprehensive Guide to Data Frame Manipulation

Subsetting a List Using Another List in R: A Powerful Approach with mapply()