Creating New Columns with Data.table: A More Optimized Approach Using set()

Understanding Data.Table in R: A Practical Guide to Creating Random Sample Groups

Identifying Missing Value Equality to Mean Within Group: A Statistical Approach

How to Subtract Value from Data with Keys through Multiple Columns in R Using Data Tables

Decomposing Time Series Data in R using stats Package and data.table Alternative Methods

Using Data.table's setorder() by Group in R

Summarizing Data with R and data.table: Advanced Techniques for Carrying Over Multiple Columns

Running Regular Expressions Inside data.table: A Comparative Analysis of lapply and .SD

Converting Two Column Data Tables with Colnames from One Column and Values from the Other in R using dcast(), setNames(), and setDT() Functions

Removing a Range from Data Table using R and data.table: A Comparative Analysis of Two Solutions for Efficient Exclusion Operations.