How to Group Data in R: A Comparison of dplyr, data.table, and igraph

Counting and Aggregating with data.table: Efficient Data Manipulation in R

Optimizing Data Manipulation with data.table: A Concise Solution for Pivoting and Joining Tables

Transforming Data from Long Format to Wide Format Using dcast() in data.table

Removing Unwanted Column Labels/Attributes in data.tables with .SD

Creating a Table where Each Column Represents Whether Value Exists in a Particular Vector

Converting Data Between Long and Wide Format in DataTables: Best Practices and Error Resolution Strategies