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20170318_Tokyo.R_ver59

Cb7edd153cf503f44c727b73647558bf?s=47 tetsuroito
March 18, 2017
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 20170318_Tokyo.R_ver59

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Cb7edd153cf503f44c727b73647558bf?s=128

tetsuroito

March 18, 2017
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Transcript

  1. RͰεύʔεϞσϦϯά? 2017೥03݄18೔ɹ @αΠϘ΢ζ

  2. ࣗݾ঺հ ໊લɿҏ౻ ప࿠(@tetsuroito) ࢓ࣄɿϚωʔΛϑΥϫʔυͯ͠·͢ झຯɿञɺαοΧʔ؍ઓɺεΩʔ ۙگɿࡶࢽʹ໊લ͕ग़ΔͳͲͨ͠ Ұݴɿय़Ͱ͢Ͷ

  3. ݱ୅ͷػցֶशͷϒϨΠΫεϧʔ ਂ૚ֶश(DeepLearning) Χʔωϧ๏ εύʔεϞσϦϯά

  4. ݱ୅ͷػցֶशͷϒϨΠΫεϧʔ ਂ૚ֶश(DeepLearning) Χʔωϧ๏ εύʔεϞσϦϯά ͋ͷҪग़͞Μ͕ଠޑ൑ʂ

  5. εύʔεϞσϦϯά͸ʁ ༩͑ΒΕͨσʔλʹԠͯ͡౷ܭϞσϧͷඞཁͳ ෦෼Λࣗಈతʹநग़͢Δٕज़ͷ͜ͱ Ϟσϧબ୒ ม਺બ୒ ͜ΜͳΠϝʔδ ࠷దͳϞσϧΛͲ͏΍ͬͯ୳͔͢

  6. εύʔεϞσϦϯά֓؍ ม਺બ୒ (L0 ਖ਼ଇԽ) AICɺCVɺWAIC DICɺBIC/MDL εύʔεϞσϦϯά L1 ਖ਼ଇԽ lasso

    േଇ͖ͭਪఆ ֊૚ϕΠζ L2 ਖ਼ଇԽ Ϧοδճؼ/ॖখਪఆ elastic net

  7. ͦΜͳࠓΛͱ͖Ί͘ εύʔεϞσϦϯάͷ ࿩୊Λօ͞Μʹ͓ಧ͚

  8. ͦΜͳࠓΛͱ͖Ί͘ εύʔεϞσϦϯάͷ ࿩୊Λօ͞Μʹ͓ಧ͚ ͍ͨ͠ͱࢥ͕ͬͨ…

  9. ࠓͷࢲͷཧղͰ͸ ղઆ·Ͱٴͼ·ͤΜͰͨ͠ αϯϓϧίʔυ͚ͩܝࡌ͠·͢ɻ͝ΊΜͶ

  10. glmnetͰlassoΛ࣮ࢪ

  11. ݁ՌΛඳը

  12. ϏδϡΞϥΠζ

  13. ͱ͍͏Θ͚Ͱ

  14. AI͸R͔Β࢓ࣄΛୣ͏ͷ͔? ͱ͍͏ࡶͳϙΤϜΛ࿩͠·͢

  15. Έͳ͞Μ ͓࢓ࣄͰR࢖ͬͯ·͔͢ʁ

  16. σʔλ෼ੳϓϩηεͱ Rͷؔ܎ੑΛ ݟͯΈΑ͏

  17. CRISP-DMͷϓϩηε

  18. KDDͷϓϩηε બ୒ લॲཧ ม׵ ϚΠχϯά σʔλ ղऍ ධՁ ໨తσʔλ લॲཧࡁ

    σʔλ ม׵ࡁ σʔλ ύλʔϯ
  19. None

  20. σʔλ෼ੳͷܗࣜతͳ ϓϩηεʹ͓͍ͯɺ Rͷकඋൣғ͸ ͔ͳΓ޿͍Α͏ʹݟ͑·͢

  21. ຊ౰ʹͦ͏ͳΜ͚ͩͬʁ ۀ຿ϑϩʔͰR͕૊Έࠐ·Ε͍ͯΔਓʁ

  22. None
  23. None
  24. None

  25. ΍ͬͺRͬͯγεςϜߏ੒ਤʹ͍ͳ͍ΑͶ

  26. ͪΌΜͱ࢖ΘΕ͍ͯΔͳΒɺ͜Μͳײ͡ʹ͋ͬͯ΋͍͍

  27. RͷཱͪҐஔ͸ ʮΞυϗοΫ෼ੳʯͷͨΊͷ ෼ੳπʔϧͳͷͰɺ γεςϜߏ੒͍ͯ͠ͳ͍ͷͰ͸

  28. ΞυϗοΫ෼ੳͦ͜ਓؒྖҬ બ୒ લॲཧ ม׵ ϚΠχϯά σʔλ ղऍ ධՁ ໨తσʔλ લॲཧࡁ

    σʔλ ม׵ࡁ σʔλ ύλʔϯ ֫ಘͨ͠φϨοδΛ࣮૷͠ɺӡ༻͢ΔࡍʹAIతͳৼΔ෣͍ Λͯ͘͠ΕΔͱͱͯ΋ྑͦ͞͏

  29. ڧԽֶश(≒AI) ͷΑ͏ͳΞϓϩʔν͕ղܾͦ͠͏ ͋ͷλΧϠφΪ=αϯ΋ݴͬͯͨ https://japan.zdnet.com/article/35096402/

  30. ͜͏͡Όͳͯ͘

  31. ͜͏͍ͬͨਤ͕͍͍ࣜͷͰ͸ AIͱR͸ڞଘͰ͖ΔͷͰ͸ʂ

  32. ͝੩ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠ʂ Enjoyʂ