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%FFQ/FVSBM%FDJTJPO5SFFT ಡΈձ! ༶໌఩

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wஶऀ w:POHYJO:BOH *SFOF(BSDJB.PSJMMP 5JNPUIZ.)PTQFEBMFT w5IF6OJWFSTJUZPG&EJOCVSH wग़య8)* ࿦จ৘ใ

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wܾఆ໦ͱχϡʔϥϧωοτϫʔΫΛ૊Έ߹Θͤͨʂ wܾఆ໦ͷղऍੑɼχϡʔϥϧωοτϫʔΫͷදݱྗʢਫ਼౓ʣͷ͍͍ ͱ͜औΓΛ໨ࢦ͍ͯ͠Δɽ ֓ཁ ͲΜͳ࿦จʁ

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wۙ೥ɼχϡʔϥϧωοτϫʔΫʹΑΔϞσϧͷਫ਼౓͕ߴ͍ͷͰΑ͘ ࢖ΘΕ͍ͯΔ͕ɼग़ྗʹରͯ͠ͷղऍੑ͕๡͍͠ɽ wैདྷ࢖ΘΕ͍ͯͨɼܾఆ໦͸χϡʔϥϧωοτϫʔΫΑΓ΋ਫ਼౓͕ ग़ͤͳ͍͜ͱ΋͋ΔҰํͰɼղऍੑʹ༏Ε͍ͯΔɽ ֓ཁ ݚڀഎܠ

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wطଘͷ//ϥΠϒϥϦʹ਺ߦ௥Ճ͢Δ͚ͩͰɼ࣮૷͕Մೳͳख๏Λఏ Ҋ wֶशํ๏͸શͯٯޡࠩి೾Ͱߦ͏͜ͱ͕ՄೳͰ͋Δɽ wຊख๏Ͱ͸ɼಛʹදܗࣜͷ෼ྨ໰୊ʹ༗ޮͰ͋Δɽ ֓ཁ ߩݙ

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w4PGUCJOOJOHGVODUJPO %PVHIFSUZFUBM ͷςΫχοΫΛར ༻͢Δɽ w࣮਺ͷ࿈ଓ஋ ΛCJOͰ෼͚ΔςΫχοΫɽ wˠඍ෼Մೳͳؔ਺Λ΋͍ͪͯߦ͏ͨΊɼٯޡࠩ఻೻͕ՄೳͰ͋ Δʂʂ x ఏҊख๏ 4PGUCJOOJOHGVODUJPO

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ఏҊख๏ 4PGUCJOOJOHGVODUJPO ͷϕΫτϧͷͳ͔ʹ binningΛߦ͏ ᮢ஋͕ೖ͍ͬͯΔ b Թ౓෇ιϑτϚοΫεؔ਺ ͷ࣌ One-hotϕΫτϧͱಉ౳ʹͳΔ τ → 0

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ఏҊख๏ 4PGUCJOOJOHGVODUJPO Թ౓෇ιϑτϚοΫεؔ਺ ͷ࣌ One-hotϕΫτϧͱಉ౳ʹͳΔ τ → 0

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w#JOOJOHGVODUJPOʹΑͬͯɼ෼͚ΒΕͨಛ௃ྔΛ༻͍ͯɼχϡʔϥϧ ωοτϫʔΫϞσϧͰॱి೾Λߦ͏ɽ w//ͷ࠷ऴग़ྗʹରͯ͠ɼΫϩωοΧʔੵΛߦ͏ʢ༿͕Ͱ͖Δʣ wˠ΄ͱΜͲPOFIPUͱಉ͡ঢ়ଶʹͳΔɽ w༿Λશ݁߹ͨ݁͠Ռ͕ɼ෼ྨͨ݁͠ՌʹͳΔɽ ఏҊख๏ ༧ଌύʔτ

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ఏҊख๏ ༧ଌύʔτ ಛ௃ྔʹରͯ͠ BinningΛߦ͏ Biningͨ͠ಛ௃Λ༻͍ͯ χϡʔϥϧωοτϫʔΫΛߦ͏ ΫϩωοΧʔੵΛͱΓ શ݁߹͢Δ

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w4PGUCJOOJOHGVODUJPOͱ//෦෼͸ඍ෼ՄೳͰ͋Δ͔Βֶश͸ޡࠩ ٯ఻೻Λ༻͍Δ͜ͱ͕Ͱ͖Δʂ ఏҊख๏ ֶश࣌

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wطଘख๏ʢ//Ϟσϧͱܾఆ໦ϞσϧʣͱఏҊख๏Λෳ਺ͷදܗࣜ σʔληοτͰਫ਼౓ͷൺֱΛߦ͏ɽ ࣮ݧ ࣮ݧͰ֬ೝ͢Δ͜ͱ

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࣮ݧ ࣮ݧ݁Ռ

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wطଘख๏ʹ༏ͬͨΓྼ͍ͬͯͨΓɼσʔληοτʹΑͬͯҰ௕Ұ୹Ͱ ͋ͬͨɽ wطଘख๏ͱಉ౳ͷੑೳ͸͍࣋ͬͯΔɽ ࣮ݧ ࣮ݧ݁Ռ

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wఏҊख๏Ͱ͸࢖ΘΕͳ͍ಛ௃͕͋Δ͜ͱ͕֬ೝͰ͖ͨ wˠ༧ଌʹඞཁͳ͍ͱ൑அͰ͖Δ ࣮ݧ ࣮ݧ݁Ռ

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w༿ͷΫϩωοΧʔੵΛ΋ ͱʹͲͷಛ௃ྔ͕࢖ΘΕͯ ͍Δ͔Λநग़͢Δ͜ͱ͕Ͱ ͖Δɽ ࣮ݧ Ϟσϧͷղऍੑ

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wಛ௃ྔ͕૿͑ͨ࣌Ͱ΋ɼ (16ʹΑΔܭࢉޮ཰͸ྑ ͔ͬͨɽ ࣮ݧ ܭࢉޮ཰

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wຊݚڀͰ͸ɼܾఆ໦ͱ//ϞσϧΛ૊Έ߹Θͤͨख๏ΛఏҊͨ͠ɽ wຊख๏Ͱ͸ɼ//Ϟσϧͱಉ౳ͷੑೳΛ࣋ͪɼܾఆ໦Έ͍ͨͳղऍੑ ͷߴ͍Ϟσϧʹͳͬͨɽ ·ͱΊ