Tuesday, March 01, 2016
Team Defense
?Thanks to DodgerSims for pointing out we can get team-level fielding data at the ubiquitous Fangraphs for Dewan, MGL, and .... Fans Scouting Report. It's all there on one page.
Correlation between Dewan and MGL is r=.71. Between FSR and the other two, it's .63 or .64 each. Between FSR and the two of them together, it's r=.69, suggesting that there's little to distinguish Dewan and MGL to try to capture the extra info in FSR.
There are several that stood out. One was the DBacks, and I wonder if that's a park issue. Dewan has the DBacks at +71 runs, while MGL has them at +24 runs, and then the Fans have them at only +12 runs. Another huge disagreement is the A's and their foul territory. Dewan at +16, MGL at -33, with the fans in the middle at -13. On the flip-side is the Rox and their park, that the Fans have them at +22, but Dewan at -4 and MGL at -25.
One thing for aspiring saberist is to see which of the three predicts each of the three next year's best.
***
On a related note, here is the 2010-2015 cumulative stats. FSR and MGL show a consistent correlation, as does MGL to Dewan. But FSR and Dewan diverge.
Have fun!
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