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urban data challenge with dash
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Hide Ogawa
February 15, 2019
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urban data challenge with dash
はんなりPythonの会#14
Hide Ogawa
February 15, 2019
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Transcript
ඈࣖ ඈࣖ Urban Data Challenge with Dash Chomoku Hideyuki Ogawa
(@ogawahideyuki)
ඈࣖ ඈࣖ ࣗݾհ খɹӳ !PHBXBIJEFZVLJ ߹ಉձࣾܦӦ ۚ༥ɺσʔλɺϒϩοΫνΣʔϯͷձࣾͰ͢ ΜͳΓ1ZUIPOɺ#MPDLDIBJO0TBLBΦʔΨφΠβʔ ࢲࣗʮԿࣄશྗͰʂʯΛϞοτʔʹ
ඈࣖ ඈࣖ %BTIͱʁ 1ZUIPOͷՄࢹԽϑϨʔϜϫʔΫ1MPUMZͱ 'MBTLɺ3FBDUΛͨ͠ͷɻΣϒΞϓϦέʔγϣϯʹͰ͖Δɻ IUUQTEBTIQMPUMZ 1MPUMZࣗମ͕͔ͳΓΠϯλϥΫςΟϒʹಈ͘ͷʹՃ͑ɺ ཁૉͷબͳͲ͕πʔϧίʔϧόοΫͱ͍͏ػೳΛͬͯ ඳ͚ΔͷͰσʔλΛ͍Ζ͍Ζͳ͔֯ΒݟΒΕΔʂ ͋ͱ͍Ζ͍Ζͳਓͱڞ༗ͯ͠
৭ʑҙݟΛͿ͚ͭ߹͏ͱ͔ੌ͘ྑ͍ͱࢥ͏ɻ ͪΐͬͱ͚ͩίʔυΛݟͯΈ·͠ΐ͏ɻ
ඈࣖ ඈࣖ ΞʔόϯσʔλνϟϨϯδͱʁ IUUQVSCBOEBUBDIBMMFOHFKQBCPVU Ҭ՝ͷղܾΛతͱ࣏ͨࣗ͠ମΛத৺ͱ͢Δ ެڞσʔλͷ׆༻ͨؒ͠ͷΠϕϯτ։࠵Λ͏ ҰൠࢀՃܕίϯςετ ·͊ૣ͍͕ɺσʔλΛѻ͏͖ۚͷ ίϯςετ͕͋Δͬͯ͜ͱͳ
ඈࣖ ඈࣖ σʔλݩʑ͖͠ɺۚग़ΔΈ͍ͨ͠ɺ %BTI͓͡͞Μͱͯ͠ͷҐΛ֫ಘ͢ΔͨΊʹग़Δ͔ʂ ୈҰಈػ ୈೋಈػ ۚ༥ͷੈքͰΦϧλφςΟϒσʔλͬͯΔ͠ ͓͍ͬͯͨΒ͍Ζ͍ΖʹཱͭͰʂ ్த͔Βͷಈػ ຊͷ౷ܭ͍͠ɺσʔλΛͬͯ
༧ࢉ͕ճ͞ΕΔΑ͏ʹ͠ͳ͍ͱɺϗϯϚຊͳΔͰʂʂ Ϟνϕʔγϣϯ
ඈࣖ ඈࣖ ·͊ͳΜ͔ͦΜͳงғؾ͋Γ·͚ͨ͠ͲͶ͐ʙ ͔Μ͍ͷෆنଇൃݴ݄ IUUQUBNFJLFOFUEJBSZKBOIUN ͜Ε͑ΔσʔλΛ୳ͯ͠׆༻Ͱ͖Δͱࣔ͞ͳ͍ͱ σʔλͳ͘ͳΔ͔͠ΕΜʂʂʂ
ඈࣖ ඈࣖ ͱ͍͏Θ͚Ͱɺ େࡕͷަ௨σʔλͷมԽΛͪΐΖͬͱݟΑ͏ͱ͍͚ͯͨ͠Ͳɺ ॴಘͱ͔৭ʑͳσʔλΛՄࢹԽͯ͠Έ·ͨ͠ɻ IUUQTPTBLBUBLPZBLJIFSPLVBQQDPN ༧֎ͩͬͨ͜ͱ େࡕࢢͷΦʔϓϯσʔλͷαΠτ͕࡞࡞தʹ ͑ͳ͔ͬͨɾɾɾ ͏Ұͭژͷ॓ധॴͷՄࢹԽ
͜Εલ͔Β࡞͍ͬͯͨͷʹͪΐͬͱσʔλΛͨ͠ɻ IUUQTNZEBTILZPUPIFSPLVBQQDPN
ඈࣖ ඈࣖ େมͩͬͨ͜ͱ ΤΫηϧσʔλͰҐͰ୲ऀ͕มΘΔͷ͔ ࡞Γ͕มΘΔͷͰɺϓϩάϥϜ࡞ָ͔ͬͯͤͯ͠͞Β͑ͣɺ ·ͨɺΤΫηϧΛݟͳ͕Βௐ͠ͳ͍ͱ͍͚ͳ͔ͬͨ͜ͱɻ ͜Ε·͡Ͱ͍ɻ ࣄྫ େࡕࢢɹࣗಈंอ༗ IUUQXXXDJUZPTBLBMHKQUPTIJLFJLBLVQBHFIUNM
ਖ਼͘Β͍ίϨͷॲཧʹඅͨ͠ɻ ࠷ॳ͜Μͳࣄ͕͋Δͷ͔ͱࢥͬͨɻ ಉ͡σʔλΛҧ͏ߦʹೖΕͯͨΓΞϗ͔ͱࢥͬͨɻ IUUQTHJUIVCDPNNB[BSJNPOPVSCBO@EBUB@DIBMMFOHF@PTBLBCMPCNBTUFS EBUBDBS@BMM@BMMDTW
ඈࣖ ඈࣖ ژͷཱྀؗσʔλͷ࡞Γํ ɾσʔλΤΫηϧɻॅॴͳͲ͕ࡌ͍ͬͯΔ ɾ͔ͬ͜Α͘ਤʹϓϩοτ͍ͨ͠ͳͱࢥͬͨɻ ɾਤʹϓϩοτ͢Δ߹ɺܦͱҢ͕ඞཁͰ͋Δ͜ͱ͕Θ͔ͬͨɻ ɾͳΜ͔άʔάϧ༗ྉͬͯใ͕͋ͬͨͷͰ ϠϑʔͷδΦίʔμʔ"1*Λͬͨ IUUQTEFWFMPQFSZBIPPDPKQXFCBQJNBQPQFOMPDBMQMBUGPSNW HFPDPEFSIUNM
ɾͲ͏શͳҐஔใಘΒΕͳ͍ ʢԿஸ୯Ґʣ͔͔͠͠ͿΓͳ͍Α͏ʹݟ͑Δɻ ɾͦͷͨΊॅॴΛΓͳ͕ΒҐஔσʔλΛಘΔΑ͏ʹͨ͠ɻ
ඈࣖ ඈࣖ ژͷཱྀؗσʔλͷ࡞Γํ ɾ࠷ॳจࣈΓͳ͕Β͕͑ݟ͔ͭΔ·Ͱ͍ͬͯ͏ ࡞ۀΛߦ͍ͨ͘ͳͬͨɻ͔֬࠶ؼؔͬͯͷͰग़དྷΔΜ͡Όͳ͔͚ͬͨͬʁʁ Ͳ͔͜ͰಡΜ͔ͩͳ͊ͱࢥ͕ͬͨɺ ͜ͷຊʹ͋ͬͯ࡞Δ͜ͱ͕Ͱ͖ྑ͔ͬͨɻ ৭ʑ࡞Γ࢝ΊΔͱΞϧΰϦζϜͬͯॏཁͩͳ ͬͯࢥ͑ͨɻ
ඈࣖ ඈࣖ ژͷཱྀؗσʔλͷ࡞Γํ ਤσʔλͷϓϩοτ ͻͱ·ͣNBQCPYͱ͍͏αʔϏεΛ͏Α͏ͳͷͰJE QBTTXPSEͱτʔΫϯΛ࡞Δɻ Ͳ͜ͰώϯτΛಘ͔ͨΕ͕ͨฏ໘ΑΓࣼΊ͔Βݟͨ΄͏͕̏%ͬΆ͘ ख͕͔͔͍ͬͯΔΑ͏ʹݟ͑ΔͷͰͦͷΞΠσΞΛ࠾༻ͨ͠ɻ ͬͨ͜ͱͻͱͭͣͭϒϩάΛ࡞͓ͬͯ͘ͱ
ݟฦͤɺͦͷ࣌ʹߟ͑ͨ͜ͱ͕Θ͔ͬͯྑ͍ɻ IUUQTXXXNB[BSJNPOPOFUFOUSZ PQFOEBUB@WJTVBMJ[BUJPO@XJUI@QMPUMZ
ඈࣖ ඈࣖ ژͷཱྀؗσʔλͷ࡞Γํ ̐ IFSPLVʹ͋͛Δ ࣮͕͜͜%BTIͰҰ൪ϏοΫϦͨ͠Ͱɺ ؆୯ʹΣϒͰશһʹڞ༗Ͱ͖Δͬͯͱ͜Ζ͕ ྑ͍ͱࢥͬͯ·͢ɻʢIFSPLV͕ੌ͍ʁͲͬͪʁͲͬͪੌ͍ʁʣ Γ͔ͨ IUUQTEBTIQMPUMZEFQMPZNFOU
ɾϩʔΧϧͰಈ͘ͷʹJNQPSUPTɺTFSWFSBQQTFSWFSͬͯจݴΛ͢ɻ ɾHJUJHOPSFϑΝΠϧΛ࡞Δɻ ɾ1SPDpMFΛͭ͘Δɻ ɾSFRVJSFNFOUTUYUΛͭ͘Δɻ ɾίϚϯυΛ̑ߦॻ͘ʂ ɾૣ͍ʂ؆୯ʂIFSPLVੌ͍ ɾະͩʹ714ͷ͋͛ํΛ͔͍ͬͯͳ͍
ඈࣖ ඈࣖ ژͷཱྀؗσʔλ׆༻ํ๏Ҋ ॓ധࢪઃͷ૿Ճͱژͷ॓ധऀͷؔ ૿͑࢝Ίͨ·Ͱ͔͠·ͩσʔλ͕ఏڙ͞Ε͓ͯΒͣɾɾ σʔλʹͳ͍ॴ͕ຊʹͳ͍ͷͰ͋Εɾɾ ަ௨खஈͷൃୡ͕ॏཁʹࢥ͏ɻ ೆͷํΛݟͯΈΔͱɺԼమԊઢ॓ധࢪઃ͕ ͋Δ͕ɺԼమ͕௨͍ͬͯͳ͍ೆ۠ͷ΄͏͕ͳ͍ɻ ͦ͏͍͏ҬͬͯΠϯόϯυͷޮՌΛड͚͍ͯͳ͍
ͱߟ͑ΒΕɺͦͷԸܙΛ༩͑ΔΑ͏ͳࡦ͕ඞཁɻ
ඈࣖ ඈࣖ େࡕσʔλ֓؍ ɾͳΜ͔౷ܭࣄ݅͋Γɺ౷ܭσʔλΛͱΓ͋͑ͣ ͨ͘͞Μ٧ΊࠐΉํʹͨ͠ɻ͔͠͠ɺΦʔϓϯσʔλαΠτ͕ ͑ͳ͍ͱ͍͏ΞΫγσϯτɻ ɾσʔλΛݟ͍ͯΔͱ༧ࢉ͕ݮগ͍ͯ͠ΔӨڹ͔ʢόΠΞε͔͔ͬͯΔʁʣ σʔλͷࡉ͔͕͞ͳ͘ͳ͍ͬͯΔͱ࣮ײͰ͖Δσʔλଟ͘ݟΒΕͨɻ ɾͰࢥ͍ͷ֎σʔλଟ͋͘Γɺ ͜ΕͬͯϏδωεΔ্Ͱνϣοτ׆༻͢Δ͚ͩͰ༏Ґʹ
ಇ͘ΜͰͳ͍͔ͱࢥͬͨɻ ɾ࡞ΓํͱΓ͋͑ͣΤΫηϧσʔλΛྑ͘ݟͯʢॏཁʣɺ QBOEBTͰ͜ͶΔʂDTWͩͱߦ͕ͣΕͯΔͱ͔ͳ͍ͷͰྑ͔ͬͨɻ
ඈࣖ ඈࣖ େࡕσʔλ͔Β֞ؒݟ͑ͨ͜ͱ ɾਓޱಈΛݟΔͱɺେࡕࢢશମͰ̎̌Ͱ̐ˋऑਓޱ͕૿͍͑ͯΔɻ ɾ͔͠͠ɺਓޱͷਪҠ۠͝ͱʹόϥόϥɻ ɾҰൠʹΨϥ͕ѱ͍Ҭ͕ݮগʹ͋Γͦ͏͕ͩɺ ࣄ݅ൃੜͷώετϦΧϧͱ͔ݟ͚ͭΒΕͳ͔ͬͨͷͰͳΜͱݴ͑ͳ͍ɻ ɾਓޱݮগҬͰੈଳΛݟΔͱݮ͍ͬͯΔͱ͜Ζগͳ͍ɻ ɾࣗಈंݮ͍ͬͯΔ͚Ͳɺී௨༻ं૿͍͑ͯΔɻ ༻ं͕ݮ͍ͬͯΔɻʢौ࣌ؒܶతʹݮগʣ
ɾόεར༻ͨͩͻͨ͢ΒݮগɻԼమճ෮ɻ ɾࢲమͷར༻ݮগɻ+3ڧ͍ɻ
ඈࣖ ඈࣖ େࡕσʔλͰྔ͕ଟ͘ͳΔͷͰλϒΛͬͯΈͨ ͬͯΈ͚ͨͲɺλϒ͏ͱը໘ͷԼ·ͰݟͨΒ ্͍͍ͪͪ·ͰΒͳ͍ͱ͍͚ͳ͍ͷͰɺ͜Ε͋·Γྑ͘ͳ͍ͷͰɾɾɾ IUUQTEBTIQMPUMZEBTIDPSFDPNQPOFOUTUBCT λϒίʔϧόοΫͰར༻͢Δํ๏ͱλϒͷதʹνϧυϨϯͱͯ͠ ར༻͢Δํ๏ͷ͕̎ͭ͋Δɻ λϒͷதίʔϧόοΫ͢ΔͷͰɺνϧυϨϯͰ࡞Γ·ͨ͠ɻ ίʔυΛॻ͍͍ͯΔײ͡Ͱϖʔδͷ͡Ίʹ
EDD5BC ͱ͚ͭΔ͚ͩͳͷͰɺ͋·Γ໘͞ͳ͍͚Ͳɻ
ඈࣖ ඈࣖ Ͳ͏ݟͤΔ͔ͷ ͱΓ͋͑ͣɺͯ͢ͷҬΛ͍ͬΜʹݟΒΕͨ΄͏͕ Θ͔Γ͍͢Ζͬͯ͜ͱͰશ෦͍ͬΜʹݟͤͨɻ ͔͠͠ɺຌྫ͕શ෦ग़͍ͯͳ͍ɻ ্ݶͱ͔͋Δͷ͔ͳ͊ɾɾɾ ผ݅ͰશࠃͷσʔλʹऔΓΜͰ͍ΔͷͰ͕͢ɺ ͦΕͰ͍͔ͭ͘ΛϐοΫΞοϓͯ͠ՃͰ͖ΔΑ͏ʹ͍ͯ͠Δɻ IUUQTTZPLFOLFJ[BJIFSPLVBQQDPN
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ඈࣖ ඈࣖ εϥΠμʔಈ͔ͳ͍ ΜͳΓ1ZUIPOͷϋϯζΦϯͳΜ͔Ͱ ૽͍Ͱ͍͔ͨ͠Ε·ͤΜ͕ɺωοτʹ্͛ΔͱͳΜ͔ εϥΠμʔ͕ಈ͖·ͤΜʢϩʔΧϧͰಈ͘ʣɻ ͜Ε͋͛ͯͪΐͬͱ͔ͯ͠Βࢥ͍ग़ͨ͠ͷͰ ಈ͔ͳ͍··ͷ࡞ͱͳͬͨʢఏग़͕ΪϦΪϦͰͦͷΊͪΌ͔ͬͨ͠ɾɾɾʣ ίϛϡχςΟʔͰฉ͍ͯΈΔ͖Ͱ͠ΐ͏Ͷ ʢ࣍ճ·Ͱʹɾɾɾʣ
ඈࣖ ඈࣖ ·ͱΊ ɾ1%'දࣔ༻ͷΤΫηϧΛ͑ΔΑ͏ʹ͢Δͷ݁ߏ໘ ɾ͔͠͠ɺ͔ͬ͠Γ͍ͯ͠ΔެతͳػؔͰ͜ΕͩͬͨΒࢲاۀɾɾɾ ɾࠃͷσʔλ͔Γݟ͖͚ͯͨͲࢢொଜ୯ҐͰ৭ʑͳσʔλ͕͋Γͦ͏ ɾࠓճืू̍ϲ݄લͱ͔ʹؾ͍͚ͨͲɺ࣍ճΠϕϯτΛ։࠵ͯ͠ ༧ࢉ̍̌ສԁΒͬͯͳΜ͔େʹͬͯΈ͍ͨʂʂʂ ɾͦΕΛ࣮ͬͯࡍʹϏδωεΛͯ͠Ք͍Ͱ੫ۚऩΊͯ ͦΕͰ౷ܭσʔλΛ֦ॆͯ͠Β͏Έ͍ͨͳϧʔϓΛճͤΔͱ໘ന͍͔ͳͱࢥ͏
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