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探索的データ分析のためのチャートの選び方

Kan Nishida
September 04, 2019

 探索的データ分析のためのチャートの選び方

探索的データ分析の簡単な紹介と、その時に役立つチャートの選び方と使い方の話をデモを交えて行います。ヒストグラム、密度曲線、箱ひげ図、散布図、積み上げバーチャート、などの使い方を紹介します。

Kan Nishida

September 04, 2019
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  1. 3 εϐʔΧʔ ੢ా צҰ࿠ CEO EXPLORATORY ུྺ 2016೥ɺσʔλαΠΤϯεͷຽओԽͷͨΊɺExploratory, Inc Λ

    ্ཱͪ͛Δɻ Exploratory, Inc.ͰCEOΛ຿ΊΔ͔ͨΘΒɺσʔλαΠΤϯεɾ ϒʔτΩϟϯϓɾτϨʔχϯάͳͲΛ௨ͯ͠γϦίϯόϨʔͰ ߦΘΕ͍ͯΔ࠷ઌ୺ͷσʔλαΠΤϯεͷීٴͱڭҭʹऔΓ૊ Ήɻ ถΦϥΫϧຊࣾͰɺ16೥ʹΘͨΓσʔλαΠΤϯεͷ։ൃνʔ ϜΛ཰͍ɺػցֶशɺϏοάɾσʔλɺϏδωεɾΠϯςϦδΣ ϯεɺσʔλϕʔεʹؔ͢Δ਺ଟ͘ͷ੡඼ΛੈʹૹΓग़ͨ͠ɻ @KanAugust
  2. ୈ1ͷ೾ ୈ̎ͷ೾ ୈ̏ͷ೾ ϓϥΠϕʔτ(ߴ͍/ݹ͍) Φʔϓϯɾιʔε(ແྉ/࠷ઌ୺) UI & ϓϩάϥϛϯά ϓϩάϥϛϯά 2016

    2000 1976 ϚωλΠθʔγϣϯ ίϞσΟςΟԽ ຽओԽ ౷ܭֶऀ σʔλαΠΤϯςΟετ Exploratory ΞϧΰϦζϜ Ϣʔβʔɾ ମݧ πʔϧ Φʔϓϯɾιʔε(ແྉ/࠷ઌ୺) UI & ࣗಈԽ ϏδωεɾϢʔβʔ ςʔϚ σʔλαΠΤϯεͷຽओԽ
  3. 20 ༧ଌ ίϯτϩʔϧ • ࣍ͷ3ϲ݄ͷؒɺԿਓ͘Β ͍ͷ٬͕དྷΔͷ͔ʁ • ؾԹ͕ஆ͔͚Ε͹ɺ٬͕૿ ͑ΔͰ͋Ζ͏ɻ •

    ٬ͷ਺Λ૿΍͢ʹ͸Կ͕ Ͱ͖Δ͔ʁ • 10ˋͷׂҾΛ͢Ε͹ɺ٬ ͕૿͑ΔͰ͋Ζ͏ɻ
  4. 21 ༧ଌ ίϯτϩʔϧ • ࣍ͷ3ϲ݄ͷؒɺԿਓ͘Β ͍ͷ٬͕དྷΔͷ͔ʁ • ؾԹ͕ஆ͔͚Ε͹ɺ٬͕૿ ͑ΔͰ͋Ζ͏ɻ •

    ٬ͷ਺Λ૿΍͢ʹ͸Կ͕ Ͱ͖Δ͔ʁ • 10ˋͷׂҾΛ͢Ε͹ɺ٬ ͕૿͑ΔͰ͋Ζ͏ɻ Ծઆ
  5. “Since the aim of exploratory data analysis is to learn

    what seems to be, it should be no surprise that pictures play a vital role in doing it well. There is nothing better for making you think of questions you had forgotten to ask (even mentally),” John Tukey
  6. 42

  7. ਺஋ 0 10 20 30 40 50 11 22 45

    54 ࿈ଓੑ͕͋Δ ॱংؔ܎͕͋Δ
  8. 77

  9. 93

  10. 121 • ΧςΰϦʔ vs. ਺஋ • ਺஋ vs. ਺஋ •

    ΧςΰϦʔ vs. ΧςΰϦʔ σʔλͷλΠϓͷ૊Έ߹Θͤ
  11. 122 • ΧςΰϦʔ vs. ਺஋ • ਺஋ vs. ਺஋ •

    ΧςΰϦʔ vs. ΧςΰϦʔ σʔλͷλΠϓͷ૊Έ߹Θͤ
  12. 143

  13. 144 • ΧςΰϦʔ vs. ਺஋ • ਺஋ vs. ਺஋ •

    ΧςΰϦʔ vs. ΧςΰϦʔ σʔλͷλΠϓͷ૊Έ߹Θͤ
  14. 160 • ΧςΰϦʔ vs. ਺஋ • ਺஋ vs. ਺஋ •

    ΧςΰϦʔ vs. ΧςΰϦʔ σʔλͷλΠϓͷ૊Έ߹Θͤ