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

Repeating Observations by Group in data.table: An Efficient Approach

Mastering Inner Joins with Data.table: A Comprehensive Guide to Adding Columns

Recoding Multiple Variables at Once Using the `else=copy` Option in R

Using Data Tables in R for Efficient Data Analysis and Visualization

Optimizing Performance-Critical Operations in R with C++ and Rcpp

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

Understanding Data.table Joining Mechanism with Unkeyed Tables and Key Determination for Efficient Data Manipulation.