A diligent and sharp-eyed student studying for the final discovered that there was an error on Quiz #4, problem 6: the “number of nodes desired” absolutely is a parameter of Watts-Strogatz random graphs, but the quiz did not have this marked as a correct answer.

So, I gave the whole class an XP in recompense for what I’m sure were widespread grading errors. You can thank Evenstar for this point!