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監視のための統計入門 / Introduction to Statistics for Mon...

takasp
August 17, 2023

監視のための統計入門 / Introduction to Statistics for Monitoring

takasp

August 17, 2023
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  1. ਪଌ͢ΔͳɺܭଌͤΑ • Rob PikeࢯͷCϓϩάϥϛϯάʹؔ͢Δ֮͑ॻ͖͕ݩωλ • ϧʔϧ1: ϓϩάϥϜ͕Ͳ͜Ͱ࣌ؒΛফඅ͢Δ͜ͱʹͳΔ͔஌Δ ͜ͱ͸Ͱ͖ͳ͍ɻϘτϧωοΫ͸ڻ͘΂͖ՕॴͰى͜Δ΋ͷͰ ͋Δɻ͕ͨͬͯ͠ɺͲ͕͜ϘτϧωοΫͳͷ͔Λ͸͖ͬΓͤ͞ Δ·Ͱ͸ɺਪଌΛߦͬͨΓɺεϐʔυϋοΫΛͯ͠͸ͳΒͳ͍ɻ

    • ϧʔϧ2: ܭଌ͢΂͠ɻܭଌ͢Δ·Ͱ͸଎౓ͷͨΊͷௐ੔Λͯ͠ ͸ͳΒͳ͍ɻίʔυͷҰ෦͕࢒ΓΛѹ౗͠ͳ͍ͷͰ͋Ε͹ɺͳ ͓͞ΒͰ͋Δɻ 8JLJQFEJBʮ6/*9఩ֶʯIUUQTKBXJLJQFEJBPSHXJLJ6/*9&#&"%"
  2. ύʔηϯλΠϧʢpercentileʣ • ύʔηϯςʔδʢ0 - 100ʣͰσʔληοτ಺ͷ఺Λ 
 දݱ͢Δ • σʔλΛঢॱʹฒͼସ͑ɺখ͍͞ํ͔Βn%ʹҐஔ͢Δ஋ •

    ଟ͘ͷϢʔβʔʹͱͬͯϨΠςϯγ͕Ͳ͏͔ͩͬͨʢେଟ਺ ͷϢʔβʔʹର͢ΔαʔϏε඼࣭ʣͳͲͷ৘ใ͕ಘΒΕΔ • ʢ100 - nʣ%ͷσʔλϙΠϯτΛࣺ͍ͯͯΔͷͰɺ 
 ϨΠςϯγͷ৔߹͸࠷େ஋ΛݟΔͳͲͷผͷ؂ࢹ͕ඞཁ
  3. ·ͱΊ • ฏۉ͸Α͘࢖ΘΕΔؔ਺ɻ 
 தԝ஋΋σʔλʹΑͬͯ͸ศརɻ • पظੑ͸ɺ࣌ܥྻσʔλͷύλʔϯΛݟ͚ͭΔͷʹ 
 ྑ͍ํ๏ɻ •

    ύʔηϯλΠϧ͸σʔλͷ͓͓Α͕ͦ 
 Ͳ͏ͳ͍ͬͯΔ͔ཧղ͢Δͷʹศརɻ 
 ͨͩ͠ɺۃ୺ͳσʔλΛແࢹ͍ͯ͠Δ͜ͱʹ஫ҙɻ
  4. ࢀߟจݙ • “UNIX఩ֶ” . Wikipedia . 2023 . https://ja.wikipedia.org/wiki/ UNIX%E5%93%B2%E5%AD%A6

    , (ࢀর 2023-08-16) • גࣜձࣾࣾձ৘ใαʔϏε . “32-3. ࣌ܥྻσʔλͱҠಈฏۉ” . ౷ܭWEB . 2023 . https://bellcurve.jp/statistics/course/12933.html , (ࢀর 2023-08-16) • Datadog, Inc. . “ҟৗݕ஌Ϟχλʔ” . Datadog Docs . 2023 . https:// docs.datadoghq.com/ja/monitors/types/anomaly/, (ࢀর 2023-08-16) • Mike Julian . ೖ໳ ؂ࢹʕϞμϯͳϞχλϦϯάͷͨΊͷσβΠϯύλʔϯ . גࣜձࣾΦϥΠϦʔɾδϟύϯ , 2019