Repeating Observations by Group in data.table: An Efficient Approach

Sorting Data into Deciles Using Rolling Subsets: A Comparative Approach with R

Passing the Environment of a Row from a data.table to a Function in R

How to Group Data in R: A Comparison of dplyr, data.table, and igraph

Counting and Aggregating with data.table: Efficient Data Manipulation in R

How to Calculate Elapsed Time Between Consecutive Measurements in a DataFrame with R and Dplyr

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

Summarizing Multiple Columns with dplyr: A Categorical Version

Merging Data Tables Based on Nearest Coordinates in R Using data.table Package

Creating a Table where Each Column Represents Whether Value Exists in a Particular Vector