In case you missed it, Nate Silver’s website FivethirtyEight put out a really interesting article about the different types of NFL Quarterbacks.
Here’s the explanation of how they did it….
Comparing each quarterback’s distribution of game-by-game QBR can be done using a density curve, which is used to estimate the fraction of a player’s performances that occurred in a given interval — in this case, the probability that a quarterback had a QBR of a specific number in any individual game.4 We looked at the 45 quarterbacks with at least 10 starts in the past two years or 50 career starts since 2006, and found that the quarterbacks stratified into 10 categories.
Here’s the graphic putting the QBs into different groups and click on this link to head over to FiveThirtyEight and check out the article….
