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pandasでのOSS活動事例と最初の一歩

Sinhrks
September 09, 2017

 pandasでのOSS活動事例と最初の一歩

@ PyConJP 2017 Keynote

Sinhrks

September 09, 2017
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  1. pandasͰͷOSS׆ಈ
    ࣄྫͱ࠷ॳͷҰา
    Masaaki Horikoshi @ ARISE analytics

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  2. • ງӽ ਅө @ גࣜձࣾ ARISE analytics
    • OSS׆ಈ
    • https://github.com/sinhrks
    ࣗݾ঺հ
    867
    2017/9/3ݱࡏ
    11
    106
    15
    9
    2
    2 3
    77
    286
    1,879
    10,699
    ggfortify(R)
    pandas-ml
    Github Stars
    Org. Members
    (Committers)
    Contributors

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  3. ձࣾ঺հ
    • גࣜձࣾ ARISE analytics
    • 2017೥4݄ઃཱ
    • ۀ຿
    • ௨৴αʔϏεɺEίϚʔεͳͲʹ͓͚Δσʔλ෼ੳ
    • ϨίϝϯυΤϯδϯ΍৽نιϦϡʔγϣϯͷ։ൃ

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  4. ໨࣍
    • PythonͱՊֶܭࢉ
    • pandasͰͷOSS׆ಈࣄྫ
    • OSS׆ಈ ࠷ॳͷҰา

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  5. PythonͱՊֶܭࢉ

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  6. Pythonͱ͸
    • ൚༻ϓϩάϥϛϯάݴޠ
    • ۙ೥ɺՊֶܭࢉͰ΋޿͘࢖ΘΕ͍ͯΔ
    • Google Trends (Python / ೔ຊ)

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  7. IEEE Spectrum
    The 2017 Top Programming Language
    http://spectrum.ieee.org/computing/software/the-2017-top-prog

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  8. Pythonͱ͸
    • Guido van Rossum:
    • … The first sound bite I had for Python was, "Bridge the gap between the
    shell and C.”
    • So I never intended Python to be the primary language for programmers
    … It was intended to be a second language for people who were already
    experienced programmers…
    • We now have a large community of people using Python as an
    educational language … These people aren't and may never be
    professional programmers, but they still find some programming skills
    useful.
    • Python's Design Goals (A Conversation with Guido van Rossum, Part II) by Bill Venners 2003/01/20

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  9. ՊֶܭࢉͱPython
    • Python͕ՊֶܭࢉͰ࢖ΘΕ͍ͯΔཧ༝(ࢲݟ)
    • ڭҭػؔͰ࢖ΘΕ͍ͯΔ
    • C/Fortranࢿ࢈ͷར༻͕༰қ
    • ՊֶܭࢉܥOSS͕ൃలɾ੒ख़

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  10. Պֶܭࢉύοέʔδ

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  11. Պֶܭࢉύοέʔδ

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  12. ՊֶܭࢉܥίϛϡχςΟ
    • ࠃ಺֎Ͱ༷ʑͳίϛϡχςΟΠϕϯτ͕੝ΜʹߦΘ
    Ε͍ͯΔ
    • PyCon
    • PyData
    • SciPy
    • …

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  13. PyCon JP 2016
    ࢀՃऀΞϯέʔτ
    • Q3. ීஈɺͲͷ෼໺ͰPythonΛ࢖͍ͬͯ·͔͢ʁ
    168
    127
    111
    94
    55
    51
    14
    12
    12
    2
    0 20 40 60 80 100 120 140 160 180
    &! / Private tools development
    Web+% / Web development
    #" */machine learning
    '( / Research & Development

    )$ / System management
    Big Data

    +% / Desktop Application
    / Computer graphics
    +% / Game programming
    https://pycon.jp/2016/ja/files/32/pyconjp2016survey.htm

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  14. ւ֎ͷՊֶܭࢉܥΠϕϯτ
    • 2017೥7݄ SciPy 2017ʹࢀՃ
    • PythonΛ༻͍ͨσʔλ෼ੳɺՊֶݚڀʹؔ͢Δੈք࠷େ
    ن໛ͷΠϕϯτ
    • ࢀՃऀ: ໿700໊
    • ظؒ: 9೔ؒ (νϡʔτϦΞϧɺεϓϦϯτؚ)
    • ։࠵৔ॴ: ςΩαεେֶ (ΦʔεςΟϯ)

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  15. SciPy2017ͷ༷ࢠ
    • Keynote: Drilling the Chicxulub Impact Structure / Sean
    Gulick, University of Texas
    • ڪཽઈ໓͸୯ҰͷᯁੴͷিಥͰͰ͖ͨՄೳੑ͕ߴ͍ͱ݁࿦
    • σʔλղੳʹ͸PythonΛར༻

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  16. pandasͰͷOSS׆ಈࣄྫ

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  17. ͦ΋ͦ΋
    pandas ͬͯԿʁ

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  18. pandasͱ͸
    • σʔλ෼ੳͷͨΊͷߴ଎Ͱ࢖͍΍͍͢σʔλߏ଄Λఏڙ
    • 2࣍ݩදܗࣜ
    • RͰ͍͏“data.frame”
    • Author: Wes McKinney
    • License: BSD
    • ޠݯ: PANel DAta System

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  19. pandasͱ͸
    import pandas as pd
    df = pd.read_csv(‘adult.csv’)
    df
    "EVMU%BUBTFUUBLFOGSPN6$*.-3FQPTJUPSZ
    -JDINBO .
    6$*.BDIJOF-FBSOJOH3FQPTJUPSZ*SWJOF $"6OJWFSTJUZPG$BMJGPSOJB 4DIPPMPG*OGPSNBUJPOBOE$PNQVUFS4DJFODF
    3FBEDTWpMF
    $PMVNOT
    *OEFY
    .JYFEEBUBUZQFT

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  20. pandasͱ͸
    df[['age', 'marital-status']]
    df.groupby('income')['hours-per-week'].mean()
    (SPVQCZ 4FMFDU "HHSFHBUF
    4FMFDU

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  21. ͳͥ pandas ͕ඞཁͳͷʁ
    SQLͰΑ͘ͳ͍ʁ

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  22. ͳͥ pandas ͔
    • ݱ࣮ͷ(Ԛ͍)σʔλΛɺ௚ײతʹૢ࡞Ͱ͖Δ

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  23. ͳͥ pandas ͔
    • ྫ: খചళͰΩϟϯϖʔϯɾఱީ͕ചΓ্͛ʹ༩͑ΔӨڹΛ஌Γ͍ͨ
    • σʔλιʔε͕όϥόϥ…
    ೔࣌ ৔ॴ ఱީ
    ౦ژ౎໨ࠇ۠ ੖Ε
    Ωϟϯϖʔϯ໊শ ։࢝೔ ऴྃ೔
    999
    :::
    Ωϟϯϖʔϯ͸ళฮ͝ͱʹ
    &YDFMͰه࿥ʜ
    ఱީσʔλ͸8FC͔Β$47Ͱ
    μ΢ϯϩʔυ
    ళฮ*% Ϣʔβ*% Ϩγʔτ*% ߪങ೔࣌
    "" BBB
    ## CCC
    104σʔλΛ42-Ͱऔಘʜ

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  24. ͳͥ pandas ͔
    • ྫ: খചళͰΩϟϯϖʔϯɾఱީ͕ചΓ্͛ʹ༩͑ΔӨڹΛ஌Γ͍ͨ
    • ༷ʑͳߟྀࣄ߲…
    ళฮ*% Ϣʔβ*% Ϩγʔτ*% ߪങ೔࣌
    "" BBB
    ## CCC
    ೔࣌ ৔ॴ ఱީ
    ౦ژ౎໨ࠇ۠ ੖Ε
    Ωϟϯϖʔϯ໊শ ։࢝೔ ऴྃ೔
    999
    :::
    ෼୯ҐͰूܭ͍ͨ͠
    ৽ฉ޿ࠂͱళ಄νϥγͰ͸ޮ
    Ռ͕ҧ͏ʁ
    Ұఆ࣌ؒ͝ͱͷ؍ଌ஋Λ
    ద౰ͳϧʔϧͰඥ෇͚

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  25. pandas ͷҐஔ෇͚
    CRISP-DM: Cross Industry Standard Process for Data Mining
    Ϗδωεͷཧղ
    σʔλͷཧղ
    σʔλ४උ
    ϞσϦϯά
    ධՁ
    ల։
    ݱ࣮ͷσʔλΛཧղ͠ɺ
    ෼ੳͰ͖Δܗʹམͱ͢

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  26. pandas ΤίγεςϜ
    • I/O
    • pandas-datareader
    • pandas-msgpack
    • pandas-gbq
    • υϝΠϯ
    • geopandas
    • xarray
    • ػցֶश
    • sklearn-pandas
    • pandas-ml
    • ฒྻॲཧ
    • Dask
    • ։ൃऀ޲͚
    • pandas-compat
    Լઢ͸pandas/pydataϦϙδτϦʹ͋Δ΋ͷ

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  27. ίϛολͬͯ
    ͲΜͳ͜ͱΛͯ͠Δʁ

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  28. pandas ͰͷOSS׆ಈܦҢ
    1ϓϧϦΫΤετ=1ίϛοτӡ༻
    Number of Commits
    ॳΊͯͷissue
    ·ͱ΋ʹ(?)׆ಈ։࢝
    ίΞνʔϜՃೖ

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  29. ίϛολʹͳΔʹ͸
    • ϓϩδΣΫτʹΑͬͯҧ͏͕ɺpandasͷ৔߹:
    • ࣭ɾྔͱ΋े෼ͳߩݙΛ͍ͯ͠Δ͜ͱ
    • Ұ೥Ҏ্׆ಈ͍ͯ͠Δ͜ͱ
    →ݱࡏͷίΞνʔϜϝϯόͷਪનɺ౤ථͰܾఆ

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  30. ίϛολͷ໾ׂ
    • Make decisions about:
    • The overall scope, vision and direction of the project.
    • Strategic collaborations with other organizations or
    individuals.
    • Specific technical issues, features, bugs and pull requests.
    • The services that are run by the project.
    • Regular community discussion doesn’t produce consensus.

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  31. ίϛολͷۀ຿
    • Issue΁ͷճ౴
    • ίʔυϨϏϡʔ
    • ϓϧϦΫΤετͷϚʔδ
    • पลΠϯϑϥ(CI౳)ͷ੔උɺӡ༻
    • ϦϦʔε (ϦϦʔεϚωʔδϟ͕࣮ࢪ)
    • ςϨίϯ

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  32. ॏཁͳ͜ͱ
    • ϓϩμΫτͷ඼࣭
    • ίϛϡχςΟͷ඼࣭
    • ͜ΕΒΛҡ࣋͢ΔͨΊͷ࢓૊Έͮ͘Γ

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  33. ϓϩμΫτͷ඼࣭
    • ࢖͍΍͍͢
    • Πϯετʔϧ
    • ϢʔβϏϦςΟ
    • υΩϡϝϯτ
    • ඼࣭͕୲อ͞Ε͍ͯΔ
    • ܧଓతΠϯςάϨʔγϣϯ
    • ύϑΥʔϚϯεςετ

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  34. Πϯετʔϧ
    • Anaconda
    • ֤छ wheel ͷఏڙ

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  35. ϢʔβϏϦςΟ
    • API
    • ύοέʔδ಺֎Ͱͷ౷Ұੑ
    • ໊લۭؒΛద੾ʹ෼ׂ(ΞΫηα)
    • ޙํޓ׵ੑ
    • ௚ͪʹมߋͤͣඇਪ঑Խˠ2ϝδϟʔόʔδϣϯޙʹมߋ
    • աڈʹγϦΞϥΠζ͞ΕͨΦϒδΣΫτͷಡΈࠐΈΛ୲อ

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  36. υΩϡϝϯτ
    • ެࣜυΩϡϝϯτ
    • http://pandas.pydata.org/pandas-docs/stable/
    • ॻ੶
    • PythonʹΑΔσʔλ෼ੳೖ໳ / Wes McKinney
    • ༗ࢤυΩϡϝϯτ
    • Modern pandas / Tom Augspurger
    • https://tomaugspurger.github.io/modern-1.html

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  37. ܧଓతΠϯςάϨʔγϣϯ
    • ੩తνΣοΫ (flake8)
    • ࣗಈςετ (Travis-CI, AppVeyor, Circle-CI)
    • Python όʔδϣϯ x पล؀ڥͷ૊Έ߹Θͤ
    • ΧόϨοδνΣοΫ (Codecov)

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  38. ύϑΥʔϚϯεςετ
    • Airspeed Velocity
    • ࢦఆίϛοτͰςετˍίϛοτؒൺֱ
    • 1000↑ͷϕϯνϚʔΫΛ࣮ߦ
    http://pandas.pydata.org/speed/pandas

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  39. ॏཁͳ͜ͱ
    • ϓϩμΫτͷ඼࣭
    • ίϛϡχςΟͷ඼࣭
    • ͜ΕΒΛҡ࣋͢ΔͨΊͷ࢓૊Έͮ͘Γ

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  40. ίϛϡχςΟͷ඼࣭
    • ΦʔϓϯͰ͋Δ͜ͱ
    • ࢀՃ͠΍͍͢
    • αϙʔςΟϒͰ͋Δ

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  41. ࢀՃ͠΍͘͢͢ΔͨΊʹ
    • Φʔϓϯͳίϛϡχέʔγϣϯ (GitHub,
    Gitter)
    • ߦಈنൣ (Code Of Conduct)
    • ։ൃऀ޲͚υΩϡϝϯτ(GitHub Wiki)

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  42. GitHub
    • దٓλά෇͚͠ɺٞ࿦ʹࢀՃ͠΍͘͢
    • IssueςϯϓϨʔτΛར༻͠ɺॳ৺ऀͰ΋Ϩ
    ϙʔτ͠΍͘͢

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  43. ߦಈنൣ (Code of Conduct)
    • ΨόφϯεͷͨΊͷGitHubϦϙδτϦΛ੔උ
    • https://github.com/pandas-dev/pandas-
    governance

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  44. ։ൃऀ޲͚υΩϡϝϯτ
    • ։ൃऀ޲͚
    • ίϯτϦϏϡʔγϣϯΨΠυ
    • Gitͷ࢖͍ํ
    • ςετํ๏
    • ίʔσΟϯάελΠϧ
    • ϦϦʔεϊʔτͷॻ͖ํ
    • Specialities
    • …
    • ϝϯςφ޲͚
    • ϦϦʔε࣌ͷνΣοΫϦετ
    • υΩϡϝϯτެ։ํ๏
    • …

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  45. ։ൃऀ޲͚υΩϡϝϯτ
    • Specialities
    • ػೳผͷ༗ࣝऀҰཡ(ίΞνʔϜҎ֎΋ؚ)
    • ؔ࿈͢Δ Issue / ϓϧϦΫΤετ͔Β௨஌Λ
    ඈ͹͢
    • https://github.com/pandas-dev/pandas/
    wiki/Specialities

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  46. ஂମɾاۀ͔Βͷࢧԉ

    • Institutional Partners
    • Continuum Analytics
    • Two Sigma

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  47. OSS׆ಈ ࠷ॳͷҰา

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  48. OSS׆ಈͷϝϦοτ
    • ঝೝཉٻ͕ຬͨͤΔ
    • ༗ࣝऀͷίʔυϨϏϡʔʹΑΓεΩϧΞοϓͰ
    ͖Δ
    • ಺෦࣮૷͕ཧղͰ͖ɺޮ཰తͳίʔυ͕ॻ͚Δ
    • मਖ਼ΛϚελʹऔΓࠐΜͰ΋Β͏͜ͱͰɺݸਓ
    ͷϝϯςෛՙΛܰݮͰ͖Δ

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  49. OSS׆ಈΛ࢝ΊΔʹ͸
    • ίʔυमਖ਼͚͕ͩOSS׆ಈͰ͸ͳ͍
    • એ఻͢Δ (ϒϩάΛॻ͘ɺൃද͢Δ)
    • σʔλܥͷ৔߹ɺOSSΛ࢖ͬͨ෼ੳϊ΢ϋ΢Ͱ΋
    • ࣭໰ (StackOverflow, GitHub Issue)ʹ౴͑Δ
    • IssueΛॻ͘
    • ϓϧϦΫΤετΛૹΔ

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  50. OSS׆ಈΛ࢝ΊΔʹ͸
    • Կʹߩݙ͢Δ͔ΛܾΊΔ
    • ݸਓϓϩδΣΫτͱͯ͠
    • ࣗࣾϓϩμΫτΛOSSͱͯ͠
    • ۀ຿Ͱ࢖͏OSSʹରͯ͠
    • ༗໊ͳOSSʹରͯ͠

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  51. ϓϧϦΫΤετ͕
    ૹΕΔΑ͏ʹͳΓ͍ͨʂ

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  52. ॳΊͯͷϓϧϦΫΤετ
    • ·ͣ͸ҰͭͷϓϩδΣΫτ/ػೳ͔Β
    • ϓϩηε/πʔϧͷशख़ʹ͸ίετ͕͔͔Δ
    • ίʔυͷؔ܎ΛಡΈղ͘ͷ͸೉͍͠

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  53. ॳΊͯͷϓϧϦΫΤετ
    • ؆୯ͳ΋ͷ͔Β
    • υΩϡϝϯτͷվగ
    • Τϥʔϝοηʔδͷվળ
    • қ͍͠όάमਖ਼

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  54. ϓϧϦΫΤετͷྲྀΕ
    • ௚͍ͨ͠ issue Λ୳͢
    • issueʹͳ͍৔߹ɺ·ͣissueΛॻ͍ͨํ͕ྑ͍
    • ίʔυΛमਖ਼͢Δ
    • ϓϧϦΫΤετΛૹΔ

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  55. ϓϧϦΫΤετର৅ͷ୳͠ํ
    • େ͖ΊͷϓϩμΫτͷ৔߹ɺλάͰ੔ཧ͞Ε͍ͯ
    Δ
    • ෼໺΍೉қ౓Ͱର৅Λ୳͢
    • ଞͷϢʔβ͕ணख͍ͯ͠Δ৔߹͸ආ͚ͨํ͕ྑ͍

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  56. ϓϧϦΫΤετͷૹΓํ
    • ࠷௿ݶͷϧʔϧΛकΔ
    • ໌ࣔ͞Ε͍ͯΔ΋ͷ͚ͩͰྑ͍
    • ςετΛ௥Ճ͢Δ
    • ίʔσΟϯάن໿ΛकΔ
    • …

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  57. ϓϧϦΫΤετΛૹͬͨޙ
    • ։ൃऀ΍ଞϢʔβʹΑΔϨϏϡʔ
    • (ϓϩδΣΫτʹΑΓ)υΩϡϝϯτɺϦϦʔεϊʔτͷ੔උ
    • Ϛʔδ

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  58. ϋʔυϧʹײ͡ΔཁҼ
    • ӳޠ
    • ίϛϡχςΟϩʔΧϧϧʔϧ
    • Gitͷ࢖͍ํ
    • ٕज़ྗ
    • Կ͔໰୊͕͋Ε͹ڭ͑ͯ͘ΕΔͷͰɺա౓ʹؾΛ࢖͏ඞཁ͸ͳ͍

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  59. ϓϧϦΫΤετʹ͸
    ͲΜͳ΋ͷ͕͋Δʁ

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  60. ϓϧϦΫΤετͷछྨ
    • υΩϡϝϯτमਖ਼
    • ෆ۩߹मਖ਼
    • ػೳ௥ՃɺAPIมߋ
    • ϦϑΝΫλϦϯά
    • ςετ௥Ճ
    • …

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  61. ϓϧϦΫΤετࣄྫ (1/3)
    υΩϡϝϯτमਖ਼
    • मਖ਼಺༰Λ؆ܿʹهࡌ
    https://github.com/pandas-dev/pandas/pull/13312
    ͜ͷυΩϡϝϯτɺͳΜ͔յΕͯΔͬΆ͍

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  62. ϓϧϦΫΤετࣄྫ (1/3)
    υΩϡϝϯτमਖ਼
    ۭനߦΛೖΕ͚ͨͩ

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  63. • ෳࡶͳมߋͷ৔߹͸मਖ਼લޙͷڍಈΛ੔ཧ͢
    Δ
    ࠓͷڍಈ͸ʜ͕ͩ
    मਖ਼ޙͷڍಈ͸ʜʹͳΔɻ
    ͜Ε͸ʜͱ͍͏ϧʔϧʹج͍͍ͮͯͯʜ
    https://github.com/pandas-dev/pandas/pull/13849
    ϓϧϦΫΤετࣄྫ (2/3)
    ࢓༷มߋ

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  64. • ϨϏϡʔࢦఠΛड͚ͭͭɺ࢓༷ΛݻΊΔ
    999ͷ࣌ʹΤϥʔग़ͨ͠ํ͕Α͘ͳ͍ʁ
    ͦ͏ͳΜ͚ͩͲɺ999Λېࢭ͢Δͱผͷػೳ͕ಈ͔ͳ͘ͳΔ
    ͡Ό͋࢓ํͳ͍ͶɻଞͷΈΜͳ͸Ͳ͏ࢥ͏ʁ
    Ҏ߱ٞ࿦

    ϓϧϦΫΤετࣄྫ (2/3)
    ࢓༷มߋ

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  65. • ϦϦʔεϊʔτ΍υΩϡϝϯτΛमਖ਼͢Δ
    ϓϧϦΫΤετࣄྫ (2/3)
    ࢓༷มߋ

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  66. ϓϧϦΫΤετࣄྫ (3/3)
    όάमਖ਼
    • ҙਤ͕఻ΘΒͳ͚Ε͹ίʔυΛࣔ͢
    https://github.com/pandas-dev/pandas/pull/13312
    ͍΍ɺผͷͱ͜௚ͨ͠ํ͕͍͍Μ͡Όͳ͍ʁ
    ӳޠ͕͓͔͍͔͠΋ʜɻ
    मਖ਼ՕॴΛϓϧϦΫͰૹͬͨͷͰ֬ೝͯ͠
    ࠓͷڍಈ͸ʜͰ
    मਖ਼ޙͷڍಈ͸ʜʹͳΔɻ
    ͨͿΜʜͷॲཧΛमਖ਼͢Ε͹͍͍

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  67. ϓϧϦΫΤετࣄྫ (3/3)
    όάमਖ਼
    • (Өڹൣғ͕େ͖͍৔߹)ͻͨ͢ΒςετΛ଍͢
    ҟͳΔΫϥε͕ಉ͡ڍಈʹͳ
    Δ͔νΣοΫ

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  68. ϓϧϦΫΤετࣄྫ (3/3)
    όάमਖ਼
    • (Өڹൣғ͕େ͖͍৔߹)ͻͨ͢ΒςετΛ଍͢
    ܕͷ૊Έ߹ΘͤΛ໢ཏతʹ
    νΣοΫ
    ͦΕͧΕͷܕͷ૊Έ߹Θ͕ͤ
    /VN1Zͱಉ͡ڍಈʹͳΔ͔
    νΣοΫ

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  69. ؾΛ͚͍ͭͯΔ͜ͱ
    • ίϛϡχέʔγϣϯ
    • ӳޠ͸௨͡ͳ͍͔΋͠Εͳ͍͕ɺίʔυͳΒ఻ΘΔ
    • ίʔυमਖ਼
    • ہॴతͳमਖ਼Λආ͚Δ
    • ςετΛͪΌΜͱॻ͘
    • ࣗ෼Ҏ֎͕ͦͷίʔυΛ৮ͬͨࡍ΋όάͷຒΊࠐΈΛ༧๷Ͱ͖Δ͔ʁ
    • υΩϡϝϯτ΋Ͱ͖Δ͚ͩॻ͘
    • (࢓༷͕͔ͬ͠Γ఻ΘΕ͹)୭͔௚ͯ͘͠ΕΔ

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  70. ΍ͬͺΓͪΐͬͱ
    େมͦ͏…ʁ

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  71. ࠓ೔͔ΒͰ͖Δ͜ͱ
    • ؾʹͳΔϓϩδΣΫτΛWatchͯ͠ΈΔ
    • ίϛϡχςΟͷงғؾ͕Θ͔Δ
    • ໘നͦ͏ͳ Issue / ϓϧϦΫΤετ͕͋Δ͔΋ʁ

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  72. ·ͱΊ

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  73. ·ͱΊ
    • PythonͱՊֶܭࢉ
    • pandasͰͷOSS׆ಈࣄྫ
    • OSS׆ಈ ࠷ॳͷҰา
    • PythonՊֶܭࢉίϛϡχςΟʹࢀՃͯ͠ΈΑ͏
    • ؾʹͳΔϓϩδΣΫτΛWatchͯ͠ΈΑ͏

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