Wantedly 新人研修「BigQuery データ分析ノック」を実施した話 / wantedly-newcomer-training-bigquery-training

Wantedly 新人研修「BigQuery データ分析ノック」を実施した話 / wantedly-newcomer-training-bigquery-training

2019/5/17 の エンジニアの新人研修Night(https://connpass.com/event/122422/) での発表内容です。

Wantedly における新人研修の紹介です。
その中でも私が担当した「BigQuery データ分析ノック」という研修についての紹介を行っています。

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Yuya Matsumura

May 17, 2019
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  1. ©2019 Wantedly, Inc. Wantedly ৽ਓݚम ʮBigQuery σʔλ෼ੳϊοΫʯΛ࣮ࢪͨ͠࿩ ΤϯδχΞͷ৽ਓݚमNight 17.May 2019

    - Yuya Matsumura @yu-ya4
  2. ©2019 Wantedly, Inc. ✓ Yuya Matsumura ✓ Software Engineer ✓

    Wantedly, Inc. Recommendation Team (since April 2018) ✓ Interested in Information Retrieval, Machine Learning Self-Introduction @yu-ya4 @yu__ya4
  3. ©2019 Wantedly, Inc. 8BOUFEMZʹ͓͚Δ৽ਓݚमͷ֓ཁ঺հ ৽ਓݚमʮ#JH2VFSZ෼ੳϊοΫʯͷ঺հ Agenda

  4. ©2019 Wantedly, Inc. 8BOUFEMZʹ͓͚Δ৽ਓݚमͷ֓ཁ঺հ ৽ਓݚमʮ#JH2VFSZ෼ੳϊοΫʯͷ঺հ Agenda

  5. ©2019 Wantedly, Inc. ʮWantedly ݻ༗ͷ஌ࣝʢ૊৫ɾϓϩμΫτɾจԽͷ஌ࣝʣʯ΍ʮීวతͳ஌ࣝʢΤ ϯδχΞϦϯάͳͲͷઐ໳஌ࣝɺϏδωεϚφʔ΍๏཯ͷ஌ࣝʣʯΛ਎ʹ͚ͭɺ ৽ਓΤϯδχΞ͕Wantedly ͕ظ଴͢ΔΤϯδχΞ૾ʹۙͮͨ͘Ίͷֶͼͷ৔ Wantedly ʹ͓͚Δ৽ਓݚम

    ৽ਓΤϯδχΞ Wantedly ͕ظ଴͢Δ ΤϯδχΞ૾ ৽ਓݚम https://speakerdeck.com/south37/xin-zu-yan-xiu-dexing-u-isucon-falsemei-li?slide=9
  6. ©2019 Wantedly, Inc. Wantedly ͕ظ଴͢ΔΤϯδχΞ૾ ϓϩμΫτͰՁ஋Λಧ͚ΔͨΊʹɺٕज़Λ࢖͏ ඞཁͰ͋Ε͹͋ΒΏΔٕज़ʹ௅ઓ͢Δ https://speakerdeck.com/south37/xin-zu-yan-xiu-dexing-u-isucon-falsemei-li?slide=10

  7. ©2019 Wantedly, Inc. Wantedly ʹ͓͚Δ৽ਓݚम͕ఏڙ͢Δ΋ͷ ϓϩμΫτͰՁ஋Λಧ͚ΔͨΊʹɺٕज़Λ࢖͏ ⾣ϓϩμΫτʹՁ஋Λ༩͑Δٕज़ΛֶͿػձ ඞཁͰ͋Ε͹͋ΒΏΔٕज़ʹ௅ઓ͢Δ ⾣ٕज़తʹ޿͍ྖҬʹ৮ΕΔܦݧ https://speakerdeck.com/south37/xin-zu-yan-xiu-dexing-u-isucon-falsemei-li?slide=10

  8. ©2019 Wantedly, Inc. Wantedly ʹ͓͚Δ৽ਓݚमͷྫʢ̍ʣ https://speakerdeck.com/tan_z_tan/how-to-get-involved-with- machine-learning-at-wantedly

  9. ©2019 Wantedly, Inc. Wantedly ʹ͓͚Δ৽ਓݚमͷྫʢ̎ʣ https://speakerdeck.com/south37/new-grad-isucon-for-learning

  10. ©2019 Wantedly, Inc. Wantedly ʹ͓͚Δ৽ਓݚमͷྫʢ̏ʣ https://speakerdeck.com/kawasy/managing-your-leader

  11. ©2019 Wantedly, Inc. ଞʹ΋͍Ζ͍Ζ Wantedly ʹ͓͚Δ৽ਓݚमͷྫ https://wantedlyinc.com/ja/presentations

  12. ©2019 Wantedly, Inc. 8BOUFEMZʹ͓͚Δ৽ਓݚमͷ֓ཁ঺հ ৽ਓݚमʮ#JH2VFSZ෼ੳϊοΫʯͷ঺հ Agenda

  13. ©2019 Wantedly, Inc. BigQuery σʔλ෼ੳϊοΫ ୲౰ͨ͠ݚम

  14. ©2019 Wantedly, Inc. ʮBigQuery Λ༻͍ͯ Wantedly ͷαʔϏεʹ͍ͭͯͷ ඞཁͳ৘ใΛద੾ʹऔಘͰ͖ΔΑ͏ʹͳΔʯ ͜ͷݚमͷ໨త

  15. ©2019 Wantedly, Inc. Why Wantedly Ͱ͸ΞϓϦέʔγϣϯΤϯδχΞ͕ࣗ෼ࣗ਎Ͱσʔλ ෼ੳΛߦͬͯ՝୊Λ೺Ѳͯ͠ࢪࡦΛ࣮ࢪ͠ɼͦͷ݁ՌͷධՁ·Ͱ Λߦ͍ͬͯΔ ࣗ཯తʹಈ͍ͯαʔϏεվળΛਐΊΒΕΔମ੍ εϐʔυײɼαʔϏεѪ…

  16. ©2019 Wantedly, Inc. ✓ ໰͍΍ԾઆΛཱͯΔ ✓ ݕূํ๏Λߟ͑Δ ✓ ࣮૷͢Δ ✓

    ϩάΛऔΔ ✓ ूܭ͢Δ ✓ ධՁ͢Δ https://speakerdeck.com/ngtk/lets-be-able-to-propose-measures-for-product-growth + ͋Δఔ౓ج൫͸੔͍ͬͯΔͷͰ͋·Γߟ͑Δ͜ͱ͸ͳ͍ ࢪࡦ࣮ࢪͷྲྀΕ ίί internal only ͜ͷݚमͷҐஔ͚ͮ
  17. ©2019 Wantedly, Inc. ͜ͷݚमͷҐஔ͚ͮ ✓ SQL ͷ஌ࣝ • ͜Ε͕ͳ͍ͱ࢝·Βͳ͍ɻࢥͬͨ௨ΓͷσʔλΛਖ਼͘͠औಘͰ͖ΔΑ͏ʹʂ ✓

    υϝΠϯ஌ࣝ • ݻ༗ͷσʔλߏ଄ͳͲʢͲ͜ͷςʔϒϧʹͲͷσʔλ͕͋Δͷ͔ʣ • ൺֱతҰൠతͳ΋ͷʢbot ͔ΒͷΞΫηε΍ࣗࣾͷࣾһͷσʔλʹؾΛ͚ͭΑ͏ʣ ✓ ౷ܭͳͲͷ஌ࣝ • ਖ਼͘͠਺ࣈΛूܭ͠Α͏ • ਖ਼͘͠ࢪࡦͷ݁ՌΛධՁ͠Α͏ ✓ όΠΞεʹؔ͢Δ஌ࣝ • ֬ূόΠΞεͳͲʹؾΛ͚ͭΑ͏ σʔλΛਖ਼͘͠ूܭɾධՁ͢ΔͨΊʹඞཁͳ஌ࣝ
  18. ©2019 Wantedly, Inc. ͜ͷݚमͷҐஔ͚ͮ ✓ SQL ͷ஌ࣝ • ͜Ε͕ͳ͍ͱ࢝·Βͳ͍ɻࢥͬͨ௨ΓͷσʔλΛਖ਼͘͠औಘͰ͖ΔΑ͏ʹʂ ✓

    υϝΠϯ஌ࣝ • ݻ༗ͷσʔλߏ଄ͳͲʢͲ͜ͷςʔϒϧʹͲͷσʔλ͕͋Δͷ͔ʣ • ൺֱతҰൠతͳ΋ͷʢbot ͔ΒͷΞΫηε΍ࣗࣾͷࣾһͷσʔλʹؾΛ͚ͭΑ͏ʣ ✓ ౷ܭͳͲͷ஌ࣝ • ਖ਼͘͠਺ࣈΛूܭ͠Α͏ • ਖ਼͘͠ࢪࡦͷ݁ՌΛධՁ͠Α͏ ✓ όΠΞεʹؔ͢Δ஌ࣝ • ֬ূόΠΞεͳͲʹؾΛ͚ͭΑ͏ σʔλΛਖ਼͘͠ूܭɾධՁ͢ΔͨΊʹඞཁͳ஌ࣝ ίί
  19. ©2019 Wantedly, Inc. 1. BigQuery ͷجຊతͳ஌ࣝ • جຊతͳ SQL ͷ஌ࣝ͸͋Δલఏ

    • BigQuery ͳΒͰ͸ͷಛ௃Λ཈͑Δʢྻࢦ޲ɼARRAY ͷѻ͍ɼWindow ؔ਺…ʣ 2. Wantedly ͷαʔϏεʹ͍ͭͯͷσʔλͷυϝΠϯ஌ࣝ • Ұൠతͳͱ͜ΖʢBotɼRPAɼࣗࣾࣾһͷߦಈ …ʣ͸ผͷߨٛʢʰσʔλΛਖ਼͘͠ݟΔͨΊʹʱʣͰ • ςʔϒϧϨϕϧͷ஌ࣝʢʮ࿩Λฉ͖ʹߦ͖͍ͨʯͷσʔλͱ͸ʁɼεΧ΢τػೳͷݕࡧϩά͸Ͳ͜ʹ͋Δʁʣ 3. σʔλΛ෼ੳ͢Δࡍͷࢦඪʹ͍ͭͯͷ஌ࣝ • ҰൠతͳࢦඪʢMAUɼARPUɼRetentionɼPVɼImpression…ʣ • υϝΠϯґଘͳࢦඪʢVisit ͷCVR ͱ͸ʁɼ༗ྉاۀͷܧଓ཰ͱ͸ʁʣ ͜ͷݚमΛ௨ͯ͠ಘͯ΄͍͠΋ͷ
  20. ©2019 Wantedly, Inc. ࣮ࡍతͳ໰୊Λղ͍ͯ਎ʹ͚ͭΑ͏ How …΍Βͳ͖Ό਎ʹ͔ͭͳ͍ʂ

  21. ©2019 Wantedly, Inc. ✓ 2019೥4݄1೔ʹ͓͚Δ PC͔ΒืूҰཡ΁ͷϦΫΤετ਺ʢPVʣ ✓ 2019೥4݄1೔͔Β4݄7೔·Ͱͷ1िؒͷΞΫςΟϒͳϩάΠϯϢʔβ਺ʢWAUʣ ✓ εΧ΢τػೳʹ͓͚ΔΩʔݕࡧʹ༻͍ΒΕͨΩʔϫʔυ͝ͱͷݕࡧճ਺

    ✓ 2019೥4݄1೔ʹ1෼ؒ͋ͨΓ100ճҎ্ΞΫηε͖͍ͯͯ͠ΔIPΞυϨε ✓ 2018 ೥ͷ೔ຊࠃ಺ʹ͓͚Δ ARPU ਪҠ What …ଞʹ΋੝Γͩ͘͞Μʂ
  22. ©2019 Wantedly, Inc. ѹ౗త੒௕ Results …ݚमΛड͚ͨ৽ਓΤϯδχΞ΋ɼݚमΛ࣮ࢪͨ͠ࢲࣗ਎΋ʂ

  23. ©2019 Wantedly, Inc. Summary 㾎 8BOUFEMZʹ͓͚Δ৽ਓݚम w ৽ਓΤϯδχΞ͕8BOUFEMZ͕ظ଴͢ΔΤϯδχΞ૾ʹۙͮͨ͘Ίͷֶͼͷ৔ 㾎 8BOUFEMZʹ͓͚Δ৽ਓݚम͕ఏڙ͢Δ΋ͷ

    w ϓϩμΫτʹՁ஋Λ༩͑Δٕज़ΛֶͿػձ w ٕज़తʹ޿͍ྖҬʹ৮ΕΔܦݧ 㾎 ʮ#JH2VFSZσʔλ෼ੳϊοΫʯͷ࣮ࢪ w #JH2VFSZͷجຊతͳ஌ࣝ w 8BOUFEMZͷαʔϏεʹ͍ͭͯͷσʔλͷυϝΠϯ஌ࣝ w σʔλΛ෼ੳ͢Δࡍͷࢦඪʹ͍ͭͯͷ஌ࣝ