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Regression Question

I'm doing a little experimenting with regressions and such, and I have a question. I got to BABIP and it's presenting some problems for me. How would you recommend regressing BABIP?

 I know regressing to the league average would be inaccurate since it fluctuates so much between players. Would career average be the best option? Another thought I had was to regress to LD%+11, which could be better for players with a small sample size or those who had historically been very lucky/unlucky as far as balls in play. Any advice would be appreciated, thanks.

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Are you regressing pitchers or hitters?

For hitters, a three year weighted average of the hitter’s BABIP is probably a good line to regress toward.

For pitchers, role average, roughly .296 for SP and .292 for RP

by Matthew on Dec 28, 2008 5:07 PM PST reply actions   0 recs

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