Friday, February 25, 2011
Scorecasting review, part II
I wrote this to the authors on their web site:
Dear Sirs:
I am a professional (having worked for several MLB teams, notably the Cardinals in 2004 and 2005) sabermetrician and I have been working extensively in this field for over 20 years. I am the “inventor” of one of the most widely used advanced defensive metrics, UZR, I am one of the co-authors of the sabermetric book, “The Book,” and I host, with one of my colleagues (Tom Tango), a popular and highly respected sabermetric blog, http://www.insidethebook.com (click on the “blog” link).
I recently read your new book, Scorecasting, and I liked it very much. It was well-written, clearly presented, and well-researched, as far as I can tell. I believe it has broken some new and important ground as well. I have recommended it to many of my colleagues and to our (blog) readers.
I was particularly interested in your baseball research of course, especially that pertaining to home field advantage (HFA), a topic that I am not unfamiliar with. While it has been researched some over the years, it is admittedly one area that we (sabermetricians) know comparatively little about.
While you provided some well-researched, eye-opening insight into the role (both in quality and quantity) that umpires may play in the HFA in baseball (and other sports), I must say that some of your research in that area conflicts with similar research I conducted recently, after reading your book.
I would appreciate it if you could take the time to read my comments below (they are edited and reprinted from my blog) and address each issue as you see fit to do.
Kindest regards,
Mitchel G. Lichtman


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