Posted by burnsy483 on 8/16/2013 3:53:00 PM (view original):
Posted by bad_luck on 8/16/2013 3:27:00 PM (view original):I know it to be true, but I've been wrong before. From my understanding, whoever is calculating UZR each game determines what "zone" the ball fell into. We don't have grids in the outfield like we do at home plate for balls and strikes, right? So after the scorer determines to the best of his ability where the ball fell, we can determine if that's an area where the outfielder should have caught the ball.
Posted by burnsy483 on 8/16/2013 3:08:00 PM (view original):Is that true or are you assuming?
Flawed in the sense that a computer determines whether a player made a good play defensively or not, based on data that's essentially guesstimates.
When a ball is hit into a certain zone, does it take into affect whether or not it was a pop up? A line drive? Because there's a difference between a line drive into the gap and a skyscraping fly ball.
I think that's contemplated.
This is from the guy that invented UZR (bold mine):
The chat had like 2 or 3 answers (with a lot of good questions) and ended 5 days ago? Anyone know what happened?
I agree that the answer to the question about similarities and differences between plus/minus and UZR was pretty good. I’ll make some comments one by one:
* Both use BIS Data. UZR started with STATS data, but the most commonly referenced version uses BIS data.
* Both have the same idea- break down balls in play by type, location, velocity.
* Both are measured on an above/below average scale.
* Both have runs saved systems with components for GDP, OF Arms, Range.