Calculating Rolling Sums Using rollapplyr in R

Resample Data Table with Irregular Time Intervals Using R's data.table Package

Understanding the Basics of R and data.table for Efficient Data Manipulation

The Fastest Way to Parse Rules String into DataFrame Using R.

Transforming Data from Wide Format to Long Format with Regular Expressions and `pivot_longer()`

Performing Non-Equi Inner Joins on Data Ranges with data.table in R

Mastering Inner Joins with Data.table: A Comprehensive Guide to Adding Columns

Using car to Recode Across Range of Columns in R

Calculating Percentage Increase/Decrease in Time Series Data with R: A Step-by-Step Guide

Updating a Column in a Table Based on Conditions from Another Table Using Data Tables in R