THE BOOK--Playing The Percentages In Baseball

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Monday, January 26, 2009

BABIP estimators

By Tangotiger, 11:06 AM

Derek, good job. I would be interested in seeing the correlation results of seasons 2005-2007 onto 2008 for all the non-Marcel seasons, and using the Marcel 2008 forecast onto the 2008 season. The reason is that Marcel uses 3 years of data, so it has an unfair leg up on all the others.

Finally, how about a correlation of ALL the estimators onto the 2008 BABIP. There’s no reason for an “either/or” choice. Well, for things like ldBABIP, it can be discarded, since it’s a subset of a few of the other models you have. (But, the regression can hopefully pick that out, and give it a weight of zero.)

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THE BOOK--Playing The Percentages In Baseball

Monday, January 26, 2009

BABIP estimators

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