BegiLab #27 ベイズ勉強会(56) FactorAnalysis

Transcript

1. GBDUPSBOBMZTJTҼࢠ෼ੳ
   

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2. ͭ໨͸Ҽࢠ෼ੳ
   Ͱ͢ɻ
   ਖ਼ن෼෍ͷଟ࣍ݩͷ৔߹͸
   ύϥϝʔλ͕͘͢͝େ͖͘ͳ
   ΔͷͰɺ͍͔ʹখ͘͢͞Δ
   ͔
   

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3. ର֯੒෼͔͠࢖͍ͬͯͳ͔ͬͨ
   ڞ෼ࢄΛ࢖͍ͬͯͳ͔ͬͨ
   'VMMDPWBSJBODF
   ڞ෼ࢄΛ࢖͏ͱੑೳ͸վળ͞Εͦ͏͕ͩ
   ύϥϝʔλ͕͘͢͝େ͖͘ͳΔ
   ˠ෦෼ۭؒΛ࢖͏
   ෦෼ۭؒΛ࢖ͬͯڞ෼ࢄߦྻΛ
   ϞσϧԽ͍ͯ͠Δ
   Єʹର֯ߦྻʢର֯੒෼͔࣋ͨ͠ͳ͍ߦྻʣ
   Їʹ෦෼ۭؒ
   

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4. ෦෼ۭؒ
   ̎࣍ݩ͕͋ͬͨΒݪ఺Λ௨Δ௚ઢ
   ͜Ε͸̍࣍ݩͷ෦෼ۭؒͱݴ͍·͢ ̏࣍ݩͷ৔߹͸̎࣍ݩͷ෦෼ۭؒ΋
   ̍࣍ݩͷ෦෼ۭؒ΋͋Γ·͢
   ̎࣍ݩͷ෦෼ۭؒ͸̎ͭͷϕΫτϧͰද͞
   ΕΔ
   ฏ໘͕࡞ΕΔΑ͏ͳ̎ͭͷϕΫτϧ
   ʮЇͱЇ͸ೋ࣍ݩͷجఈʹͳ͍ͬͯΔʯ
   EBJ
   
   

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5. ෦෼ۭؒΛ࢖ͬͯڞ෼ࢄߦྻΛ
   ϞσϧԽ͍ͯ͠Δ
   ̏࣍ݩͷ෦෼̎ݸͰ̎࣍ݩͷ෦෼ۭؒΛ
   දݱ͠·͢
   ПͱПͷసஔߦྻΛֻ͚Δͱ
   'VMMDPWFSJBODFʹͳΔ
   

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6. ̏࣍ݩͷ৔߹͸̎࣍ݩͷ෦෼ۭؒ͸
   ϕΫτϧ͕̎ͭ͋ΔͷͰ͜ͷΑ͏ʹͳΔ
   ʢલͷϖʔδͷПͱПͷసஔߦྻͷΠϝʔδʣ
   

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7. Ҽࢠ෼ੳ͸͜Ε͚ͩʹ཈͑ΒΕΔ
   දݱೳྗ͕௿͍
   ର֯੒෼͚ͩʹͯ͠΋·ͩදݱྗ͕௿͍
   ύϥϝʔλ͕ଟ͗ͯ͢࢖͍ʹ͍͘
   ͜Ε͸͋ͱͷষͰઆ໌͢Δ
   ͓ͦΒ͘ରশߦྻͳͷͰύϥϝʔλͷ਺͸O$O EBJ͞Μ
   
   

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8. ӅΕม਺
   ඪ४ਖ਼ن෼෍ͷ֦ுܕ
   ʢЖʹ̌ɺ෼ࢄ͕୯Ґߦྻʣ
   ਖ਼ن෼෍ͱਖ਼ن෼෍Λ͔͚ͯ
   ਖ਼ن෼෍ʹͳΔʢৄࡉ͸লུʣ
   

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9. पลΛਖ਼ن෼෍ͱͯ͠ߟ͍͑ͯ͘
   ͦΕΛ͍͔ͭ͘܁Γฦͯ͠
   Ҽࢠ෼ੳͷܗʹ͍ͯ͘͠
   Ұ࣍ݩͰߟ͑Δɻ஋ΛαϯϓϦϯάɻ
   ӅΕม਺IΛܾΊͯ1S I
   ΛٻΊΔ
   Їʢ෦෼ۭؒʣΛٻΊ͍ͯ͘
   

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10. ̏࣍ݩۭؒʹ
    ̎࣍ݩͰ཈͑ࠐ·Εͨ
    ڞ෼ࢄߦྻΛදݱͰ͖Δ
    %JBHPOBMDPWBSJBODFͷͱ͖͸
    ಉ͡ܗͷ΋ͷ͕͍ͭ͘΋ग़དྷΔ
    Ұ࣍ݩͷ෦෼ۭؒதʹϙίϙί
    ϙίͱ࡞ΒΕΔ
    ̷͸ແݶݸ͋Δਖ਼ن෼෍Ͱߟ͑
    ΒΕΔɻ
    ແݶݸͷਖ਼ن෼෍Λ଍͠߹Θͤ
    Δɻ
    ύϥϝʔλ
    ЖɺЇɺЄΛٻΊΔ
    

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11. &TUFQ
    

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12. ࣍ݩ෦෼ۭؒதͷ̎࣍ݩۭؒ
    

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13. ύϥϝʔλʹґଘ͍ͯ͠ͳ͍ͷͰ
    ͜Ε͸࡟আͰ͖Δ
    ύϥϝʔλʹґଘ͍ͯ͠ͳ͍ͷͰ
    ͜Ε͸࡟আͰ͖Δ
    

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14. .4UFQ
    

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15. إը૾ʹ͢Δͱ
    ͜Μͳײ͡ʹͳΔ
    உੑత
    ঁੑత
    স͍إʁ
    ͢·͠إʁ
    

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16. ੜ੒ϞσϧͰ΍͍ͬͯΔͷͰ
    ੜ੒͢Δ͜ͱ͕Ͱ͖Δ
    IʢЏɺXʣΛϥϯμϜͰ߱Δ
    ཚ਺Λ߱Δͱ͍Ζ͍Ζͳύλʔϯ͕
    ੜ੒͞ΕΔ
    

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17. ࣍ճ
    ɾGBDUPSBOBMZTJTҼࢠ෼ੳ
    QPMM࣍ճ։࠵೔ϙνϙν͓ئ͍͠·͢ʙ ౔
    ʙ
    ೔
    ʙ ݄
    ʙ
    

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