Filtering Data.table on Multiple Criteria in the Same Column Using Various Methods in R

Replacing Missing Values in R Data Tables with Average Values from Preceding and Next Value

Update Values in a Data Table Using Join Operation

Understanding the Reference Behavior of Names(DT) in R Data Tables

Optimizing Data Table Aggregation in R with Alternative Methods

A Comprehensive Comparison of dplyr and data.table: Performance, Usage, and Applications in R

How to Collapse Data by Count Using R: A Comparison of Two Solutions

Resolving Unused Argument Errors While Grouping within Functions in R

Efficiently Finding the Best Match Between Two Tables

Renaming Multiple Aggregated Columns Using Data.table in R: A Flexible Solution