Predictive Analyics have failed Hockey Analytics

A few weeks ago I wrote about the limitations of predictive analytics. Go read that if you haven’t. Here are some areas where predictive analytics has failed hockey analytics. Gabe Desjardins used predictive analytics and suggested one must regress on-ice Shooting Percentage 80% towards the mean. I found that player on-ice shooting regressed 80% to the mean…   Eric Tulsky used predictive analytics and suggested one must regress on-ice shooting percentage 67% towards the mean. … our best guess for what he’d do in the future would be to take that number and pull it back 67% of the way

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