http://boston.locals.baseballprospectus.com/2017/08/01/variations-on-a-team/ Bringing BP-quality analysis to Boston Mon, 20 Aug 2018 04:19:09 +0000 hourly 1 http://wordpress.org/?v=4.1.1 http://boston.locals.baseballprospectus.com/2017/08/01/variations-on-a-team/#comment-14173 Wed, 02 Aug 2017 20:51:54 +0000 http://boston.locals.baseballprospectus.com/?p=24324#comment-14173 Players have up years and down years, they don’t “revert to their mean.” Stated otherwise, yearly performance is not a mean-reverting process. And even if it were, your sample size is equal to one, and mean reversion doesn’t take place in a single observation.

]]> http://boston.locals.baseballprospectus.com/2017/08/01/variations-on-a-team/#comment-14167 Wed, 02 Aug 2017 10:08:52 +0000 http://boston.locals.baseballprospectus.com/?p=24324#comment-14167 Regression (or progression) to the mean and good health should be enough to get this team to a better place. Not to mention that Nunez and Marrero are lighting Fenway on fire! No regression for them, please.

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