| Thinkstock Here are some of the best tips, tricks, and takeaways for R users from this year's rstudio::global(2021) virtual conference: Speed up your R code The new xrprof package builds on code profiling (performance measuring) offered by base R's Rprof() with these added features: It can run on a remote server, not just locally, allowing you to see what's happening in your production environment; It can see bottlenecks in C/C++ code, not just R code -- especially useful for R package developers using C or C++. And, it's a drop-in replacement for the ecosystem of Rprof() add-on tools, said author Aaron Jacobs, senior data scientist at Crescendo. This project was funded in part by the R Consortium.