Using The Usage-Efficiency Distance Metric to Create Aging Curves for the NBA
Posted on April 8, 2012 | Leave a comment
An age-old question — see what I did there? — among APBRmetricians is trying to understand how aging affects players. Consider this post my first contribution to the discussion.
I calculated the distance metric that I introduced in a recent post for the 10,000 or so player seasons since the 3-pt shot was instituted. I then divided these seasons into four groups by age, as follows:
“very young” (18-21)
For each group, I used the lme4 package to create a mixed-effects model. Here is an example for the first group: