機械学習をスモールスタートさせる方法 / small machine learning

https://d3m.connpass.com/event/104858/

Transcript

1. ػցֶशΛεϞʔϧελʔτ
   ͤ͞Δํ๏
   ΫοΫύουגࣜձࣾછ୩༔Ұ࿠
   %BUB%SJWFO%FWFMPQFS.FFUVQ
   

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2. ࣗݾ঺հ
   છ୩༔Ұ࿠
   ΫοΫύουגࣜձࣾ೥৽ଔೖࣾ
   ݚڀ։ൃ෦ΤϯδχΞ
   ػցֶशج൫ɺը૾ೝࣝܥͷݚڀ։ൃ
   

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3. ΫοΫύουͱػցֶश
   ΫοΫύουݚڀ։ൃ෦
   ೥݄ʹൃ଍ ࢲ͕഑ଐ͞Εͨͷ΋ಉ࣌ظ
   
   ౰࣌͸໊ͷϝϯόʔ
   ೥݄ݱࡏ͸ࠃ಺ʹ໊ւ֎ʹ໊
   ʰສͷϨγϐσʔλΛ׆༻͠ɺϢʔβʔʹՁ஋Λಧ͚Δʱ
   

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4. ࠓ೔ͷτϐοΫ
   ػցֶश ओʹਂ૚ֶश
   Λ

   εϞʔϧελʔτͤ͞Δํ๏
   ͳͥεϞʔϧελʔτ͕ඞཁ͔
   Ͳ͏΍Δͷ͔
   

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5. ࠓ೔ͷτϐοΫ
   ٕज़ʗέʔεελσΟগͳΊɺ

   ίϯηϓτଟΊͷ࿩ʹͳΓ·͢
   աڈʹٕͨ͠ज़తͳ࿩͸ͪ͜Β

   IUUQTTQFBLFSEFDLDPNBZFNPT
   

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6. ਂ૚ֶशͱεϞʔϧελʔτ
   

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7. ਂ૚ֶशͱεϞʔϧελʔτ
   4NBMMTUBSU
   εϞʔϧελʔτ
   4UBSUTNBMM
   

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8. lUIJOLJOHCJH TUBSUJOHTNBMM BOETDBMJOHGBTUz
   
   IUUQTKJNDBSSPMMDPNJOOPWBUJPOUIJOLCJHTUBSUTNBMMTDBMFGBTU
   

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9. 5IJOLCJHJEFOUJGZUIFMPOHUFSNUSBOTGPSNBUJWFUSFOET
   JODMVEJOHTJHOJpDBOUJOEVTUSZDIBOHF CVTJOFTTNPEFM
   EJTSVQUJPO
   ྫ͑͹ɺʮσΟʔϓϥʔχϯάΛ΍͍ͬͯ͘ʯͱܾΊΔ
   

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10. 4UBSUTNBMM1JDLBOVNCFSPGTNBMM FYQFSJFOUJBM
    PSJFOUBUFEQSPKFDUTUPCFHJO5IJTXJMMHJWFZPVCFUUFS
    EFQUIPGJOTJHIU
    ΍͍ͬͯͨ͘Ίʹখ͍͞ϓϩδΣΫτΛ͜ͳ͠ɺֶͿ
    

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11. 4DBMFGBTU%FUFSNJOFXIJDIBSFBTOFFEUPCFUBDLMFE
    pSTUJOUFSNTPGNPWJOHGPSXBSE%FWFMPQUIFBCJMJUZUP
    UBLFZPVSbQSPUPUZQJOH`PGTLJMMTFOIBODFNFOUGSPNUIF
    TNBMMTDBMFQSPKFDUTJOUPGVMMqFEHFEPQFSBUJPOT
    ༗๬ͳϓϩδΣΫτΛબͼɺຊ֨తʹՔಇͤ͞Δ
    

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12. 5IJOLCJH ྫ͑͹
    ʮਂ૚ֶशΛ΍͍ͬͯ͘ʯͱܾΊΔ
    4UBSUTNBMMখ͍͞ϓϩδΣΫτ ࣮ݧ
    Λ͜ͳ͠ɺֶͿ
    4DBMFGBTU༗๬ͳϓϩδΣΫτΛຊ֨తʹՔಇͤ͞Δ
    

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13. ਂ૚ֶशͱ4UBSUTNBMM
    4UBSUTNBMMখ͍͞ϓϩδΣΫτΛ͜ͳ͠ɺֶͿ
    ਂ૚ֶशͱ4UBSUTNBMMͷ૬ੑ͕͍͍ͱࢥΘͤΔ఺
    ৽ٕज़Ͱ͋ΓɺԿ͕ͲΕ͘Β͍Ͱ͖Δͷ͔प஌͞Ε͍ͯͳ͍

    ಺෦తࢼߦࡨޡ͕ඞཁ
    
    લྫ΋ͳ͍ͷͰɺ੒ޭ ྫϢʔβʔͷՁ஋ʹܨ͕Δ
    ͢Δͷ͔෼͔Βͳ͍

    ֎෦తʏ
    
    ٕज़ελοΫͱͯ͠ݟͯ΋ૣख़Ͱ͋Δ

    ӡ༻ͷٕज़తशख़͕ඞཁ
    
    

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14. ਂ૚ֶशͱ4UBSUTNBMM
    ҰํͰɺ4UBSUTNBMM͕΍Γʹͦ͘͏ͳҰ໘΋͋Δ
    େྔͷσʔλͱܭࢉث͕ඞཁ
    ӡ༻ίετ͕ߴ͍
    
    ࠾༻େมͦ͏
    IUUQTBJHPPHMFSFTFBSDIQVCTQVC
    

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15. ਂ૚ֶशͱ4UBSUTNBMM
    ҰํͰɺ4UBSUTNBMM͕΍Γʹͦ͘͏ͳҰ໘΋͋Δ
    େྔͷσʔλͱܭࢉث͕ඞཁ
    ӡ༻ίετ͕ߴ͍
    
    ࠾༻େมͦ͏
    IUUQTBJHPPHMFSFTFBSDIQVCTQVC
    .-0QTͰ ͕
    ղܾͰ͖ͦ͏ͳ໰୊
    

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16. ͱ͜ΖͰ.-0QTͱ͸
    ڪΒ͘%FW0QT΋ಉ༷͕ͩ
    ·ͩఆٛ͸ෆ໌ྎ
    ֶशΞϧΰϦζϜҎ֎ʁ
    %FW0QTͷ.-൛ʁ
    ػցֶश͕ɺιϑτ΢ΣΞ։ൃࣄۀʹ͓͍ͯՁ஋ΛੜΈग़͢͜ͱͷͰ͖Δ
    ٕज़ελοΫͰ͋Γଓ͚ΔͨΊʹඞཁͳٕज़
    ʰӡ༻ίετͷ࡟ݮʱ͚͕ͩ໨తͰ͸ͳ͍
    ྫਂ૚ֶशΛεϞʔϧελʔτͤ͞Δҝͷ.-0QT
    

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17. ͜͜·Ͱ·ͱΊ
    ਂ૚ֶशΛεϞʔϧελʔτ͍ͤͨ͞
    ͦͷͨΊʹ.-0QTͷϓϥΫςΟεΛ׆͔ͤͦ͏
    

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18. εϞʔϧελʔτͷͨΊͷ.-0QT
    ΫοΫύουͷ৔߹
    

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19. ܭࢉث؀ڥ
    ೥݄ͷ࿩
    ݚڀ։ൃ෦һਓདྷि͔ΒΠϯλʔϯΛਓड͚ೖΕ
    "84ຊ൪ΞΧ΢ϯτʹ໺ྑͷ(16Πϯελϯε HYMBSHF
    ͕୆
    ৽ن࡞੒ͷ౓ʹίϛϡχέʔγϣϯ͕ൃੜ
    ݚڀ։ൃ༻ΞΧ΢ϯτΛൃߦ͠ɺӡ༻ͷੵۃతͳ಺੡Խ΁
    

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20. ܭࢉث؀ڥ
    ݚڀ։ൃ༻ΞΧ΢ϯτͷΠϯϑϥΛίʔυ؅ཧ
    ຊ൪ΞΧ΢ϯτͷϓϥΫςΟε %FW0QT
    ʹ฿͏
    
    $IBU#PUΛ௨ͯ͠(16ΠϯελϯεΛ্ཱͪ͛Δ࢓૊ΈΛ࣮૷
    Πϯελϯεͷ࡞੒ɺٳ຾ΠϯελϯεͷࣗಈఀࢭΛ੔උ
    ࣮࣭
    (16Πϯελϯεݐͯ์୊Λ࣮ݱ
    ͍ͭͰ΋࣮ݧεϞʔϧελʔτ
    

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21. ܭࢉث؀ڥ
    ݚڀ։ൃ༻ΞΧ΢ϯτͷΠϯϑϥΛίʔυ؅ཧ
    ຊ൪ΞΧ΢ϯτͷϓϥΫςΟε %FW0QT
    ʹ฿͏
    
    $IBU#PUΛ௨ͯ͠(16ΠϯελϯεΛ্ཱͪ͛Δ࢓૊ΈΛ࣮૷
    Πϯελϯεͷ࡞੒ɺٳ຾ΠϯελϯεͷࣗಈఀࢭΛ੔උ
    ࣮࣭
    (16Πϯελϯεݐͯ์୊Λ࣮ݱ
    ͍ͭͰ΋࣮ݧεϞʔϧελʔτ
    .-0QT
    
    
    

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22. ػցֶशج൫ͱ4UBSUTNBMM
    ػցֶशج൫΋·ͨ৽͍͠ྖҬ4UBSUTNBMM͕ඞཁ
    ඞཁͳͷ͸ج൫ٕज़ͷεϞʔϧͳࢼߦࡨޡ
    ྫ͑͹ج൫୲౰Λ3%ʹ഑ஔͯ͠ΈΔ
    LVCFqPXͳͲͷϓϥοτϑΥʔϜ΋૊৫΍γνϡΤʔγϣϯ
    ͱͷ૬ੑ͕͋Δ
    ՄೳͰ͋Ε͹
    ੵۃతʹࢼ͢ɺ࢖ͬͯΈΔͱΑͦ͞͏
    

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23. ༨ஊʙݕࡧγεςϜʹֶͿʙ
    ʮσʔλͷྲྀΕ͕͋ΓɺγεςϜ͕σʔλͱڞʹ੒௕͢ΔΑ͏ͳγ
    εςϜʯͱ͍͑͹ʁ
    ݕࡧγεςϜͷӡ༻ϓϥΫςΟε͔Β

    ֶͿ͜ͱ͸ଟͦ͏
    ΠϯσοΫεͷߏஙɺࣙॻσʔλͷ؅ཧ౳
    IUUQTXXXBNB[PODPKQ#VJMEJOH*OUFMMJHFOU4ZTUFNT-FBSOJOH&OHJOFFSJOHFCPPLEQ##82)3
    

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24. ·ͱΊ
    ਂ૚ֶश͸εϞʔϧελʔτ͍ͤͨ͞
    ৽͍ٕ͠ज़ͷՄೳੑ ͱ੍໿
    Λ࡞Γͳ͕ΒֶͿ

    εϞʔϧελʔτ
    .-0QTͷద੾ͳར༻͸εϞʔϧελʔτΛॿ͚Δ
    

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