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Stripe Sigmaのススメ

Stripe Sigmaのススメ

JP_Stripes "Deep Dive" Vol.1 にて発表したStripe Sigmaについての発表資料です。

Hiroki Akiyama

August 26, 2020
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  1. 4USJQF4JHNBͷ
    εεϝ
    /PUB *OD
    71PG&OHJOFFSJOH
    ळࢁതل

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  2. ΞδΣϯμ
    w ࢲͱ4USJQF4JHNB
    ɾࣗݾ঺հ
    ɾಋೖܦҢ
    w 4USJQF4JHNB͓͢͢ΊϙΠϯτ̓બ
    w ͞Βʹ͓͢͢Ίͷ࢖͍ํ


    ˞ຊ೔ͷൃදࢿྉ͸ޙ΄Ͳެ։͠·͢

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  3. ࢲͱ4USJQF4JHNB

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  4. ࣗݾ঺հ
    w ळࢁതل
    w ɹ!BLJSPPN
    w /PUB *ODͱ͍͏ϕϯνϟʔاۀͰ
    71PG&OHJOFFSJOHΛ͍ͯ͠·͢
    w ։ൃνʔϜΛϚωδϝϯτ͠ͳ͕Β
    ίʔυॻ͍ͯ·͢

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  5. ࢲͱ+1@4USJQFT
    w +14USJQFTژ౎7PM
    ొஃʰΞπ͍ʂ4USJQF4JHNBʱ
    w 4USJQF"EWFOU$BMFOEBS
    %BZʰ4USJQF4JHNB֓࿦ʱ
    w 4USJQF"EWFOU$BMFOEBS
    %BZʰ4USJQF"1*ͷόʔδϣϯΛ೥͔Β
    ೥෼Ξοϓσʔτͨ͠࿩ʱ
    w +1@4USJQFT$POOFDUελοϑࢀՃ

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  6. /PUB *OD
    w ژ౎ຊࣾ ಉࢤࣾେલ
    ɾ౦ژࢧࣾ ࣚཹ

    w ϑϧϦϞʔτ0,ͷձࣾ
    ‛ίϩφͰ΋Өڹ΄ͱΜͲͳ͠
    ɹɹ„ςϨϏہͷऔࡐΛड͚ͨ࣌ͷࣸਅ

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  7. #$##4BB4Λఏڙ
    (ZB[P 4DSBQCPY )FMQGFFM
    ੈք࠷େڃͷΫϥ΢υ
    εΫϦʔϯγϣοτ
    ը૾ڞ༗αʔϏε
    ສ݅Ҏ্ͷ
    ϓϩδΣΫτΛ࣋ͭ
    φϨοδڞ༗αʔϏε
    $4ͷෛ୲Λ࡟ݮͰ͖Δ
    '"2γεςϜ
    aചΓग़͠த

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  8. #$##4BB4Λఏڙ
    (ZB[P 4DSBQCPY )FMQGFFM
    ੈք࠷େڃͷΫϥ΢υ
    εΫϦʔϯγϣοτ
    ը૾ڞ༗αʔϏε
    ສ݅Ҏ্ͷ
    ϓϩδΣΫτΛ࣋ͭ
    φϨοδڞ༗αʔϏε
    $4ͷෛ୲Λ࡟ݮͰ͖Δ
    '"2γεςϜ
    aചΓग़͠த

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  9. (ZB[P
    w εΫϦʔϯγϣοτڞ༗αʔϏε
    w ࠷େͷϥΠόϧ͸1SJOU4DSFFOΩʔ


    w جຊແྉɾ՝ۚϓϥϯ͋Γ
    ਺ඦສ."6
    ݄ؒ ສ6QMPBE
    ւ֎Ϣʔβʔׂ

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  10. (ZB[Pͷܾࡁ
    w 4USJQFͱ1BZQBMΛซ༻
    w ͭͷܾࡁϓϥοτϑΥʔϜͷϥούʔͱͳΔ
    ಺෦αʔϏε&TDBSHPU
    w 1BZQBMͷෳࡶոحͳ"1*ʹରԠ͢ΔͨΊʹ
    Կ౓͔࠶ߏங͞ΕͨʢΒ͍͠ʣ

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  11. (ZB[Pͷ։ൃ
    w ೥ͷ4JHNBಋೖ౰࣌͸ਓखෆ଍
    w ϑϧλΠϜͷΤϯδχΞ͕ਓ
    w ΞϧόΠτˍۀ຿ҕୗͷਓ͕ਓ
    w ਓख͕શવ଍Γͳ͍ʂ

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  12. ਓख͕଍Γͳ͍‛
    w ػೳ։ൃɾόάमਖ਼ͰΧπΧπ
    w جຊతͳ4BB4ࢦඪΛूΊ͍ͨ
    w .33ͱ͔νϟʔϯϨʔτͱ͔
    w ूܭج൫ͷ੔උ·Ͱख͕ճΒͳ͍
    w υϧݐͯɾϢʔϩݐͯɾԁݐͯɾ೥ֹɾֹ݄ɾ஋্͛ɾׂҾɾ
    Ϋʔϙϯɾத్ղ໿ɾಛผܖ໿
    w ࣄۀղ૾౓͸্͍͛ͨ

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  13. ೰ΜͰ͍Δ࣌ʹݟ͚ͭͨ8FCϖʔδ͕ʜ

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  14. View Slide

  15. View Slide

  16. ٹੈओͩ

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  17. Ҏ্͕4USJQF4JHNBͱͷग़ձ͍Ͱ͢

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  18. 4USJQF4JHNB
    ͓͢͢ΊϙΠϯτબ

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  19. ͍͖ͳΓ࢖͑Δ
    w ɹɹɹɹɹɹɹɹɹΛΫϦοΫͰར༻։࢝
    w ਺࣌ؒʙ਺೔ ʁ

    w ϚΠάϨʔγϣϯ Ҡߦ࡞ۀ
    ͳͲ͸ෆཁ
    w ܖ໿લ΋ؚΉશ͕݅ର৅ʹͳΔ
    w ׬શʹ4BB4ͳͷͰอकෆཁ

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  20. ྉۚ໌ྎ
    w ܾࡁճ਺ʹൺྫ
    w ϥϯσΟϯάϖʔδʹྉۚγϛϡϨʔλʔ͕͋Δ
    w ແྉτϥΠΞϧதʹ4JHNBͰܾࡁճ਺ͷਪҠΛ
    ֬ೝ͢Δͱ෼͔Γ΍͍͢

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  21. ྑ࣭ͳ*%&
    w ςʔϒϧ໊ͳͲͷೖྗิॿ

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  22. ྑ࣭ͳ*%&
    w ͦͷ৔ͰεΩʔϚ %#ߏ଄
    ͷ֬ೝͰ͖Δ6*

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  23. ྑ࣭ͳ*%&
    w ͦͷ৔Ͱ࣮ߦ݁ՌΛ֬ೝʢ਺ඵʙʣ

    View Slide

  24. ๛෋ͳςϯϓϨʔτ
    w ͙͢࢖͑Δαϯϓϧ42-͕݅͋Δ
    w "316ͳͲ4BB4ͷ
    ॏཁࢦඪ΋ೖͬͯΔ
    w গ͠ม͑ͨΓ͍ͬ͡
    ͨΓͰษڧͰ͖Δ

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  25. ۃΊͯී௨ͷ42-
    w ͘͝ී௨ͷ42-ͰΫΤϦൃߦͰ͖Δ
    w ਖ਼֬ʹ͸1SFTUPͱ͍͏42-͕ͩ
    ར༻ऀ͸ҙࣝ͠ͳͯ͘ྑ͍
    w ͪΐͬ͜ͱษڧ͢Ε͹͙͢ʹ࢖͍࢝ΊΒΕΔ
    ຊ԰ʹ͍͘ΒͰ΋ࢀߟॻ͕͋ΔϨϕϧ

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  26. 3FBEPOMZͰԿ౓Ͱ΋
    w ಡΈࠐΈઐ༻ͷσʔλϕʔε
    ‛ΤϯδχΞʹݶΒͣϚʔέλʔ΍σΟϨΫ
    λʔ΋࢖͑ΔΑ͏ݖݶઃఆͰ͖Δ
    w Կ౓࣮ߦͯ͠΋ྉۚ͸ಉ͡
    ‛42-ΫΤϦΛൃߦ࣮ͯ͠ݧ͠·͘Γ0,
    ‛ܹॏΫΤϦΛൃߦͯ͠΋໰୊ͳ͍

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  27. 8FC)PPL͕௒ศར
    w ຊ೔ͷ࠷ॏཁϙΠϯτ
    w 4JHNBͷΫΤϦ͸ఆظ࣮ߦ͕Մೳ
    w ࣮ߦ݁ՌΛ8FC)PPLͱͯ͠1045Ͱ͖Δ
    ɹɹ„
    w Ϩϙʔτੜ੒͕ࣗಈԽͰ͖Δ

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  28. ͞ΒʹΦεεϝͳͷ͕ʜ

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  29. 4USJQF4JHNB
    Y
    (PPHMF4QSFBETIFFU

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  30. (PPHMF4QSFBETIFFU࿈ܞ
    w (PPHMF"QQ4DSJQUʢ("4ʣΛ࢖͏ͱ
    4QSFBETIFFUʹ1045"1*Λ༻ҙͰ͖Δ
    w 4USJQF4JHNBͷ࣮ߦ݁ՌΛ1045Ͱ౤ߘ͢Δͱ
    μογϡϘʔυͷࣗಈੜ੒͕ՄೳʹͳΔ
    4USJQF
    4JHNB
    (PPHMF
    4QSFBETIFFU
    4DIFEVMFE
    8FC)PPL

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  31. ஫ɿද͍ࣔͯ͠Δ਺ࣈ͸શͯཚ਺Ͱ͢

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  32. 4JHNB
    ࢖ͬͯྑ͔͔ͬͨʁ

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  33. 4USJQF4JHNB࠷ߴ
    w ࣌ؒతίετΛ͔͚ͣʹ্࣭ͳ෼ੳج൫Λήοτ
    w ࣄۀղ૾౓͕ര্͕Γ
    .33ܭࢉ௨՟ผ݄ผϓϥϯผͳͲ
    w (ZB[Pͷ৔߹೥य़ʹಋೖͯ͠Ҏདྷ
    ϲ݄Ҏ্ϊʔϝϯςͰಈ͖ଓ͚͍ͯΔ
    w ࠓ೥͸4DSBQCPYʹ΋ಋೖ༧ఆ
    ܦӦ্ͷཁ੥

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  34. ·ͱΊͱ஫ҙࣄ߲

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  35. ·ͱΊ
    w 4JHNB͸ͱͯ΋ศར
    w ࣄۀղ૾౓Λ্͍͛ͨاۀʹΦεεϝ
    w 8FC)PPLػೳΛ࢖ͬͯ(PPHMF4QSFBETIFFU
    ͱ૊Έ߹ΘͤΔͱྑ͍

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  36. ஫ҙࣄ߲
    w 4USJQF4JHNBEPFTOPUJNNFEJBUFMZSFqFDUZPVS
    BDDPVOU`TNPTUSFDFOUUSBOTBDUJPOTBTBEEJUJPOBM
    QSPDFTTJOHUJNFŠVQUPUISFFEBZTŠJT
    SFRVJSFEUPNBLFUIJTEBUBBWBJMBCMFUPRVFSZ5IF
    JOUFSGBDFJOUIF%BTICPBSEEJTQMBZTUIFEBUFBOEUJNF
    UIBUEBUBXBTMBTUVQEBUFEʢ%BUBGSFTIOFTTΑΓʣ
    w લॲཧʹ೔͔͔ؒΔ
    w ϚϯεϦʔϨϙʔτ͸ຖ݄ ೔͋ͨΓʹ࣮ߦ͢ΔΑ͏ઃఆ

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  37. ஫ҙࣄ߲
    w 4USJQF4JHNBEPFTOPUJNNFEJBUFMZSFqFDUZPVS
    BDDPVOU`TNPTUSFDFOUUSBOTBDUJPOTBTBEEJUJPOBM
    QSPDFTTJOHUJNFŠVQUPUISFFEBZTŠJT
    SFRVJSFEUPNBLFUIJTEBUBBWBJMBCMFUPRVFSZ5IF
    JOUFSGBDFJOUIF%BTICPBSEEJTQMBZTUIFEBUFBOEUJNF
    UIBUEBUBXBTMBTUVQEBUFEʢ%BUBGSFTIOFTTΑΓʣ
    w લॲཧʹ೔͔͔ؒΔ
    w ϚϯεϦʔϨϙʔτ͸ຖ݄ ೔͋ͨΓʹ࣮ߦ͢ΔΑ͏ઃఆ
    9

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  38. ஫ҙࣄ߲
    w ೥݄ݱࡏɺҎԼʹॻ͖׵Θͬͨ
    w 4USJQF4JHNBNBLFTZPVSUSBOTBDUJPOEBUBBWBJMBCMFUPRVFSZ
    XJUIJOPOFEBZ"MMBDDPVOUBDUJWJUZGPSBHJWFOEBZ GSPN
    BNUPQN65$
    JTBWBJMBCMFUPRVFSZCZQN
    65$UIFGPMMPXJOHEBZ'PSFYBNQMF EBUBGPSUIFFOEPGEBZ
    4VOEBZ65$UJNFTIPVMECFBWBJMBCMFCZ.POEBZBGUFSOPPO
    4JNJMBSMZ EBUBGPSUIFMBTUEBZPGUIFNPOUIXPVMECFBWBJMBCMF
    POFEBZJOUPUIFGPMMPXJOHNPOUIʢ%BUBBWBJMBCJMJUZΑΓʣ
    w 65$Ͱ೔Ҏ಺ʹར༻ՄೳʹͳΔ
    w ྫɿ೔༵ͷσʔλ͸݄༵ਖ਼ޕʹࢀরͰ͖Δ
    w ϚϯεϦʔϨϙʔτ͸ຖ݄೔͙Β͍ʹ࣮ߦ͢Ε͹0,

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  39. ෼ੳͰࠔͬͨΒ
    ͱΓ͋͑ͣ
    4USJQF4JHNBʹτϥΠ

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  40. ͓·͚

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  41. ͓·͚ɿ݄ܾؒࡁ਺Λௐ΂Δ42-
    w ௚ۙϲ݄ͷ݄ܾؒࡁ਺Λௐ΂Δ
    42-ΛϓϨθϯτɿIUUQCJUMZTJHNBDPTU
    w 4USJQF4JHNBͷख਺ྉΛ
    ؆୯ʹ֓ࢉͰ͖Δ
    w ςϯϓϨʔτʹೖͬͯͳ͍
    ͷ͕ෆࢥٞ
    w 5XJUUFSͷ!BLJSPPNͰ
    εϥΠυڞ༗͠·͢ʂ

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  42. ෼ੳͰࠔͬͨΒ
    ͱΓ͋͑ͣ
    4USJQF4JHNBʹτϥΠ

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