Using goalies to estimate zone start impact on corsi

Eric T. over at NHL Numbers had a post last week summarizing the current state of our statistical knowledge with respect to accounting for zone start differences. ┬áIf you haven’t read it definitely go read it because it is not only a good read but because it concludes that how the majority of people have been doing is is wrong. Overall, no two estimates are in direct agreement, but the analyses that are known to derive from looking directly at the outcomes immediately following a faceoff converge in the range of 0.25 to 0.4 Corsi shots per faceoff — one-third

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