Friday, April 26, 2019
Pre-Lab: Behavioural Park Impacts
?I've been looking at park effects on and off for 20+ years. Recently, it's been "on". It was also "on" twelve years ago, where if you also look in the comments, I have park impact numbers for walks and strikeouts and other things. At the time, I presumed the REASON is because of lighting and backdrops and whatnot. While that is still a cause, there may be a more relevant cause: behaviour.
We are aware that players will change their behaviour based on the run environment. It would not surprise you if for example I say that batters are going to take more pitches, and swing less, and by doing so, will swing with more authority, which may result in a more go-big-go-home approach. So, the run environment, and the era environment, more than the park would contribute to more K. So, while we are all aware of this implicitly, I did not put 2 and 2 together and consider it at the park level as well. After all, if it's a 6 run per game park at Coors, it doesn't matter (too much) if the rest of the league is at 5 or 4 runs per game. Players respond to their environment (to a point).
I'll probably be going into "off" mode soon with park effects, but I just wanted to put this out there, in case aspiring saberists have interest. When I get back "on" this subject, I'll dig more into it.
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