Google Colaboratoryで学ぶAIの基礎と正体 / googlecolaboratory-de-manabu-ai-no-kiso-to-shotai
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Takahiro Kato
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Google ColaboratoryͰֶͿAIͷجૅͱਖ਼ମ 4AI: Ճ౻ و
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Agenda w ࣗݾհ w ༰ͷઆ໌ w ػցֶशͷجૅ ࠲ֶ w ػցֶशϋϯζΦϯ ϓϩάϥϜ࠲ֶ w ػցֶश·ͱΊ w ͘͘༻ڭࡐͷ͝հ
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ࣗݾհ ໊લ Ճ౻و ͔ͱ͏͔ͨͻΖ ࣄɿ Ѫඤݝ৽ډࢢࡏॅ ݩͷձࣾͰάϧʔϓ̨̚*5ਪਐ ࠓ͔͚͍ͬͯΔ̞̩ٕज़ɿ "*ɺ*P5ɺ4FSWFSMFTT"SDIJUFDUVSF ࠓ͔͚͍ͬͯΔ"*ؔͷٕज़ɾαʔϏεɿ ػցֶशɺ1ZUIPOɺ,BHHMFɺTDJLJUMFBSO ʢσΟʔϓϥʔχϯάΓ͍ͨʜʣ
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༰ͷઆ໌
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༰ͷઆ໌ ࠓͷΰʔϧ w (PPHMF$PMBCPSBUPSZ˞ ͰػցֶशͷϞσϧΛ࡞ w ػցֶशͷΈͷཧղ w Ͱ͖ΔࣄɾͰ͖ͳ͍ࣄ w ඞཁͳͷ w ػցֶशͷڭࡐͷ͓࣋ͪؼΓ ˞Ҏ߱$PMBCͱهࡌ
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༰ͷઆ໌ ϋϯζΦϯͰΒͳ͍ࣄ w ϓϩάϥϜͷৄ͍͠આ໌ w ػցֶशϓϩάϥϜͷ࡞ w TDJLJUMFBSO ػցֶशϥΠϒϥϦ Λ༻ w σʔλͷલॲཧΛ࣮ࢪ
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ػցֶशͷجૅ
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ػցֶशͷجૅ ͡Ίʹ w ຊ༰ͷػցֶश㲈ػցֶश<ڭࢣ͋Γֶश> w ຊ༰ͷϞσϧʢܭࢉࣜʣͷྫ ⭕Θ͔Γ͢͞ ❎࣮ફత
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ػցֶशͷجૅ ΠϯϓοτΛΞτϓοτʹม Ϟσϧ ࣜ ʹΠϯϓοτͨ͠Λೖͯ͠ࢉग़ ྫɽ͔Βඅ༻Λࢉग़͢Δ"* "*ͷϞσϧɿZY Zඅ༻Y ͕ͷ߹ <> <අ༻>
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ػցֶशͷجૅ අ༻ Z Y ֶशσʔλ ϓϩοτਤ্ͷ ͷ༩ ˞ֶशσʔλͱΠϯϓοτ<>ͱΞτϓοτ<අ༻>͕ηοτʹͳͬͨσʔλ
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ػցֶशͷجૅ අ༻ Z Y Ծઆͷ࡞ ˞ԾઆͱΠϯϓοτͱΞτϓοτͷؔΛਪଌ͠ɺࣜͰදͨ͠ͷ
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ػցֶशͷجૅ අ༻ Z Y ZY Ϟσϧͷ࠾༻ Ϟσϧͱֶशσʔλͷޡࠩͷτʔλϧ͕࠷খ͍͞ԾઆΛϞσϧʹ࠾༻
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ػցֶशͷجૅ Ϟσϧ·ͱΊ w "*͕Πϯϓοτ˞ΛΞτϓοτ˞ʹม͢Δͷ w ֶशσʔλͱΞϧΰϦζϜʹΑͬͯߏங͞ΕΔͷ w ਖ਼ମࣜ ˞ਓ͔Βͷ࣭ͳͲ ˞ਓ͔Βͷ࣭ʹର͢Δ͑ͳͲ
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ػցֶशϋϯζΦϯ
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ػցֶशϋϯζΦϯ ϋϯζΦϯͰ༻͢Δͷ w ࣮ߦڥ w (PPHMF$PMBCPSBUPSZ w ػցֶश༻ͷσʔλ w TDJLJUMFBSOͷνϡʔτϦΞϧσʔλ
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ػցֶशϋϯζΦϯ $PMBCͱʁ w (PPHMF͕ػցֶशͷڭҭݚڀ༻ʹఏڙͨ͠ΞϓϦ w (PPHMF͕ΧελϚΠζͨ͠+VQZUFS/PUFCPPL w ڥ࡞͕୭ͰͰ͖ΔϨϕϧͰ؆୯ w ແྉʢ(16ͷ༻Մೳʣ ˞+VQZUFS/PUFCPPLػցֶशʹΑ͘༻͞ΕΔͷ
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ػցֶशϋϯζΦϯ $PMBCͷ੍ݶ w Πϯελϯεىಈ͔Β࣌ؒܦաͰΠϯελϯεఀࢭ w ηογϣϯ͕Ε͔ͯΒܦաͰΠϯελϯεఀࢭ ˞ϒϥβͷΦʔτϦϩʔυͷΞυΦϯͳͲͰରࡦՄೳ
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ػցֶशϋϯζΦϯ ϋϯζΦϯ։࢝ʂ
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ػցֶशϋϯζΦϯ ϋϯζΦϯ༻σʔλ IUUQTCJUMZX&+4 ಡΈࠐΉϑΝΠϧ 3FHSFTTJPO #PTUPOIPVTFQSJDFTJQZOC
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ػցֶश·ͱΊ
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ػցֶश·ͱΊ ࣈ͔͠ѻ͑ͳ͍ Ϟσϧࣜ ֶशσʔλʹΑͬͯਫ਼͕େ͖͘มԽ͢Δ w ༻͢Δಛ ΧϥϜ ͷચ͍ग़͠ w ܽଛɾҟৗͷॲཧ मਖ਼ɾআ ਫ਼ߴ͘ͳ͍ աڈσʔλ͔Βਪଌͨ͠࠷దղ తʹԠͯ͡ΞϧΰϦζϜͷܾఆ͕ඞཁ ཁઐࣝ Ϟσϧ࡞Δ͚ͩͳΒ؆୯ɻਫ਼ΛٻΊΔͱ͍͠
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ػցֶश·ͱΊ ػցֶशͷ४උ Ӧۀੳͷྫɽ Ӧۀ׆ಈ༰ΛจষͰͳ͘ɺӦۀ׆ಈͷϙΠϯτΛϦετ Ξοϓͯ͠ɺߦಈͷ༗ແ PS είΞ Ͱೖྗ ΞϙΛࣄલʹͱΓɺࣄ લௐ͔ࠪΒಘͨ Λղܾ͢ΔιϦϡʔγϣ ϯΛఏҊͯ͠ܖ͕ͱ Ε·ͨ͠ Ξϙɹɹɹɹɹ☑ ࣄલௐࠪɹɹɹ☑ ఏҊ࣋ࠐɹ☑ ͓࢈ɹɹɹɹ⬛ ܖ☑
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͘͘༻ڭࡐ ͷ͝հ
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͘͘༻ڭࡐͷ͝հ w ,BHHMF w $PVSTFSB w 4UBOGPSE6OJWFSTJUZ.BDIJOF-FBSOJOH w ౦ژେֶάϩʔόϧফඅΠϯςϦδΣϯεدߨ࠲˞ w 2JJUBʲεϚϗ0,࣮ߦ͠ͳ͕ΒֶͿʳ౦େদඌݚͷσʔ λαΠΤϯςΟετҭ%FFQ-FBSOJOHجૅߨ࠲Λ ࣗश͢Δ ˞Ҏ߱౦ژେֶ($*دߨ࠲ͱهࡌ
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͘͘༻ڭࡐͷ͝հ ,BHHMFͱ اۀݚڀऀ͕σʔλΛߘ͠ɺ ੈքதͷ౷ܭՈσʔλੳՈ͕ͦͷ࠷దϞσϧΛڝ͍߹͏ɺ ༧ଌϞσϦϯάٴͼੳख๏ؔ࿈ϓϥοτϑΥʔϜɻ 8JLJQFEJBΑΓҾ༻ ༻͢ΔϓϩάϥϜݴޠʮ1ZUIPOʯɺʮ3ʯͰɺ ʮ+VQZUFS/PUFCPPLʯ༻ҙ͞Ε͍ͯΔɻ
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͘͘༻ڭࡐͷ͝հ ϝϦοτ ϝδϟʔͳػցֶशͷ։ൃڥ͕ಘΒΕΔ ༷ʑͳσʔλΛ৮Δࣄ͕Ͱ͖Δ ଞͷਓͷϞσϧͷ࡞ํ๏ΛΔ͜ͱ͕ग़དྷΔ ࣗͷϖʔεͰ࣮ફ ίϯϖʹࢀՃ Ͱ͖Δ ϥϯΩϯάʹΑͬͯ٬؍తͳࣗͷ࣮ྗΛܭΕΔ ϥϯΩϯάɾশ߸ɾϝμϧʹΑΔεΩϧͷূ໌ ͕ۚΒ͑Δ
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͘͘༻ڭࡐͷ͝հ σϝϦοτ ӳޠ
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͘͘༻ڭࡐͷ͝հ KaggleΛ׆༻͍ͯ͠Δຊاۀ ίϯϖ։࠵ w ϝϧΧϦ ۚ૯ֹສυϧ w ϦΫϧʔτ ۚ૯ֹສԁ ίϯϖࢀՃ w %F/" ۀதͷ,BHHMFࢀՃΛਪ
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͘͘༻ڭࡐͷ͝հ ,BHHMFͷొํ๏ͪ͜ΒΛࢀߟʹ IUUQTCJUMZ.L+WW4
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͘͘༻ڭࡐͷ͝հ Courseraͱ w ੈքதͷେֶͷतۀΛΦϯϥΠϯͰडߨͰ͖ΔαʔϏε w ແঈ मྃূͷൃߦ༗ঈ w ͓Ίͷतۀ4UBOGPSE6OJWFSTJUZ.BDIJOF -FBSOJOH w Իӳޠ͕ͩຊޠࣈນ͋Γ
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͘͘༻ڭࡐͷ͝հ ౦ژେֶGCIدߨ࠲ͱ • Deep LearningͰ༗໊ͳ౦େদඌݚ͕Jupyter notebook ܗࣜͰσʔλੳ/ Deep LearningߨٛࢿྉΛͦΕͧΕ ެ։ • PythonػցֶशؔͷϥΠϒϥϦͷษڧ͋Γ
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͘͘༻ڭࡐͷ͝հ PythonؚΊͯجຊ͔Βษڧ͢Δ߹ ➡౦ژେֶGCIدߨ࠲ Qiitaهࣄ: https://bit.ly/2MgRSMw ػցֶशͷ͔Γ͍͢तۀΛٻΊΔ߹ ➡Coursera: https://www.coursera.org/ ଞਓΛࢀߟʹ͍ͨ͠ɾ࣮ફ͍ͨ͠߹ ➡Kaggle: https://www.kaggle.com/