$30 off During Our Annual Pro Sale. View Details »

Rで有名絵画を安全に買いたい

saltcooky
September 16, 2022

 Rで有名絵画を安全に買いたい

TokyoR #101 LT

saltcooky

September 16, 2022
Tweet

More Decks by saltcooky

Other Decks in Science

Transcript

  1. 3Ͱ༗໊ֆըΛ҆શʹങ͍͍ͨ
    !TBMUDPPLZ
    5PLZP3
    1

    View Slide

  2. ୭ʁ 2
    !TBMUDPPLZ
    • 3ྺɿ೥͙Β͍͔ͳ
    • ۈઌɿ࿡ຊ໦ʹ͋Δ*5ܥͷձࣾ
    • ࢓ࣄ಺༰ɿ3%తͳ෦ॺͰ

    ɹɹɹ3Λ࢖ͬͨσʔλ෼ੳ԰͞Μ

    ػցֶशͷॲཧ࡞੒
    • झຯɿ෰ϑΝογϣϯඒज़ؗ८Γ

    View Slide

  3. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 3
    +BDLTPO1PMMPL




    ந৅දݱओٛͷ୅දతͳΞϝϦΧਓըՈ

    View Slide

  4. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 4
    υϩοϓϖΠϯςΟϯά

    View Slide

  5. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 5
    ʰ/P ʱ
    ºNN

    View Slide

  6. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 6
    ʰ/P ʱ
    ºNN
    ೥݄
    ݱ୅ඒज़඼࠷ߴֹ ౰࣌

    ԯສυϧ

    View Slide

  7. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 7
    ཉ͍͠ʂ

    View Slide

  8. δϟΫιϯϙϩοΫΛ஌͍ͬͯ·͔͢ 8
    ͚Ͳɺِ෺΋ଟͦ͏ʜ

    View Slide

  9. ϙϩοΫͷֆըΛղੳͨ͠ݚڀ 9
    • Fractal analysis of Pollock’s drip paintings.

    (R.P.Taylor, et al , 1999)

    • On multifractal structure in non-representational art.
    (J.R.Nureika, et al , 2005)

    ˠϙϩοΫͷυϩοϓϖΠϯςΟϯάʹ

    ϑϥΫλϧߏ଄͕͋Δ͜ͱ͕Θ͔Δ

    View Slide

  10. ϑϥΫλϧߏ଄ 10
    ਤܗͷҰ෦Λ֦େ͢Δͱɺશମͱ૬ࣅ͢Δܗ ࣗݾ૬ࣅੑ
    ͕ଘࡏ͢Δߏ଄
    FYγΣϧϐϯεΩʔͷΪϟεέοτ

    View Slide

  11. ϑϥΫλϧ࣍ݩ ༰ྔ࣍ݩϋυϧϑ࣍ݩ
    11
    w ͲΕ͚ͩࣗݾ૬ࣅੑ͕͋Δ͔Λࣔ͢ྔ
    w ֤ۭؒํ޲ʹ-ʹॖΊΔͱɺ΋ͱͷਤܗΛຒΊΔʹ͸/-%ݸ
    ͷࣗݾ૬ࣅਤܗ͕ඞཁͱ͍͏͜ͱΛදݱ

    w ʙͷؒΛͱΓɺʹ͍ۙ΄Ͳࣗݾ૬ؔੑ͕ڧ͍
    w γΣϧϐϯεΩʔͷΪϟεέοτͷ࣍ݩ਺͸
    w ղੳతʹ͸#PY$PVOUJOHΞϧΰϦζϜʹΑΓਪఆ

    View Slide

  12. #PY$PVOUJOHΞϧΰϦζϜ 12
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ̍ର৅ը૾ΛҰลͷ௕͕͞-ͷϒϩοΫʹ෼͚Δ

    View Slide

  13. #PY$PVOUJOHΞϧΰϦζϜ 13
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ̍ର৅ը૾ΛҰลͷ௕͕͞-ͷϒϩοΫʹ෼͚Δ

    View Slide

  14. #PY$PVOUJOHΞϧΰϦζϜ 14
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ̎ର৅͕өΓࠐΜͰ͍ΔϒϩοΫͷ਺/ -
    Λ਺͑Δ

    View Slide

  15. #PY$PVOUJOHΞϧΰϦζϜ 15
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ϒϩοΫେ͖͞-Λখͯ͘͞͠ର৅ը૾Λ෼͚Δ

    View Slide

  16. #PY$PVOUJOHΞϧΰϦζϜ 16
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ର৅͕өΓࠐΜͰ͍ΔϒϩοΫͷ਺/ -
    Λ਺͑Δ

    View Slide

  17. #PY$PVOUJOHΞϧΰϦζϜ 17
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    େ͖͞-Λখ͘͞͠ͳ͕Βର৅͕өΔϒϩοΫΛΧ΢ϯτ͢Δ

    ɹ͜ͱΛ܁Γฦ͢

    View Slide

  18. #PY$PVOUJOHΞϧΰϦζϜ 18
    ϑϥΫλϧ࣍ݩΛٻΊΔྲྀΕ
    ϒϩοΫͷେ͖͞-ͱΧ΢ϯτ਺/ -
    ͷ྆ର਺άϥϑʹ͓͚Δ

    ɹճؼ௚ઢͷ܏͖͕ϑϥΫλϧ࣍ݩʹͳΔ
    log N(L) = D log(L) + K ʢ,ఆ਺ʣ
    MPH/ -

    MPH-
    ޯ഑%ʹ
    ϑϥΫλϧ࣍ݩ

    View Slide

  19. 19
    w ͳͥ͜ΕͰϑϥΫλϧ࣍ݩΛਪఆ͢Δ͜ͱ͕Ͱ͖Δͷ͔

    ఆ͔ٛΒͷมܗ
    log N(L) = log(
    a
    L
    )D
    log N(L) = D log(L) + D log(a)
    #PY$PVOUJOHΞϧΰϦζϜ
    ʢBɿਖ਼ͷఆ਺ʣ

    View Slide

  20. 20
    δϟΫιϯϙϩοΫͷ࡞඼ͷ৔߹
    w -DNͰϑϥΫλϧ࣍ݩ͕มԽ
    w %% -Ҏ্
    %- -ະຬ

    ʰ#MVF1PMFT/VNCFS ʱ
    MPH -
    NN
    MPH /

    #PY$PVOUJOHΞϧΰϦζϜ

    View Slide

  21. ϙϩοΫͷֆըͷಛ௃ 21
    ʢ̍ʣ̎छͷϑϥΫλϧύλʔϯ͔Β੒Δ
    ʢ̎ʣ༷ʑͳεέʔϧʹ͓͍ͯϑϥΫλϧੑ͕ଘࡏ
    ʢ̏ʣϑϥΫλϧ࣍ݩ͸ର਺άϥϑͷޯ഑͔ΒٻΊΕΔ
    ʢ̐ʣ%-ʼ%%
    ʢ̑ʣۙࣅۂઢͷඪ४ภ͕ࠩখ͍͞ d

    ʢ̒ʣ֤৭ͷ૚Ͱ্هͷ̑ͭͷಛ௃Λຬͨ͢

    View Slide

  22. 3Ͱ#PY$PVOUJOH 22
    7PY31BDLBHF

    View Slide

  23. 3Ͱ#PY$PVOUJOH 23
    γΣϧϐϯεΩʔͷΪϟεέοτͷϑϥΫλϧ࣍ݩΛٻΊΔ
    ը૾ॲཧ

    View Slide

  24. 3Ͱ#PY$PVOUJOH 24
    γΣϧϐϯεΩʔͷΪϟεέοτͷϑϥΫλϧ࣍ݩΛٻΊΔ
    ϑϥΫλϧ࣍ݩΛٻΊΔ

    View Slide

  25. 3Ͱ#PY$PVOUJOH 25
    γΣϧϐϯεΩʔͷΪϟεέοτͷϑϥΫλϧ࣍ݩΛٻΊΔ
    ྆ର਺άϥϑͱճؼ௚ઢͷՄࢹԽ
    0
    2
    4
    6
    8
    -7 -6 -5 -4 -3 -2
    log(1/res)
    log(N)
    Box Counting method : D=1.5747

    View Slide

  26. ؆୯ʹ·ͱΊ 26
    w δϟΫιϯϙϩοΫͷֆըʹ͸ϑϥΫλϧߏ଄͕ଘࡏ͢Δ

    w ϑϥΫλϧߏ଄ͷϑϥΫλϧ࣍ݩΛղੳతʹٻΊΔͨΊʹ
    ͸ɺ#PY$PVOUJOHΞϧΰϦζϜΛ༻͍Δ

    w 3Ͱ͸7PY3QBDLBHFͷCPY@DPVOUJOHؔ਺Ͱ࣮ߦͰ͖Δ

    View Slide

  27. &/% 27
    &OKPZ

    View Slide

  28. ࢀߟࢿྉ 28
    •RʹΑΔը૾ॲཧɿimagerύοέʔδͷ࢖͍ํ

    https://htsuda.net/archives/1985

    •ϘοΫεΧ΢ϯτ๏ʹΑΔඐഀބͷϑϥΫλϧ࣍ݩ

    https://shiga-u.repo.nii.ac.jp/?action=repository_uri&item_id=1751

    View Slide