Photo by Marc Sendra Martorell on Unsplash I don’t generally write much code where R’s performance is a bottleneck, it’s just not what I do. The way I use R is different to many other people and as such I’ve never had to spend much time thinking about the performance of the language. A few days ago, while reading an article in Quanta, I became interested in the Collatz Conjecture and I wrote up a little function to test how the conjecture plays …