プロ野球におけるお金とセイバーメトリクスの話(横浜優勝記念)

by Shinichi Nakagawa

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ϓϩ໺ٿΛ೥เͱ̋̋Ͱ;Γ͔͑Δ ʙηΠόʔϝτϦΫεͱ͓ۚͷϋφγ(PythonΛఴ͑ͯ)ʙ Shinichi Nakagawa@shinyorke(໺ٿͷਓ) ﬁn-py study #1ʮ೥ۚ࠷దԽೖ໳ʯLT 2017/10/24

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ຊ೔͸γΣΞOKͰ͢ʂ Ͳ͏ͧࣗ͝༝ʹm(_ _)m

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Who am I ?(͓લ୭Α) • ໺ٿͷਓͰ͢ #࡯͠ • Shinichi Nakagawa(@shinyorke) • Retty.Inc Engineer • #Python #PyData #ηΠόʔϝτϦΫε #໺ٿ౷ܭֶ #ڕྉཧ • ϓϩ໺ٿ͸೔ϋϜ,ϝδϟʔ͸ΞεϨνοΫεͷϑΝϯ  ͳ͓྆νʔϜͱ΋͓ۚʹ͏Δ͍͞໛༷ • ݸਓతͳࡒςΫɿʮΞϑΟϦΤΠτʯ

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ϓϩ໺ٿબख(໺ख) ͷ౤ࢿରޮՌΛߟ͑Δ #ຊ೔ͷςʔϚ

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໺ٿબखͷ౤ࢿରޮՌ #ͱ͸ • ʲલఏ஌ࣝʳ೔ຊϓϩ໺ٿͷ೥เͷϋφγ • 1νʔϜͷ೥เ૯ֹɿ͓͓Αͦ20ʙ50ԯԁ • 1܉બखͷ࠷௿೥เɿ1,500ສԁ • ݱ໾ϓϩ࠷ߴ೥เɿ5ԯԁ(ΦϦοΫεۚࢠઍਘ౤ख) • ϓϩεϙʔπ͸উར͕རӹ,উརʹܨ͕Δߦಈʹ౤ࢿΛߦ͏ • ଧऀ͸ಘ఺Λ૿΍͢,౤ख&໺ख(कඋ)͸ࣦ఺ΛݮΒ͢ • ৄ͘͠͸ʮϐλΰϥεউ཰ʯͰάά͍ͬͯͩ͘͞ˡ໺ٿͷউར&ऩӹϞσϧ

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ܰ͘ௐ΂ͯΈͨ • ೥เ×wRAA(ಘ఺ʹର͢ΔՁ஋ߩݙ)Ͱࢄ෍ਤΛඳ͘ • ҎԼͷج४ͰݟͯΈΔ • ಘ఺Ձ஋Λग़͍ͯ͠Δ(ʹνʔϜʹߩݙ)͍ͯ͠Δબख ͷ೥เ෼෍ΛݟͯΈΔ • ͓ۚΛͨ͘͞Μ΋ΒͬͯΔ͕ಘ఺Ձ஋Λग़͍ͯ͠ͳ͍  ΰϛ࢒೦ͳબखΛ͋ͿΓग़ͯ͠ΈΔ

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σʔλऔಘͱ෼ੳ(PyData) • ෼ੳͱՄࢹԽ • Jupyter notebook • pandas • bokeh • σʔλऩू͸Scrapy • ʮPythonϢʔβͷҝͷJupyter[࣮ફ]ೖ໳ʯΛࢀߟʹ

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σʔλ࠾औͱ࢓૊Έ͸ͪ͜ΒʢPyConJP 2017ΑΓ,આ໌͸ׂѪʣ https://speakerdeck.com/shinyorke/ye-qiu-woke-xue-suruji- shu-pythontotong-ji-raiburaritofen-xi-ji-pan-number-pyconjp

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ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500) ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍

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ٿք୅ද ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ٿք୅ද ͓ۚ࣋ͪ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ٿք୅ද ͓ۚ࣋ͪ څྉట๮? ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ٿք୅ද ͓ۚ࣋ͪ څྉట๮? େଟ਺ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ٿք୅ද ͓ۚ࣋ͪ څྉట๮? େଟ਺ ίεύ࠷ߴʂ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ཧ૝ͷ੒௕૾ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ཧ૝ͷ੒௕૾ څྉ૿Ճͱ࣮ྗͷਰ͑ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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ཧ૝ͷ੒௕૾ څྉ૿Ճͱ࣮ྗͷਰ͑ ྫྷ۰ͦͯ͠Ҿୀ΁ ߩݙ͍ͯ͠ͳ͍ˡʲಘ఺Ձ஋ X3"" ʳˠνʔϜߩݙ͍ͯ͠Δ ͍҆ˡʲ೥เʢ͓څྉʣʳˠߴ͍ ଧऀͷ೥เ෼෍2017 ೥เͷ୯Ґ:100ສԁ ※Max5ԯԁ(500)

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೥เ×ಘ఺ྗ͔Βݟ͑ΔϞϊ • ໺ٿબखʢ໺खʣͷϥΠϑαΠΫϧ • ͱʹ͔݁͘ՌΛग़͢एख࣌୅  (ཧ૝ͷ੒௕૾) • ೥เ૿͑Δࠒʹ͸͍͍ͩͨਰ͑Δ  (څྉ૿Ճͱ࣮ྗͷਰ͑) • ͦͯ͠νʔϜͷʮ͓ՙ෺ʯ΁?  (ྫྷ۰ͦͯ͠Ҿୀ΁) • ͬ͘͟Γࢄ෍ਤඳ͚ͩ͘Ͱ΋৭ʑͱݟ͑ͯ໘ന͔ͬͨ

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େ੾ͳࣄΛ๨Εͯ·ͨ͠

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12ٿஂ૯೥เϥϯΩϯά ॿͬਓΛআ͘૯೥เϥϯΩϯά,ԣ඿ϕΠελʔζ(db),ݟࣄʹ12Ґʂ 1ҐιϑτόϯΫɿ໿44ԯԁ, 12ҐϕΠελʔζɿ໿16ԯԁ ίεύతʹ ʘԣ඿༏উʗ

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ԣ඿ϕΠελʔζબखผ೥เ ౵߳Յஐ(ෆಈͷ࢛൪), ೔ຊਓ૯೥เͷ໿2ׂΛ઎ΊΔ ౤ࢿઌ΋ ʘԣ඿༏উʗ

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ʘԣ඿༏উʗ

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ήʔϜηοτʂ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠&͓ۚ͸େࣄͩΑʂ Shinichi Nakagawa(Twitter/Facebook/etc… @shinyorke)