機械学習プロジェクトのアイデア出しと事前影響評価 / evaluate machine learning projects

by Rei Kubonaga

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©2019 Wantedly, Inc. αΠΫϧʹӨڹΛٴ΅͢΋ͷΛྻڍ • ػցֶशϓϩδΣΫτ͸ɺٕज़υϦϒϯͷΞΠσΞ΋ଟ͘ɺ໰୊ͱղܾΛಉ࣌ʹߟ͑Δ͜ͱ͕ଟ͍ • ਤࣔͨ࣌͠఺Ͱɺؔ܎͍ͯ͠Δσʔλ΍ࣄ৅͸ॏཁͳ΋ͷʹ੍ݶ͞Ε͍ͯΔ ࣅͨϏδωεϞσϧ͕͋ΔاۀΛࢀߟʹ • ࣅͨϏδωεͰΠϯύΫτ͕͋ΓɺऔΓ૊ΜͰ͍Δ͜ͱΛूΊΔ • ϏδωεϞσϧͷΧςΰϥΠζ͸ɺϦʔϯΞφϦςΟΫε͕͓͢͢Ί ໰୊ͷఆٛ & ΞΠσΞग़͠

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©2019 Wantedly, Inc. ϦʔϯΞφϦςΟΫε • ϦʔϯελʔτΞοϓʯ͕ఏএ͢Δߏஙɾܭ ଌɾֶशϧʔϓͷʮܭଌʯʹϑΥʔΧεͨ͠ ΋ͷ • 6ͭͷϏδωεϞσϧΛྫʹڍ͛ɺ۩ମతͳ σʔλͷཪ෇͚Λ࢖͍ͳ͕ΒɺελʔτΞο ϓ͕੒௕͢ΔͨΊͷʮܭଌ͢΂͖਺஋ʯʹͭ ͍ͯৄࡉʹղઆ͠·͢ɻ • ECαΠτɼSaaSɼແྉϞόΠϧΞϓϦɼ ϝσΟΞαΠτɼϢʔβʔ੡࡞ίϯςϯ πɼπʔαΠυϚʔέοτϓϨΠε

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©2019 Wantedly, Inc. ϓϩτλΠϐϯά or γϛϡϨʔγϣϯ • ࣮ࡍʹσʔλΛݟͯɺ1-2೔͘Β͍ͰͷϓϩτλΠϐϯάΛͯ͠ΈΔ • 1-2೔Ͱ࣮ݱͰ͖ͳ͍ͱ͍͏͜ͱ͸ɺ1-2ϲ݄Ͱ͸ऴΘΒͳ͍ϓϩδΣΫτʹͳΔ • ਫ਼౓Λ90%ͳͲԾఆͯ͠ɺσʔλΛೖΕͯΈͯɺγϛϡϨʔγϣϯΛߦ͍ݕূ͢Δ͜ͱ΋Α͍ ϓϩτλΠϐϯά͸γϯϓϧʹɺ2఺Λݕূ • ߴਫ਼౓͕ඞཁ͔ - ϓϩτλΠϐϯάͨ͠ਫ਼౓ͰՁ஋ΛੜΈग़ͤΔͷ͔ • ਫ਼౓ͱKPI΁ͷ૬͕ؔ໌ྎ͔ - ϓϩδΣΫτͷਫ਼౓͕ྑ͍৔߹ɺϏδωεʹߩݙͰ͖Δͷ͔ ΞΠσΞͷධՁͷํ๏

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©2019 Wantedly, Inc. σʔλυϦϒϯͳνʔϜ͕ߦ͍ͬͯΔ͜ͱ • άϩʔεαΠΫϧʹਤ߲ࣔͨ͠໨΍ྲྀΕͷ਺ࣈ͕ɺຖ೔ߋ৽ɾՄࢹԽ͞ΕɺνʔϜશһݟ͍ͯΔ • աڈʹߦͬͨࢪࡦ͸ɺద੾ʹA/Bςετ͕࣮ࢪ͞Εɺ਺ࣈͰධՁ͞Ε͍ͯΔ • ਺ࣈ͸ɺྔͱ࣭ɾ஗ߦࢦ਺ͱઌߦࢦඪͱ͍͏Α͏ʹ༷ʑͳ֯౓͔ΒݟΒΕ͍ͯΔ • ධՁख๏΍σʔλͷΫϨϯδϯάʹ͍ͭͯٞ࿦͕͞Ε͍ͯΔ ਫ਼౓޲্ͷϏδωε΁ͷӨڹධՁ͸ςετ͕ඞཁ • σʔλ͚ͩͰҼՌؔ܎Λࣔ͢͜ͱ͸Ͱ͖ͳ͍ • աڈͷࢪࡦ΍A/BςετͳͲʹΑΔ਺ࣈͷมԽ͔ΒֶͿ΋ͷ Tips1: KPIͷՄࢹԽͱA/BςετͷจԽ

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©2019 Wantedly, Inc. Tips2: ΤϯδχΞͱͷ࿈ܞͰඞཁͳ৺ߏ͑ Learn and Be Curious • ٕज़΋Ϗδωε΋଎͍εϐʔυͰมԽ͓ͯ͠Γɺৗʹֶͼଓ͚Δ͜ͱ͕ඞཁ • ΤϯδχΞ͸ɺҰͭͷ෼໺͚ͩͰͳ͘ɺ෯޿͍෼໺ͷਂ͍஌ݟ͕ඞཁͱݴΘΕ͍ͯΔ • PMͷ࢓ࣄ͸ɺΤϯδχΞͷҙࢥܾఆΛཧղ͠൑அ͢Δ͜ͱ • ΑΓਂ͍஌͕ࣝ͋ͬͯࠔΔ͜ͱ͸ͳ͍ ૬ؔؔ܎ͱҼՌؔ܎ͷ஌ࣝ • ͋ΔࢪࡦͷධՁΛߦ͏৔߹͸ඞཁʹͳΔ • ׬શʹཧղΑΓޡΓͷྫΛཧղ͢Δ͜ͱ͕͓͢͢Ί - wikipediaʹ4ͭྫ͕͋Δ

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©2019 Wantedly, Inc. Tips3: ΤϯδχΞ(Data Scientist)ͱͷ࿈ܞͰ஌͓ͬͯ͘ͱΑ͍͜ͱ σʔλཧղͱ੔ܗͱυϝΠϯ஌ࣝ • DSͷ࢓ࣄͷ൒෼͸ɺσʔλཧղͱ੔ܗɻυϝΠϯ஌͕ࣝͳ͘ৼΓग़͠ʹ໭Δ͜ͱ͸Α͋͘Δ ৽͍ٕ͠ज़΁ͷ޷ح৺ • ৽͍ٕ͠ज़Λ͍֮͑ͨɾ΍ͬͯΈ͍ͨͱऔΓ૊Ή͜ͱଟ͍ ώΞϦϯάྗɾظ଴஋ίϯτϩʔϧྗ • ΤϯδχΞͰυϝΠϯ஌ࣝͷώΞϦϯά΍ظ଴஋ίϯτϩʔϧ͕ಘҙͳਓ͸ଟ͘ͳ͍ • PMͱΤϯδχΞ૬ޓʹཧղΛਂΊɺϦεΫ΍൑அج४ͷཧղ͕ඞཁ

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©2019 Wantedly, Inc. ࣮ࢪͨ͠ϓϩδΣΫτͷྫ - اۀܧଓ཰ͷ༧ଌ ಋೖલ ɾϓϥϯ͝ͱʹར༻ظ͕ؒҟͳ͍ͬͯΔ͜ͱͰɺ ૊Έ߹ΘͤʹΑͬͯߋ৽཰͕มಈͯͨ͠͠ औΓ૊Μͩ͜ͱ ɾϓϥϯ಺༰΍ߋ৽ճ਺΍ར༻ཤྺ͔Β༧ଌ ɾςʔϒϧσʔλ͔Βߋ৽཰ͷܭࢉ ޮՌ ɾࣄલʹϑΥϩʔ͢Δ΂͖اۀͷநग़Մೳʹ ɾਖ਼͍͠໨ඪઃఆ͕Մೳʹ ɾಋೖޙɺܧଓ཰͕ܧଓతʹվળ (ϏδωενʔϜ͕վળΛڧԽ͢Δ͜ͱͱ૬·ͬͯ)

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©2019 Wantedly, Inc. ಋೖલ ɾਓؾͷืू΍ιʔγϟϧγΣΞͷଟ͍ืूΛਪન ɾϢʔβ૚͕૿͑ΔʹͭΕͯύϑΥʔϚϯε͕ѱԽ औΓ૊Μͩ͜ͱ ɾʮ͓͢͢ΊͷืूʯʮϑΟϧλϦϯάʯʮΩʔϫʔυݕ ࡧʯͱͦΕͧΕҟͳΔύʔιφϥΠζͷਪન ޮՌ ɾఆ఺؍ଌ͍ͯͨ͠ʮืू͕දࣔ͞Ε͔ͯΒɺ࿩Λฉ͖ʹ ߦׂ͘߹ʯͱ͍͏ࢦඪ͕2ഒʹ ɾਪનΛڧԽ͔ͯ͠Βɺ2೥࿈ଓͰԠื਺͕લ೥౓ͷ੒௕཰ Λ௒͑Δ ɾԠื਺͕૿͑Δ͜ͱͰɺاۀͷܧଓ཰΋վળ͠ɺച্ʹ ΋ߩݙ ࠷ॳͷ ͓͢͢Ίืू ϑΟϧλϦϯ ά Ωʔϫʔυ ݕࡧ ࣮ࢪͨ͠ϓϩδΣΫτͷྫ - ๚໰Ϛονϯάͷվળ

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ػցֶशϓϩδΣΫτͷάϩʔεαΠΫϧͱ͸ʁ Growth Cycle σʔλ͕૿͑Δ͜ͱͰɺద༻͍ͯ͠ΔϞσ ϧͷਫ਼౓͕޲্ɻద༻͢ΔϞσϧͷߴ౓Խ ΋ਐΊ΍͘͢ͳΔɻ Ϟσϧ Ϟσϧͷਫ਼౓͕ྑ͘ͳΔ͜ͱͰɺΑΓར༻ ͠΍͘͢ͳΔ͠ɺαΠτ΁ͷϩΠϠϦςΟ ΋ߴ͘ͳΔɻ ސ٬ମݧ ΑΓͨ͘͞ΜͷϢʔβͷσʔλ͕ू·Δɻ ਪનͷ৔߹͸ɺΑΓΑ͍ਫ਼౓ͷਪનΛߦͬ ͨσʔλ͕ू·Δɻ σʔλ ܧଓతʹΓΑ͏ͯ͠΋Β͑Δ͚ͩͰͳ͘ɺ ޱίϛͷ਺΋૿͑ɺ৽نͷϢʔβ΋૿͑Δ τϥϑΟοΫ

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AIΛ௨ͯ͠ ໰୊ΛղܾͰ͖Δ AIΛ௨ͯ͠ ໰୊Λղܾ͠ɺ ࣮ࡍʹϏδωεʹ ΠϯύΫτ͕͋Δ AIΛ௨ͯ͠ ໰୊Λղܾ͠ ܧଓతʹϏδωε͕ վળ͢Δ άϩʔεαΠΫϧΛ ࡞Γग़͢ 1 2 3 AI͕ ࢖͑Δ͜ͱ͕ ෼͔Δ 0 ػցֶशϓϩδΣΫτʹ͓͚Δ4ͭͷϨϕϧ

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AIΛ௨ͯ͠ ໰୊ΛղܾͰ͖Δ AIΛ௨ͯ͠ ໰୊Λղܾ͠ɺ ࣮ࡍʹϏδωεʹ ΠϯύΫτ͕͋Δ AIΛ௨ͯ͠ ໰୊Λղܾ͠ ܧଓతʹϏδωε͕ վળ͢Δ άϩʔεΤϯδϯΛ ࡞Γग़͢ 1 2 3 AI͕ ࢖͑Δ͜ͱ͕ ෼͔Δ 0 ֤Ϩϕϧ͝ͱͷࣄۀ΁ͷΠϯύΫτͷҧ͍ x1.0 x1.2 x10 ໰୊࣍ୈͰɺϓϩδΣΫτͷ੒Ռ͸10ഒҎ্มΘΔ ໰୊͕ਖ਼͘͠ఆٛͰ͖Ε͹ɺ੒Ռ͕࿈࠯͍ͯ͘͠ɺ ΑΓߴ౓ͳٕज़Λ࢖͏νϟϯε΋૿͑Δ

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©2019 Wantedly, Inc. • ҼՌؔ܎ͷٯస - Րࡂݱ৔ʹग़ಈ͢Δফ๷͕࢜ଟ͍΄ͲɺՐࡂͷن໛͸େ͖͍ • ୈ3ͷཁҼ͕2ͭͷڞ௨ݪҼ - ΞΠεΫϦʔϜͷചΓ্͕͛৳ͼΔͱɺਫࢮऀ਺΋࣮֬ʹ૿͑Δ • ۮવͷҰக - ւ଑ͷ਺͕ݮΔʹͭΕͯɺಉ࣌ʹ஍ٿԹஆԽ͕େ͖ͳ໰୊ͱͳ͖ͬͯͨ • ͓ޓ͍ʹҰํ͕͓ޓ͍ͷݪҼ - ѹྗ͕ߴ·Δʹ࿈ΕͯɺԹ౓্͕ঢ͢Δ උߟ) ૬ؔؔ܎ͱҼՌؔ܎ - ੒ཱ͠ͳ͍ྫ wikipediaʮ૬ؔؔ܎ͱҼՌؔ܎ʯΑΓ