wild play charts

This year I finally had some time to give the wild play charts a long-overdue overhaul. This is a brief summary of the changes for those who are interested.

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split regression tool

I created a tool that will allow you to visualize how the platoon split regression system will affect individual players.

mapping defensive range

This is an overview of how defensive range ratings are derived from BIS ZR and OOZ data. This system was initially developed for the 2008 card set. All cited examples are from the 2011 card set (2010 MLB data).

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WP/PB chart overhaul

This is an explanation of how I re-worked the wild-pitch/passed-ball system.

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range rating adjustments

Defensive ratings are subject to adjustment based upon playing time. Generally these adjustments are simple hard caps based on innings played, but the system for range ratings is significantly more complicated. Since I frequently get questions about the range adjustments I’ve posted a summary here.

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