Cumulative Look-back Rolling Join in R: A Step-by-Step Guide

Transforming Financial Data with R: A Step-by-Step Approach to Analysis

Data.table Filtering on Group Size with Value Matching While Considering Multiple Fields and Complex Queries

Finding the Nearest Date in R using Data Tables and VLOOKUP

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

Deleting Columns in R's data.table Package: A Comparative Analysis of Approaches

Relative Reference Operations in Large Datasets Using Data Tables

Using the Value of a Variable Which Is Just Created in data.table

Resolving Unused Argument Errors While Grouping within Functions in R

Finding Duplicates after Cutoff Row with data.table