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やきう選手の撮れ高(打者編) #kwskrb 2019/2/27 LT資料

やきう選手の撮れ高(打者編) #kwskrb 2019/2/27 LT資料

kawasaki.rb #69 LTの資料に色々と足したり引いたりしたもの

Shinichi Nakagawa

February 27, 2019
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  1. ಘ఺ظ଴஋ʢMLB 2018೥ʣ த઒͕ಠࣗࢉग़, MLBͷαΠτͱಉ͡਺஋ͳͷͰਖ਼ղͷ͸ͣ ݩσʔλɿ https://github.com/chadwickbureau/baseballdatabank ແࢮ Ұࢮ ೋࢮ ϥϯφʔແ͠

    0.49 0.26 0.10 Ұྥ 0.87 0.53 0.22 ೋྥ 1.13 0.68 0.32 ࡾྥ 1.43 1.00 0.35 Ұྥೋྥ 1.42 0.93 0.44 Ұྥࡾྥ 1.79 1.21 0.50 ೋྥࡾྥ 1.94 1.36 0.57 ຬྥ 2.35 1.47 0.77
  2. Run Value = New State - State + Run Scored

    Run valueɿಘ఺Ձ஋ʢࡱΕߴʣ New Stateɿଧ੮݁Ռͷಘ఺ظ଴஋ Stateɿଧ੮ʹཱͭલͷಘ఺ظ଴஋ Run Scoredɿ࣮ࡍʹೖͬͨಘ఺ʢ0ʙ4ʣ
  3. ܭࢉྫ • ແࢮ1ྥ͔Β໨͕֮ΊΔೋྥଧͰແࢮ2,3ྥ
 1.94(2,3ྥ) - 0.87(1ྥ) + 0(఺) = 1.07


    ࡱΕߴ͋Δύλʔϯ • ແࢮ1ྥ͔ΒଉΛٵ͏༻ʹόϯτ੒ޭ1ࢮ2ྥ
 0.68(1ࢮ2ྥ) - 0.87(1ྥ) + 0(఺) = -0.19
 ΉΉʁΉ͠ΖԼ͕ͬͯΔͧʁʁ • ୯७ͳྫ͕ͩ͜ΕͰϓϨʔධՁՄೳ