Working with Data Tables in R: Mastering Column Assignments with data.table Package

Filtering Columns in Data Tables by Vector of Names Using data.table

Creating New Columns in data.table Using a Variable for Column Names

How to Create Equal Number of Rows for Observations in Data.tables Using R

Resolving Unused Argument Errors While Grouping within Functions in R

Extracting First Non-NA Value for Each Group and Column in R Data.tables

Improving String Splitting Performance in R: A Comparison of Base R and data.table Implementations

How to Perform Random Sampling of Rows from a Data Table by Group Using data.table in R

Extracting Maximum Values from Data Tables in R: 4 Efficient Methods

Understanding the Behavior of the `%in%` Operator in R: How Data Types Affect Comparisons