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Replacement!(& ! !!)
Baseball Play Study 2016 (BPStudy #112)
Shinichi Nakagawa(Pythonista & Baseball Analyst)
Who am I?
• Shinichi Nakagawa(@shinyorke)
• Python , Web
• Python/Agile/PyData/SABRmetrics( )
• Baseball Play Study (2014 )
• ( ) .
• Replacement ( ) ,
.
• “ =Replacement level 1( )” ,
( ) .
• WAR .
※WAR = Wins Above Replacement( )
• WAR2 , 4 ,1
RC27(Run Created / 27outs)
• RC(Run Created) 27 (≒ )
• “9 VS 9 ?”
• RC27 =(( A × B) / C) / 27outs
※
• .