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These sheets contain 4 different types of Adjusted Plus-Minus data.
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TypeYearsDescription
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NPI RAPM1997, 2001, 2017Regressed Play-by-Play for a single-year
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PI RAPM1998-2000, 2002-13Regressed Play-by-Play using a prior year
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3 yr NPI RAPM2014-16
Regressed Play-by-Play using previous 3 years
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Augmented PM1977-1996Regressed On/Off and Box data to estimate PI RAPM
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Data sets
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*97-00 from Acrossthecourt
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*01-17 data from Jerry Engleman
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*77-96 raw data from Harvey Pollack guides, regression explained at http://www.backpicks.com/2017/09/18/augmented-plus-minus-evaluating-old-pm-data/
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Raw data sheet
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*Color coding is different for AuPM and RAPM
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*Note the 2002 (and as a result 2003) seasons have extremely shrunken values. Because of this, their figures will be largely adjusted in the scaled values sheet
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Scaled data sheet
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*Scaled version uses 2.25 as a stdev.
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