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坂本勇人選手はいつ通算3,000安打を達成するか? AIに聞いてみました / Hayato S...
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Shinichi Nakagawa
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December 13, 2020
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坂本勇人選手はいつ通算3,000安打を達成するか? AIに聞いてみました / Hayato Sakamoto Performance Prediction Using Feature Engineering with Machine Learning and Python
Sports Analytics Meetup #9 2020/12/13 LT
#Baseball #SABRmetrics #ML #Python
Shinichi Nakagawa
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December 13, 2020
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Transcript
ӫޫͷഎ൪߸6⃣ ࡔຊ༐ਓ3,000ຊ҆ଧه೦LT Shinichi Nakagawa(@shinyorke) Sports Analyst Meetup #9 2020/12/13
ʁʁʁʮ༐ਓ·ͩ2,000ຊ҆ଧΖʯ
ͦͷͱ͓ΓͰ͍͟͝·͢, ࣦྱ͠·ͨ͠
ࡔຊ༐ਓ͍ͭ௨ࢉ3,000ຊ҆ଧΛ ୡ͢Δ͔AIʹฉ͍ͯΈ·ͨ͠ Shinichi Nakagawa(@shinyorke) Sports Analyst Meetup #9 2020/12/13
ຊͷςʔϚ • ࡔຊ༐ਓ͕͍ͭ͝Ζ௨ࢉ3,000ຊ҆ଧΛୡ͢Δ͔༧͢Δ • ਅ໘ͳ, ༧ଌͲ͜·ͰͰ͖Δ͔ࢼͯ͠ΈΔ • ʮӫޫͷഎ൪߸6⃣ࡔຊ༐ਓ3,000ຊ҆ଧͷಓʯ͕ Կޙʹ์ө͞ΕΔ͔Θ͔Δ΄͏͕͍͍ΑͶʢదʣ
Who am I ?ʢ͓લ୭Αʣ • Shinichi Nakagawaʢத ৳Ұʣ • େͷSNSͰʮshinyorkeʢ͠ΜΑʔ͘ʣʯͱ໊͍ͬͯ·͢
• JX Press Corporation Senior Engineer ʢJX௨৴ࣾ γχΞɾΤϯδχΞʣ • Baseball Engineer, Data Scientist ʢੜͷٿΤϯδχΞɾσʔλαΠΤϯςΟετʣ • Ҏલ͓ࣄͰٿΤϯδχΞʮͩͬͨʯਓ
ʲCMʳαʔόʔαΠυΠϯλʔϯืूͯ͠·͢ https://www.wantedly.com/projects/543767 ※ֶੜ͞ΜݶఆͰ͢&ผʹεϙʔπͷࣄͬͯ༁͡Όͳ͍Ͱ͢
26.4ඵͰৼΓฦΔ2020ͷϓϩٿ • ιϑτόϯΫϗʔΫεຊҰʢ4࿈ʣ • όϯςϦϯυʔϜφΰϠ&౦ژυʔϜͷձࣾ(ry • ࡔຊ༐ਓʢڊਓʣ, ӈଧऀͱͯ͠࠷গͰ2,000ຊ҆ଧୡ ͦͷଞʹ͍ͬͺ͍͋Δ͚ͲׂѪʢదʣ
ࡔຊ༐ਓબखͳΒ3,000ຊ҆ଧ༨༟Ͱ • 31ࡀ10ϲ݄Ͱͷୡӈଧऀ࠷ • গͳ͘ͱ͋ͱ4, 5ݱ͢ΔͰ͠ΐ γϣʔτͰݩؾʹΠέͯ·͢͠. • ͡Ό͍͋ͭࠒ3,000ຊ҆ଧΔͷ͞?
͜Εͬͯաڈͷσʔλ͔Β͏·͍۩߹ʹΕ༧ଌՄೳͰ? https://www.nikkansports.com/baseball/news/202011080000831.html
ͱ͍͏Θ͚Ͱ༧ଌϞσϧΛ࡞Γ·ͨ͠. ࠓճPyCon JP 2020ͰͬͨͭΛݩʹͪΐͬͱΞϨϯδͯ͠࡞Γ·ͨ͠. https://shinyorke.hatenablog.com/entry/baseball-and-ml-with-python
ࠓճͷΞϓϩʔνʢΊͬͪΌཁʣ • ϝδϟʔϦʔάͷσʔλΛͬͯ 1.࠷ۙ୳ࡧܥͷΞϧΰϦζϜͰ͍ۙબख୳͠ 2.֬ʢͬΆ͍ʣํ๏Ͱ༧ଌΛ࡞Δ • ↑ͷ݁ՌΛStreamlitͰՄࢹԽ
ͳͥϝδϟʔͷσʔλͳͷ͔ • 3,000ຊ҆ଧୡऀ, ຊϓϩٿҰਓ͔͍͠ͳ͍ʢ͠ʣ ※ʮ୭Ͱ͔͢ʁʯ࣭ͬͯ׃ͧ • ϝδϟʔେਖ਼ٛΠνϩʔ༷ଞ, 3,000ຊ҆ଧୡऀ͕ଟ͍. •
σʔλͷϥΠηϯε&εΫϨΠϐϯάͱ͔େมͰ͠ΐ.
ࡔຊ༐ਓʹ͍ۙϝδϟʔϦʔΨʔ ࢲʢshinyorkeʣ࡞, ʮzobristʯϞσϧͰग़ͨ݁͠Ռʢ΄΅ANNͰ͢ʣ ϝδϟʔϦʔάΛͬͯΔਓ͔ΒΈΔͱೲಘͷ݁ՌͩͱࢥΘΕ ໊͓લνʔϜ ʢ௨ࢉʣ ଧຊྥଧ௨ࢉ҆ଧ ಛͱ͔ 9BOEFS#PHBFSUT
ʢ3FE4PYʣ ଧ੮ӈଧ ௨ࢉ014 ݱ۶ࢦͷ߈ܸܕγϣʔτ %FSFL+FUFS ʢ:BOLFFTʣ ଧ੮ӈଧ આ໌ෆཁͷελʔ खʹݶΔͱ௨ࢉ҆ଧҐ 5SPZ5VMPXJU[LJ ʢ3PDLJFT FUDʜʣ ଧ੮ӈଧ ௨ࢉ014 ߈ܸܕγϣʔτ ͳ͓ຊڌ +JNNZ3PMMJOT ʢ1IJMMJFT FUDʜʣ ଧ੮྆ଧ कඋܕͳγϣʔτ ࣮ಇͷແࣄ೭໊അ
σϞ͠·͢
ࡔຊ༐ਓͷࠓޙ - ҆ଧɾຊྥଧɾଧ ࣅ͍ͯΔϝδϟʔϦʔΨʔXਓͷΛ75%λΠϧͰࢉग़
ࡔຊ༐ਓͷࠓޙ - ଧ ࣅ͍ͯΔϝδϟʔϦʔΨʔXਓͷΛ75%λΠϧͰࢉग़
ࡔຊ༐ਓͷࠓޙΛ·ͱΊΔͱ 2027ʢ38ࡀʣ·Ͱنఆଧ֬อͰ͖ΔͬΆ͍. ※نఆଧ443ଧ੮ʢ2019ͷࢼ߹143×3.1Ͱܭࢉ, ࢛ࣺޒೖʣ ྸ ଧ ҆ଧ ຊྥଧ
ଧ ଧ
ࡔຊ༐ਓબख, ௨ࢉʢ༧ଌʣ ͜ΕͰγϣʔτͩͬͨΒڧ͗͢Ͱʢ͑ʣ ظؒ ଧ ҆ଧ ຊྥଧ ଧ ଧ ·Ͱ
˞ݱ࣮ ˞༧ଌ ௨ࢉʢ༧ଌʣ
ߟ • 39ࡀ͝Ζʹ3,000ຊ҆ଧୡ…ͷϖʔε·͋·͋͋Γͦ͏. ͨͩ͠ྼԽආ͚ΒΕͳ͍. • 36ࡀ͔ΒͷٸܹྼԽकඋҐஔมߋͱ͔ͰઌԆ͠Ͱ͖ͦ͏. ʲࢀߟʳѨ෦৻೭ॿ36ࡀ͔Βัख->ϑΝʔετʹίϯόʔτ •
௨ࢉຊྥଧʢ༧ଌʣ321ຊ…334ຊߦͬͯཉ͍͚͠ͲͲ͏͔
͜ͷ͓͠·͍Ͱ͢…͕ʂʁ • ༧ଌϞσϧ࡞ΓηΠόʔϝτϦΫεແ͠ͰͰ͖ͳ͔ͬͨ • ʮRʹΑΔηΠόʔϝτϦΫεೖʯग़ͨ͠, ͜ͷลΛಛྔΤϯδχΞϦϯάతʹৼΓฦΓ͍ͨ • ͍ͬͯ͏ϩϯάτʔΫ͕Ͱ͖ͨΒ͍͍ͳ⚾
ʢҙ༁ɿࠓճંͬͨϞσϧͷΛ͍ͨ͠ʣ ӡӦͷօ༷, ͝ݕ౼ΑΖ͓͘͠ئ͍͠·͢
ήʔϜηοτ⚾ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠. Shinichi Nakagawa(Twitter/Facebook/etc… @shinyorke)