On/Off Ice Adjusted Goals For Average

In order to look at the biases of the sabermetric problem of adjusting +/- ratings using the on/off ice method, I thought I would apply it to a simpler problem. That of goals for average (GFA) (namely how many goals are scored per 60 minutes a player plays in 5 on 5 situations). As we have seen, the goals for average leaders are among the best offensive players in hockey and the worst GFA