Creating a Counter Variable in R Grouped by ID that Conditionally Resets

Creating New Columns with Data.table: A More Optimized Approach Using set()

The Performance of Custom Haversine Function vs Rcpp Implementation: A Comparative Analysis

Understanding Column Names and Dynamic Generation in Data Tables using R

Summarizing Data with R and data.table: Advanced Techniques for Carrying Over Multiple Columns

How to Calculate New Variable in Unbalanced Panel Data Without Using Loops

Understanding the Date Datatype Issue in RNotebook: A Solution-Oriented Approach to Resolving Data Loss and Formatting Issues

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

Resolving Incorrect Group Values When Plotting in RStudio: A Step-by-Step Guide

Using Data Tables with Function Application: Workarounds for Passing Columns into Functions