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teratail_study

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December 19, 2016

 teratail_study

first step of understanding machine_learning

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tkow

December 19, 2016
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  1. ԿΛษڧ͢Ε͹ྑ͍ͷ͔  ϕΠζͷఆཧ  ઢܗճؼϞσϧ  ֬཰෼෍ ڞ໾ࣄલ෼෍ ࢦ਺෼෍ ΧςΰϦΧϧ෼෍

      χϡʔϥϧωοτ ͜ΕΒΛ͔ͬ͠Γԡ͑͞Δ͚ͩͰݟ௨͕͠ྑ͘ͳΓ·͢ɻ ػցֶशͰ࠷ॳʹԡ͓͑ͯ͘͞΂͖஌ࣝ
  2.  ϕΠζͷఆཧ p(✓| x ) = p( x |✓)p(✓) R

    p( x |✓)p(✓)d✓ ԾఆВ ͋ΔԾఆͷ ݩͰಘΒΕͨ σʔλY ಘΒΕͨσʔλ9͔ΒഎޙͷԾఆВΛ ਪఆ͢Δ جຊతͳ࿮૊Έ
  3. ϦϯΫؔ਺  ઢܗϞσϧ f (x) = w0 + w1 1(x)

    + . . . + wn n(x) f (x) ϦϯΫؔ਺ͱɺઢܗճؼϞσϧΛ૊Έ߹ΘͤΔͱɺϕΠζ ͷఆཧʹ౰ͯ͸Ίͯɺ࠷໬ਪఆ΍."1ਪఆ͕Ͱ͖Δɻ ྫ  ɹϦϯΫؔ਺ʹMPHJUؔ਺Λ౰ͯ͸Ίͯ࠷໬ਪఆΛղ͘ͱϩ δεςΟοΫճؼʹͳΔͳͲ