APBRmetrics

This is only slightly related, but it reminds me that I've wondered if teams should be far more aggressive substituting for offense vs defense. Every time there is a dead ball, a team could substitute based on whether they are starting the next possession on O or D. If there happens to be an odd num...

There is no general answer for RMSE error vs absolute error, and this forum is not the only place people debate this question. See http://www.geosci-model-dev.net/7/1247/2014/gmd-7-1247-2014.pdf for example. In general, RMSE is preferred when the errors follow approximately a Gaussian distribution (...

Every team must trade its first round pick for the upcoming draft before free agency starts (nearly a year before the draft). Since no team controls its own pick, there is no incentive to tank the upcoming season, but bad teams still get the benefit of having a more valuable draft pick for use in tr...

Does it mean anything that the defense line is always below zero? The way I'm reading it now it seems like players are always below average on defense, which doesn't make any sense.

I have a question about synergies of abilities with themselves. For low probability events, like steals, is it an assumption of your model that they have positive synergy? In other words, is this just a consequence of the form of your model, and the second derivative of the cdf of the normal distrib...