{poorman}: Tips and Tricks for Faster Grouped Operations in base R

R-bloggers · Oct 25, 2026

[social4i size="small" align="align-left"]

-->

[This article was first published on Random R Ramblings, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)

Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.

Introduction

When learning R, we are always told to vectorise, vectorise, vectorise. This is because R is an interpreted language. Every time R runs a line of R code, it has to look up each name, match the arguments of each function call and set up a new environment for each function it enters. A…