Data Manipulation in R Using Data.table Package: A Comprehensive Guide

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

Passing Column Name as Parameter to data.table::setkey() When Some Columns Are Not in the Data.Table: col_name

Rolling Cross-Join on Portfolios Dataset to Impute Missing Shares in a Forward Manner Using R.

Understanding How to Efficiently Split and Reassemble Data in R Using data.table

What is the equivalent of `dplyr::mutate` in data.table, R?

Ranking Observations Across Multiple Groups Using R's Data Table Package

Selecting Highest Values per Group using R's data.table Package

Understanding data.table's Behavior with ecdf and Column Selection: Best Practices for Efficient Code

How to Assign Value in Data.Table via .SD Index in R Package data.table