My Favorite Kathy Sierra Plot

One of my favorite graphs of all time is this one from Kathy Sierra: Figure 1: Kick Ass Threshold I used that in my RStudio::conf(2019) presentation in Austin last week. I’m working on a related prez and I decided to create my own version of Kathy’s chart using R. I played around with some simulations and found that the cumulative t and normal distributions gave good curves if I fiddled with their parameters.