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Saturday, March 18, 2023

1961 Yankees fielding is double-counted against Whitey Ford

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Here are the 1961 pitching lines of Whitey Ford and Jack Kralick that Bill James wrote about back in 2019:           IP   W-L    H    K   B...
3 comments:
Wednesday, November 16, 2022

Home field advantage is naturally higher in a hitter's park

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The Rockies have always had a huge home-field advantage (HFA) at Coors. From 1993 to 2001, Colorado has played .545 at home, but only .395 ...
8 comments:
Tuesday, September 07, 2021

Are umpires racially biased? A 2021 study (Part II)

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(Part I is here .) 20 percent of drivers own diesel cars, and the other 80 percent own regular (gasoline) cars. Diesels are, on average, les...
2 comments:
Monday, August 30, 2021

Are umpires racially biased? A 2021 study (Part I)

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Are MLB umpires racially biased? There's a recent new study that claims they are. The author, who wrote it as an undergrad thesis, menti...
2 comments:
Monday, July 26, 2021

DRS team fielding seems overinflated

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In a previous post, I noticed that the DRS estimates of team fielding seemed much too high in many cases. In fact, the spread (standard dev...
2 comments:
Sunday, January 31, 2021

Splitting defensive credit between pitchers and fielders (Part III)

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(This is part 3.  Part 1 is here ; part 2 is here .) UPDATE, 2021-02-01: Thanks to Chone Smith in the comments, who pointed out an error.  I...
5 comments:
Monday, January 11, 2021

Splitting defensive credit between pitchers and fielders (Part II)

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(Part 1 is here .  This is Part 2.  If you want to skip the math and just want the formula, it's at the bottom of this post.) ------ Whe...
2 comments: