© 2024 Wantedly, Inc. ͱ͋Δࣄۀձࣾʹͱͬͯͷ Kaggler ͷັྗ Oct. 12 2024 - Shuhei Goda Rist Meetup 2024ʮKaggle͸ۀ຿ͷ໾ʹͨͭʯ

© 2024 Wantedly, Inc. ໊લɿ 
 ߹ా पฏ Shuhei Goda ॴଐͱ໾ׂɿ 
 ΢ΥϯςουϦʔגࣜձࣾ 
 ɾData Team Manager 
 ɾMachine Learning Tech Lead 
 ɾProduct Manager 
 
 Kaggle Tierɿ 
 Kaggle Competitions Grandmaster @jy_msc ࣗݾ঺հ https://www.kaggle.com/shuheigoda

© 2024 Wantedly, Inc. ຊൃදͰ࿩͍ͨ͜͠ͱ ● ࣗࣾͷจ຺ʹج͍ͮͯʮKaggle ͸ۀ຿ͷ໾ʹཱͭʯ͜ͱΛ঺հ 1. Kaggle ͰͲ͏͍͏εΩϧ͕ഓΘΕͯɺͲͷΑ͏ͳܗͰ໾ཱͬ ͍ͯΔͷ͔ 2. Kaggle ͰಘΒΕΔεΩϧΛԿͱֻ͚߹ΘͤΔ͜ͱͰɺ͞Βͳ Δۀ຿੒Ռͷ޲্Λ໨ࢦͤΔ͔ Kaggle ϓϨΠϠʔ݉Ϛωʔδϟʔͱ͍͏ࢹ఺Ͱߟ͍͑ͯͨ͜ͱΛ࿩͢

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 → ػցֶश͕αʔϏεͷίΞͰ͋ΓɺͦͷܧଓతͳڧԽ͕ڝ૪༏ҐΛ΋ͨΒ͢ ػցֶशϞσϧͷੑೳ αʔϏεͷ 
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 ͷ୲౰ൣғ ՝୊ఆٛ ઃܭ ࣮૷ ධՁ ӡ༻ ΫΠοΫͳԾઆݕূͱՁ஋ఏڙͷ࣮ࢪ ʢΞδϟΠϧ։ൃʣ ։ൃϓϩηε ։ൃαΠΫϧ ࣌ؒ …

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 → σʔλ෼ੳίϯϖͰಘͨ஌ݟɺ஌ࣝΛۀ຿ʹ௚઀ద༻͢Δ͜ͱ ۀ຿՝୊ Kaggler ͋ɺ͜ΕKaggleͰ ΍ͬͨͱ͜Ζͩʂ ɾಛఆͷ՝୊ʹର͢Δղܾࡦ ɾର৅λεΫʹ͓͚ΔSoTA ͳͲͳͲ

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© 2024 Wantedly, Inc. ΢ΥϯςουϦʔͷۀ຿ͰͲͷ͙Β͍஌ݟΛ௚઀ద༻Ͱ͖͔ͨ ίϯϖͷ஌ݟΛ࢖͏ػձ͸͋Δ͕ɺઈରతʹෆՄܽͰ͋Δ͜ͱʢͳ͍ͱஶ͘͠ࢧো Λ͖ͨ͢͜ͱʣ͸ͦΜͳʹଟ͘ͳ͍ɻؔ࿈࿦จͷ΄͏͕௚઀తͳॿ͚ʹͳΔ͜ͱ͕ ଟ͍ ͦͷͨΊຊൃදͰ͸ʮʓʓͱ͍͏ۀ຿՝୊ʹରͯ͠✕✕ίϯϖͷ 
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 ڧ͘ґଘ͢ΔͨΊɻେ͖ͳಥഁޱͱͳΔͷ͸໰͍ʹγϟʔϓʹࢗ͞Δ޻෉ ίϯϖʹ͓͚Δ എܠɾ՝୊ ίϯϖͷ༗ޮ 
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© 2024 Wantedly, Inc. ͡Ό͋ Kaggle ͸ۀ຿ͷ໾ʹཱͨͳ͍ʁ Kaggle Λ௨ͯ͡ʮۀ຿ͷ໾ʹཱͭ൚༻తͳೳྗʯ͕֫ಘͰ͖ɺ 
 ಛఆͳঢ়گ͚ͩͰͳ͘ɺଟ͘ͷ৔໘Ͱͷ׆༻͕ظ଴Ͱ͖Δ ͦΕͰ΋ Kaggle ͸ۀ຿ͷ໾ʹཱͭ ͱߟ͑Δ

© 2024 Wantedly, Inc. ۀ຿Ͱେ͖ͳ੒ՌΛग़ͨ͢Ίʹඞཁͳೳྗͱ͸ ઐ໳ೳྗɺͦͯͦ͠ΕΛʮޮՌతʹ׆͔ͨ͢Ίͷೳྗʯ͕ඞཁ ίϯϐςϯγʔ ઐ໳ೳྗ ߴ ௿ ௿ ߴ ※͜͜Ͱ͍͏ίϯϐςϯγʔͱ͸ɺ 
 ޙఱతʹ਎ʹ͚ͭΒΕΔೳྗ

© 2024 Wantedly, Inc. ઐ໳ೳྗͱίϯϐςϯγʔͷ޲্ Kaggle Λ௨ͯ͡ʮઐ໳ೳྗ × ίϯϐςϯγʔʯͷ໘ੵ͕޿͕͍ͬͯ͘ ίϯϐςϯγʔ ઐ໳ೳྗ ߴ ௿ ௿ ߴ

© 2024 Wantedly, Inc. ઐ໳ೳྗʮػցֶशͷ࣮ફత஌ࣝʯ มԽͷܹ͍͠MLྖҬʹ͓͍ͯɺ࣮ફత஌ࣝͷܧଓతͳ֫ಘ͸ɺͦͷ࣌఺ʹ͓͚Δ࠷ େݶͷ੒ՌΛ্͛Δ͜ͱʹد༩͢Δ KaggleΛ௨ͨ͡޿͘ਂ͍஌ࣝͷ֫ಘ • ଟ༷ͳίϯϖ΁ͷࢀՃΛ௨ͯ͡ɺ෯޿͍ΞϓϩʔνΛαʔϕΠɾ࣮ફ͢Δ • ஌ࣝͷΠϯϓοτͰऴΘΒͣɺ໨తΛ࣋ͬͯͦͷ஌ࣝΛར༻࣮ͯ͠ࡍʹࢼߦࡨޡ ͨ͠ܦݧ͕ਂ͍ཧղʹܨ͕Δ ஌ࣝΛ֫ಘ͢Δ͜ͱͰ • Ξϓϩʔνͷબ୒ࢶ͕૿͑Δ͜ͱͰɺٕज़ͰղܾͰ͖Δ͜ͱͷϨϕϧ্͕͕Δ • ٕज़ͰͲ͜·ͰͰ͖Δ͔ͷղ૾౓͕ߴ·Δ͜ͱͰɺղܾࡦͷ༏ઌ౓ΛܾΊΒΕΔ

© 2024 Wantedly, Inc. ઐ໳ೳྗʮਅͷՊֶతཧղʯ Kaggle Ͱ͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ • ಉ͡Α͏ͳ͜ͱΛ΍͍ͬͯΔͷʹɺείΞʹେ͖ͳ͕ࠩͰ͖͍ͯΔ • ্Ґೖ৆ऀͷιϦϡʔγϣϯ͕γϯϓϧʹݟ͑Δ͚Ͳɺͦͷߴ͍είΞΛ Ͳ͏ͯ͠΋࠶ݱ͢Δ͜ͱ͕Ͱ͖ͳ͍

© 2024 Wantedly, Inc. ઐ໳ೳྗʮਅͷՊֶతཧղʯ ਵॴͰͷޮՌతͳΞϓϩʔνબఆͷੵΈॏͶ͕େ͖ͳࠩΛੜΈग़͍ͯ͠Δ είΞ 
 ʢߴ͍΄͏͕خ͍͠ʣ ϋΠύϥ εέδϡʔϥʔ ϩεؔ਺ લॲཧ ϋΠύϥ εέδϡʔϥʔ લॲཧ ޙॲཧ ޙॲཧ ϩεؔ਺ ͍͢͝ͻͱ Θͨ͠

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© 2024 Wantedly, Inc. ઐ໳ೳྗʮਅͷՊֶతཧղͷ֫ಘʯ ࣭ͷߴ͍ࢼߦࡨޡͷྔ ۀ຿࣌ؒ Kaggle࣌ؒ KaggleͰͷ࣭ͷߴ͍੒ޭͱࣦഊͷେྔ֫ಘ • ໨తΛ࣋ͬͯɺۃݶ·ͰϞσϧͷੑೳվળΛࢼߦࡨޡ͢Δ͜ͱʹΑͬͯɺ࣭ͷߴ ͍੒ޭͱࣦഊΛଟ֫͘ಘ͢Δ͜ͱ͕Ͱ͖Δ • ߋʹ༷ʑͳίϯϖͰ܁Γฦ͠ܦݧ͢Δ͜ͱͰɺ਺ʑͷΞϓϩʔνͷࢼߦࡨޡͷମ ݧΛҰൠԽ͢ΔʢମʹછΈ෇͔ͤΔʣ͜ͱ͕Ͱ͖Δ

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 ੒͠਱͛Δྗ Kaggle Ͱ͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ • ༷ʑͳ࣮ݧΛߦ͕ͬͨείΞ͸શ͘޲্͠ͳ͍ɻཔΈͷߝʹ࢒͍ͯͨ͠࠷ޙͷ࣮ݧ΋ෆൃʹऴΘͬͯ͠ ·ͬͨɻ΋͏౤͛ग़ͨ͘͠ͳΔதͰɺࣃΛ৯͍͠͹ͬͯ΍Δ͜ͱΛͻͶΓग़͠ଓ͚ͨ • ௨ۈ΍͓෩࿊ͷ࣌ؒɺ৸Δ௚લ·Ͱɺ࢛࿡࣌தίϯϖͷ͜ͱΛߟ͍͑ͯͨ

© 2024 Wantedly, Inc. ίϯϐςϯγʔʮ΍Γ੾Δྗʯ ʮͳͥ͜Ε্͕͕Βͳ͍ͷ͔ʯʮ໰୊͸Կ͔ʯʮͲ͏ͨ͠Βվળ͞ΕΔͷ͔ʯͱ͍ͬ ͨ͜ͱΛɺ͍ͭͰ΋Ͳ͜Ͱ΋ͣͬͱߟ͑ଓ͚ΔܦݧΛ Kaggle ͰੵΈॏͶΔ 
 →݁Ռͱͯ͠ɺ࣮຿ʹ͓͍ͯ΋࠷ޙ·ͰఘΊͣʹίϛοτ͠ଓ͚ΔྗͱͳΔ ஫ɿ͜͜Ͱ͍͏΍Γ੾Δྗͱ͸ɺ୯ʹ࡞ۀΛ׬਱͢Δ͜ͱͰ͸ͳ͘ɺৗʹࢥߟΛଓ͚Δ͜ͱΛ ࢦ͢ɻ࠷ޙ·ͰఘΊͣʹߟ͑ൈ͘͜ͱ͸ͱͯ΋೉͍͠ɻ

© 2024 Wantedly, Inc. ίϯϐςϯγʔʮ໰୊ղܾྗʯ ఆٛɿ՝୊Λਖ਼֬ʹཧղ͠ɺద੾ͳղܾࡦΛཱҊɾ࣮ߦ͠ɺͦͷ݁ՌΛݕ ূͯ͠ܧଓతʹվળ͢ΔϓϩηεΛޮՌతʹ਱ߦ͢Δྗ Kaggle Ͱ͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ • ͍ΖΜͳվળΛҰؾʹ٧ΊࠐΜͰ͠·͍ɺ్த͔ΒԿ͕ޮ͍͍ͯΔͷ͔Θ͔Βͳ͘ͳͬͯ͠·ͬͨɻ൓ল ͯ͠ɺద੾ͳ࣮ݧ݁ՌΛಘΒΕΔΑ͏ɺมߋࠩ෼Λҙ࣮ࣝͯ͠ݧΛܭըཱͯͯਐΊͨ • ଟ͘ͷ࣮ݧΛߦ͍ɺ͏·͍ͬͨ͘έʔε͚ͩͰͳ͘ɺ͏·͍͔͘ͳ͔ͬͨέʔε΋ؚΊ༷ͯʑͳ࣮ݧࡐྉ ͔Β૯߹తʹߟ͑ଓ͚Δ͜ͱͰɺmagicʢඈ༂తʹείΞΛ৳͹ͤΔॏཁͳ؍఺ɾԾઆʣΛ֫ಘͨ͠ • Ұ౓݁࿦͚ͮͨ͜ͱͰ΋͍ٙ௚͠ɺ࠶࣮ݧ͢Δ͜ͱͰɺҎલͷ݁࿦͕ؒҧ͍ͬͯͨ͜ͱΛൃݟͨ͠ ೚ҙͷ࢓ࣄ͸໰୊ղܾɻ࣮ݧࢤ޲ɾߴ͍ಎ࡯ྗɾ൷൑తࢥߟͱ͍ͬͨɺޮՌతʹෆ ࣮֬ੑΛݮΒ͢ಈ͖ΛऔΔ͜ͱ͕ɺ࢓ࣄͷ੒ޭ֬౓Λ͙ͬͱҾ্͖͛Δ

© 2024 Wantedly, Inc. ίϯϐςϯγʔʮυϝΠϯࢤ޲ʢސ٬ࢤ޲ʣʯ ఆٛɿٕज़΍ख๏ͷߴ౓Խ͚ͩʹनΘΕΔ͜ͱͳ͘ɺಛఆͷυϝΠϯʢۀքɺ ෼໺ɺ໰୊ྖҬʣ΍ސ٬ͷχʔζʹదͨ͠ΞϓϩʔνΛબ୒͠ద༻͢Δ࢟੎ Kaggle Ͱ͜Μͳܦݧ͸͋Γ·ͤΜ͔ʁ • ٕज़తͳ޻෉ΛੵΈॏͶͯ΋ۚϝμϧϥΠϯʹશ͘ಧ͔ͳ͍ɻඈ༂తʹείΞ͕৳ͼɺଞࢀՃऀͱͷ 
 େ͖ͳࠩΛ͚ͭͨͷ͸ɺυϝΠϯ஌ࣝʹجͮ͘Ξϓϩʔνͩͬͨɻ • υϝΠϯ஌ࣝΛಘΔͨΊʹɺମܥతͳ஌ࣝΛॻ੶ͳͲ͔Β֫ಘ͢Δ / ࣮ࡍʹσʔλΛఆੑతʹோΊͯΈ Δ / ࣮ࡍʹαʔϏεΛ৮ͬͯΈΔ Կ͔Βେ͖ͳඈ༂͕ੜ·ΕΔ͔Λ௧ײͨ͠ܦݧ͕ɺ࣮຿Ͱࠔ೉ʹؕͬͨ࣌ʹٕज़ͩ ͚ΛݟͨվળΛආ͚ͯɺຊ࣭తղܾΛಋ͘ߦಈΛଅ͢

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 ඼࣭ ౤Լͨ࣌ؒ͠ɺίετ ϕʔεϥΠϯ εϖγϟϦετ ※ ਤʹ͢Δͷ͕໘౗ͳͷͰɺٕज़ֵ৽ʹΑΔඈ༂͸ߟ͑ͳ͍΋ͷͱ͢Δ ݱ࣌఺Ͱͷ 
 ݶք஋

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 ੑೳ Ձ஋ఏڙͰ͖Δ࠷খݶͷੑೳʹ౸ୡ͢Δ·Ͱͷίετ͕ࠩੜ͡Δ Ձ஋ఏڙͰ͖Δ ࠷খݶͷੑೳ ౤Լͨ࣌ؒ͠ɺίετ ϕʔεϥΠϯ εϖγϟϦετ ݱ࣌఺Ͱͷ 
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 ੑೳ ڝ૪ྗͷ͋Δ༏Εͨੑೳʹ౸ୡ͢Δ·Ͱͷίετ͕ࠩେ͖͘ੜ͡Δ Ձ஋ఏڙͰ͖Δ ࠷খݶͷੑೳ ౤Լͨ࣌ؒ͠ɺίετ ϕʔεϥΠϯ εϖγϟϦετ ڝ૪ྗͷ͋Δ 
 ੑೳ ཁٻ͕ߴ͍΄Ͳ 
 େ͖͘ͳΔ ݱ࣌఺Ͱͷ 
 ݶք஋

© 2024 Wantedly, Inc. ΢ΥϯςουϦʔʹ͓͚ΔʮKaggleͷ໾ཱͪ౓߹͍ʯ ػցֶशϞσϧͷੑೳ αʔϏεͷ 
 ఏڙՁ஋ ػցֶशϞσϧͷ 
 ੑೳ ౤Լͨ࣌ؒ͠ɺίετ αʔϏεͷఏڙՁ஋Λ࠷େԽ͢ΔͨΊʹɺػցֶशϞσϧͷੑೳΛಥ͖٧Ίͳ ͍ͱ͍͚ͳ͍ ΑΓߴ඼࣭ͳػೳΛਝ଎ʹఏڙ͠ଓ͚Δ͜ͱͰͷ 
 ࣋ଓతͳ༏Ґੑͷཱ͕֬Ձ஋ͱͳΔ ݱ࣌఺Ͱͷ 
 ݶք஋

© 2024 Wantedly, Inc. Kaggle͕ಛʹ໾ཱͪͦ͏ͳMLۀ຿Λ෼ྨͯ͠ΈΔ 1. MLͷੑೳͱίΞՁ஋͕ ൺྫͯ͠޲্͠ଓ͚Δέʔ ε 2. ߴ͍ੑೳʹ౸ୡͯ͠ॳΊͯ Ձ஋ఏڙͰ͖Δέʔεʢe.g. ࣗಈӡసʣ ×ͨ͘͞Μ ػցֶशϞσϧͷੑೳ αʔϏεͷ 
 ఏڙՁ஋ ػցֶशϞσϧͷੑೳ αʔϏεͷ 
 ఏڙՁ஋ ػցֶशϞσϧͷੑೳ αʔϏεͷ 
 ఏڙՁ஋ 3. ҰఆͷੑೳͰे෼ͳMLλ εΫ͕ଟ͘ଘࡏ͢Δέʔε

© 2024 Wantedly, Inc. Kaggle ͷܦݧΛ׆༻ͯ͠ɺΑΓେ͖ͳ੒ՌΛग़ͨ͢Ίʹ ࢓ࣄͰ੒ՌΛग़ͨ͢ΊʹඞཁͳೳྗશͯΛ Kaggle Ͱ৳͹ͤΔΘ͚Ͱ͸ͳ͍ → Kaggle ֎ͰഓΘΕΔೳྗΛ͏·ֻ͚͘߹ΘͤΔ͜ͱ͕ॏཁ KaggleͰ 
 ಘΒΕΔೳྗ Kaggle֎Ͱ 
 ಘΒΕΔೳྗ །ҰແೋͷόϦϡʔ

© 2024 Wantedly, Inc. ྫ1ɿػցֶशͷઐ໳ੑ × υϝΠϯཧղ ΠϯύΫτΛ࣍ͷΑ͏ʹ෼ղɿιϦϡʔγϣϯͷ࣭ × Ծઆͷਫ਼౓(υϝΠϯཧղͷਂ͞) υϝΠϯཧղ ιϦϡʔγϣϯͷ࣭ ߴ ௿ ઙ ਂ ● େ͖ͳมԽΛੜΈग़͢ͷ͸ɺ 
 υϝΠϯ΍ͦΕΒͷσʔλͷຊ࣭ 
 Λଊ͑ͨΞϓϩʔν ● ಛఆͷυϝΠϯʹͲͬ΀Γਁ͔Δ 
 ͜ͱͰɺΑΓޮՌతͳML׆༻͕ 
 ظ଴Ͱ͖Δ ※͜͜Ͱ͍͏υϝΠϯɿMLٕज़ͷద༻ର৅ͱͳΔ 
 ಛఆͷۀք΍෼໺ɺ໰୊ྖҬ

© 2024 Wantedly, Inc. ྫ2ɿػցֶशͷઐ໳ੑ × ϓϩμΫτϚωδϝϯτ ΠϯύΫτΛ࣍ͷΑ͏ʹ෼ղɿιϦϡʔγϣϯͷ࣭ × ՝୊ͷ࣭ ՝୊ͷ࣭ ιϦϡʔγϣϯͷ࣭ ߴ ௿ ௿ ߴ ● MLΛ׆༻ͯ͠ʮԿΛʯʮԿͷͨΊ ʹʯղܾ͢Δͷ͔ɺͦͷ໰͍Λఆٛ ͢Δ ● MLͰͲ͜·Ͱ࣮ݱͰ͖Δ͔Λߴ͍ 
 ղ૾౓Ͱೝ্ࣝͨ͠Ͱద੾ͳ໰͍Λ ߏங͠ɺٕज़ͱϏδωεͷڮ౉͠Λ ߦ͏

© 2024 Wantedly, Inc. ࠷ޙʹɿ੒௕͢Δ্Ͱͷ؀ڥͷॏཁੑ ͜Ε·Ͱ঺հͨ͠ೳྗ͸ผʹ Kaggle Ͱͳ͘ ͯ΋औಘͰ͖ΔɻKaggle Ͱͳ͍ͱବ໨ʂͱ ͸ࢥΘͳ͍ɻ୅ସ͸ՄೳͰ͢ɻ

© 2024 Wantedly, Inc. ࠷ޙʹɿ੒௕͢Δ্Ͱͷ؀ڥͷॏཁੑ Ͱ΋ɺ਺ϲ݄Ϳͬ௨͠ͰҰͭͷ͜ͱΛଟେͳ࿑ ྗʢ࣌ؒɺମྗɺ͓ۚʣΛফඅͯ͠΍Γଓ͚Δ ͜ͱͬͯɺͲ͜Ͱ΋Ͱ͖ΔΘ͚Ͱ͸ͳ͍ɻ

© 2024 Wantedly, Inc. ࠷ޙʹɿ੒௕͢Δ্Ͱͷ؀ڥͷॏཁੑ • ੒௕ʹ͋ͨͬͯͷϋʔυϧ͸ʮ࣭ͷߴֶ͍शͷ૯ྔʯͱʮֶशͷܧଓੑʯ • ৸৯Λ๨ΕΔΑ͏ͳڧ͘೤தͰ͖Δ؀ڥ͕ͦ͜ೳྗ޲্ʹେ͖͘د༩͢Δ • ʮKaggle ָ͕͍͠ʂʯͱͳΔͳΒɺKaggle ͸͋ͳͨʹͱͬͯͷ࠷ߴͷ੒௕ػձ