RESEARCH: Sample size studies for batters' skills


In baseball forecasting, it is widely understood that more data is better when trying to model future performance. Last month we examined that assumption for pitchers, and found that occasionally a smaller data set is actually better. We also found the point at which the recent data becomes as important as the historical data. This month we’ll repeat the exercise for hitters. 


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  For more information about the terms used in this article, see our Glossary Primer.