knitr::opts_chunk$set(fig.align = "center", out.width = "70%", fig.asp = .61) Every now and then, random numbers come in handy to demonstrate some statistical behavior. Of course, well-known appraoches are rnorm and friends. These functions are what is called pseudo random number generators, because they are not random at all, strictly speaking, but determined by some algorithm. An algorithm is a sort of creature that is 100% predictable once you know the input (and the details of the …