> If we say that goalkeeping requires certain skills... If it turns out that the goalkeeper and outfielder have a lot of overlapping skills... That's kinda the

> If we say that goalkeeping requires certain skills... If it turns out that the goalkeeper and outfielder have a lot of overlapping skills... That's kinda the problem here. Once you have a model fitting curves is fine. But you need a structure from somewhere. > players require practice to excel in their position The problem with this is there's no data. Nobody gets to play a position they haven't practiced for. Yet you still somehow came to the right conclusion. Anyway Pearl is much better at explaining this than I am.