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THE BOOK--Playing The Percentages In Baseball

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Friday, June 12, 2009

PITCHf/x: Blogger v Blogger

According to blogger Matt Sisson, Wang’s (horizontal, meaning side-to-side) release point shows a 1 1/2 foot difference:

According to blogger Harry Pavlidis, the poor data quality of this subset of PITCHf/x data is almost certainly the reason:

As Harry said:

Instead, I remind the well meaning people who like to use the PITCHf/x data to study Wang’s release and movement: If you’re going to publish data and “conclusions” take the time to understand what you’re working with. Doing otherwise is irresponsible.


(43) Comments • 2009/06/15 • SabermetricsBall_Tracking
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