Understanding Character Variables in R: How to Convert and Work with Them Efficiently

Passing Variables into Data Tables: A Flexible Solution for Dynamic Filtering in R

Generating Dot Product Tables for All Level Combinations with Python

Creating subgroups from categorical data by using lapply in R: A Better Approach Using model.matrix

Extracting Values from a Variable with Multiple Levels of Another Variable in R

Unlocking Operator Overloading with Zeallot: Simplifying Multiple Variable Assignments in R