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Rubyではじめる野球データ分析(なおPython) #tqrk11
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Shinichi Nakagawa
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July 29, 2017
Science
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Rubyではじめる野球データ分析(なおPython) #tqrk11
https://tokyurubykaigi.github.io/tokyu11/
登壇資料
#Ruby #Daru #Python #Jupyter #Pandas
Shinichi Nakagawa
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July 29, 2017
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Transcript
RubyͰ͡ΊΔ ٿσʔλੳ Shinichi Nakagawa(Retty.Inc/ٿͷਓ) TokyuRubyձٞ11 2017/7/29 #tqrk11 ʙPythonΛఴ͑ͯʙ
ਖ਼ = ٿϢχϑΥʔϜʂ ※ࣸਅ͖ͰγΣΞ͓ئ͍͠·͢ʂ
Who am I ?(͓લ୭Α) • Pythonք۾ͷʮٿͷਓʯͰ͢ • Shinichi Nakagawa(@shinyorke) •
Retty.Inc Engineering Manager ݉,ڕྉཧ୲ • Baseball Scientist/ٿσʔλੳऀ • #Python #SABRmetrics #ٿ౷ܭֶ #Agile #Scrum
ʲCMʳRetty #ͱ • Recommend + Happy = Retty • ࣗʹͽͬͨΓͳ͓ళʹग़ձ͏
໊࣮ܕޱίϛαʔϏε • ͓͔͛͞·Ͱ3000ສϢʔβʔ/݄ಥഁ ͋Γ͕ͱ͏͍͟͝·͢m(_ _)m • ϓϩάϥϛϯάݴޠ • PHP(Web) • Java/Kotlin/Scala(API/Backend) • Python(Web/Backend/Data Science) • Ruby,͑ʔʔͬͱ…͋ͬ(͠
ຊͷΠΠΰϋϯ
https://retty.me/area/PRE13/ARE13/SUB1302/100001296432/
ຊͷʮΠΠΰϋϯʯ • RettyࣾһΦεεϝʮࠇໟڇηοτʯ • ʮࠇໟڇʹ͓͔͠ʯຑे൪ຊళ • ʮڇϝϯνΧπʯʮβϒτϯหʯ • ͱ૬ੑൈ܈ຊञʮࠇڇʯ߹Θͤͯʂ
(৯ͨ͠ํ)ਗ਼͖ҰථΛʂ m(_ _)m
ຊͷʮ͓͠ͳ͕͖ʯ • զࢥ͏ʮRubyͱPythonʯ • PyDataͬΆ͘RubyΛ͞ΘΔ • ʲσϞʳJupyterͰRuby VS Python ಉ͡ٿσʔλੳΛͯ͠Έͨ
• ·ͱΊ
ਲͬͬͯΔͷͰ Ή͔͍ͣ͠ϋφγ ͠ΐΓ·͢(͜ͳΈ)
զࢥ͏ʮRubyͱPythonʯ • Ruby • ͏͐ͬͿͷݴޠ • Ruby On Rails͕ͭΑ͍(͜ͳΈ) •
Python • ʮPyDataʯͱ͍͏ݴ༿͕͋Δ͘Β͍,σʔλͷݴޠ • Jupyter notebook,pandasͱ͔ϥΠϒϥϦ͕ἧ͍ਿ
PyDataͬΆ͍͜ͱΛ RubyͰͬͯΈΔ͜ͱ Ͱ͖Δͷ͔ͳ?(͗Μ)
PyDataͬΆ͘RubyΛ͞ΘΔ • Jupyter notebookͰRubyΛಈ͔͢ • pandasmatplotlibʹΘΔϞϊΛ RubyͰ୳ͯͬͯ͠ΈΔ ˞ڥ࡞Γɾํ๏ޙϒϩάͰʂ
ຊͷٿσʔλੳ • ϝονϟڧ͍ౡͱ,ࠓ͋ͬ(͠)ͳϋϜ, ଧઢͷҖྗͷҧ͍Λײతʹੳ&ՄࢹԽ • ੳσʔλ(MySQL)ʹΫΤϦΛୟ͍ͯαϚͬͯάϥϑΛඳ͘ • ࢦඪͱͯ͠ʮwRAA(ଧܸߩݙ)ʯΛ༻ ཧϝνϟΫνϟΉ͔͍ͣ͠ͷͰ͜͜Ͱলུ •
ͳ͓,ੳͱࢦඪܭࢉPythonΛ༷ͬͨm(_ _)m
݁Ռͪ͜Β(αϯϓϧίʔυ) • wRAAੳ(Ruby) https://gist.github.com/Shinichi-Nakagawa/ 0c41baeee95a725c0523a58452a3981e • wRAAੳ(Python) https://gist.github.com/Shinichi-Nakagawa/ 75e32da5f3b0aca6b13904c0dc7ec481 •
εΩʔϚͷҙຯͳͲͳΜͱͳ͍ͯͩ͘͘͠͞w
·ͱΊ • ͦΒʢRubyͰPythonͱ΄΅ಉ͜͡ͱ͕Ͱ͖ͯʣ ͦ͏ʢౡؙ͕ͯ͘͢͝ϋϜͱϨΞʔυҎ֎ΞϨʹʣ Αɹʢܾ·͍ͬͯΔ͡Όͳ͍͔ʣ • ຊͷੳఔͳΒRubyͰશવOK(ٿʹݶΒͣ) • ͱ͍͑Jupyter notebook༏लͳͷͰ͓֮͑ͯ͘ͱ˕
• ؾʹͳͬͨํͥͻҰॹʹJupyterͰRubyಈ͔͠·͠ΐ͏ʂ (ͦͷͰϋϯζΦϯ͍͍ͯ͠Α) • ͰσʔλੳͬͺΓPythonͰʂ(Җѹײ)
ήʔϜηοτʂʂʂ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠&Ruby࠷ߴʂ Shinichi Nakagawa(Twitter/Facebook/hatena:@shinyorke)