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触れる可視化 〜データビジュアライゼーションとは何か〜
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Yuichi Yazaki
January 13, 2017
Research
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触れる可視化 〜データビジュアライゼーションとは何か〜
2017年1月13日に立川市役所で開催された『第16回Flat Placeたまにわ 「触れる可視化〜データビジュアライゼーションとは何か〜』にて使用したスライドです。
Yuichi Yazaki
January 13, 2017
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Transcript
৮ΕΔՄࢹԽ ʙσʔλϏδϡΞϥΠθʔγϣϯͱԿ͔ʙ ࡚༟Ұ %BUB7JTVBMJ[BUJPO+BQBO$PEF'PS5PLZP/PUBUJPO--$ ୈճ'MBU1MBDFͨ·ʹΘฏ݄
ࣗݾհ ৬ۀɿσʔλɾϏδϡΞϥΠθʔγϣϯ࣮ՈʗΠϯ λʔϑΣΠεɾσβΠφʔʗ͓ͪΌίϯαϧλϯτ ίϛϡχςΟɿίʔυɾϑΥʔɾτΩϣදʗ σʔλɾϏδϡΞϥΠθʔγϣϯɾδϟύϯൃىਓ ৫ɿ߹ಉձࣾϊʔςʔγϣϯදࣾһʗࠃཱࠃձਤॻ ؗҕݚڀһʗ౦ژେֶۭؒใՊֶݚڀηϯλʔॴଐ IUUQOPUBUJPODPKQ ࡚༟Ұ
։࠵࣮ʹ͍ͭͯ ߨٛɾߨԋɿ੨ݝʗגࣜձཱࣾ࡞ॴʗਗ਼ਫݐઃ גࣜձࣾʗ૯ল౷ܭہʗઍ༿ݝྲྀࢁࢢʗཧใγ εςϜֶձʗσʔλΤΫενΣϯδίϯιʔγΞϜʗσ δλϧϋϦουʗ౦ւେֶʢεΫʔʹͯʣʗ౦ژେֶ $4*4د෦ʗࢁݝೆࢢʗຊܦࡁ৽ฉࣾʗ $PEF'PS+BQBOʗ'044()PLLBJEPʗ$PEF'PS4BHB ʗ)5.-+ʗ-0$"-(00%:0,0)"."ʗͳͲ ϫʔΫγϣοϓߨࢣɿγϒϠେֶʗֳʗถࠃେ ؗʗԣࢢܦࡁہʗ'044()PLLBJEPʗ.53-,:050
ʗͳͲ IUUQOPUBUJPODPKQMBOEJOH
σʔλϏδϡΞϥΠθʔγϣϯ ͱ
ʮσʔλʯ ʷ ʮϏδϡΞϥΠθʔγϣϯʯ ՄࢹԽ
ΠϯλʔωοτɾϒϥβͰ ૢ࡞Մೳͳ νϟʔτάϥϑɺਤ ݱࡏ
ૢ࡞ͯ͠ಈ͔ͤΔͱʮָ͍͠ʯ ͱ͍͏͜ͱ͚ͩͰͳ͘ʜ w ൺֱ͕Ͱ͖Δ w ΑΓࣗࣄʹͯ͠Β͏ w ଟ༷ͳϞϊͷݟํΛఏڙͰ͖Δ
ಈతͳදݱ͕Ͱ͖Δ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ FBSUI IUUQTFBSUIOVMMTDIPPMOFU
ରతͰ͋Δ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ ̩̥̥ڊେܦࡁݍͷ࣮ྗ IUUQTWEBUBOJLLFJDPNQSKUQQ
ఆੑσʔλΛఆྔతʹදݱͰ͖Δ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ ݪൃࣄނආऀͷ IUUQXXXOILPSKQOFXTGVLVTIJNBXPSEDMPVE
ΑΓৄࡉʹ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ #SFYJU Ψʔσ ΟΞϯࢴ IUUQTXXXUIFHVBSEJBODPNQPMJUJDTOHJOUFSBDUJWFKVOFVSFGFSFOEVNMJWFSFTVMUTBOEBOBMZTJT
৽͍͠୯Ґ ෳͷσʔλ͔Β࡞Δ৽͍͠ࢦඪ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ -FWFMJOHUIFpFMEʢΦϦϯϐοΫ֫ಘϝμϧʣ IUUQTMBOEJOHHPPHMFDPNBMUNFEBMUBCMF
ࢹΛม͑Δʢ၆ᛌͱݸผʣ ਿӜ߁ฏ͞Μ࡞ɹ࣌ؒ࣠มܗਤ σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ
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දݱͷ෯Λ֦ு σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ ΦʔϓϯσʔλσΠɾϩΰδΣωϨʔλ IUUQTUSVDUVSFBOESFQSFTFOUBUJPODPNXPSLTPEE
දݱͷ෯Λ֦ு σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ ࠤլͷసೖసग़ IUUQTUSVDUVSFBOESFQSFTFOUBUJPODPNXPSLTQSFGFDUVSBM.JHSBOUTTBHB
දݱͷ෯Λ֦ு σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ ͘·Ϟϯ IUUQTXXXGBDFCPPLDPNQIPUPQIQ GCJETFUBUZQFUIFBUFS
w ಈతͳදݱ͕Ͱ͖Δ w ରతͰ͋Δ w ఆੑσʔλΛఆྔతʹදݱͰ͖Δ w ΑΓৄࡉʹ w ৽͍͠୯Ґ
w ࢹΛม͑Δʢ၆ᛌͱݸผʣ w දݱͷ෯Λ֦ு σʔλϏδϡΞϥΠθʔγϣϯͳΒͰͷಛ
औΓΈࣄྫͷ͝հ
ࠃཱࠃձਤॻؗʢ/%-ʣ /%-σʔλར׆༻ϫʔΫγϣοϓ ʙΣϒɾΞʔΧΠϒͷ࣏ࣗମαΠτΛՄࢹԽ͠Α͏ʙ ࠃཱࠃձਤॻؗॳͷσʔλՄࢹԽΠϕϯτ ׂɿاըɺ࣮ࢪαϙʔτɺϝϯλʔ ར༻πʔϧɿ$BSUPɺ3"8ɺ%KTɺ1SPDFTTJOH ར༻σʔλɿ8"31ʢΣϒΞʔΧΠϒʣ IUUQMBCOEMHPKQDNT RWJTVBMJ[F
/%-͕อ༗͢ΔެతػؔͷΣϒΞʔΧΠϒͷ͏ͪɺ ํ࣏ࣗମσʔλΛར༻ͯ͠ՄࢹԽ࡞Λͭͬͨ͘ɻ IUUQWJTVBMJ[JOHKQOEMEBUBWJ[
ࢦͨ͜͠ͱ w 8"31ͷσʔλར׆༻ʢՄࢹԽʣͷࣄྫ࡞Γ w ํ࣏ࣗମ͝ͱͷҙ֎ͳಛɺҙ֎ͳؔ ੑΛσʔλ͔Β୳͠ग़͍ͨ͠ w ϋοΧιϯܗࣜͰɺҰൠͷํୡͷҙࣝΛ ࣋ͪࠐΜͰΒ͏
None
ࢀՃऀͷ࡞ IUUQMBCOEMHPKQDNT RWJTVBMJ[F IUUQTDPEFJRKQNBHB[JOF
None
ࠓޙͷల։ w ҕୗݚڀһͱͯ͠ɺσʔλϏδϡΞϥΠθʔγϣ ϯͷࣄྫ࡞ΓʹऔΓΉ w 8"31ͷ͍࣋ͬͯΔඇߏԽσʔλ͔Βɺߏ ԽσʔλΛऔΓग़ͯ͠ఆৗతʹఏڙͰ͖Δ Α͏ͳΈ࡞ΓΛޙԡ͍ͯ͘͠͠
3&4"4 3&4"4ͷڭՊॻʗ3&4"4ΛͬͯҬͷ՝Λൃݟ͠Α͏ʂ ׂɿΠϕϯτͷاըɺ࣮ࢪɺϝϯλʔɺॻ੶ͷࣥචXJUI$PEF'PS5PLZP
3&4"4ͱ w ౷ܭσʔλΛຊਤ্ʹࣔ͠ɺૢ࡞Ͱ͖ΔΑ͏ʹ ͢Δ͜ͱͰɺ୭Ͱײతʹ༰ΛཧղͰ͖Δ͜ͱ ΛΊͨ͟͠ΣϒαΠτɻ w ֤ಓݝɾࢢ۠ொଜͱ͍ͬͨํ࣏ࣗମ͕3&4"4 Λͬͯɺσʔλʹج͍ͮͨࡦܾఆΛߦ͏͜ͱ͕ ٻΊΒΕ͍ͯΔʢֳʹʣɻ IUUQTSFTBTHPKQ
3&4"4ͷීٴଅਐͷͨΊɺຽؒஂମͱͯ͠ ॳΊֳͯͱڞ࠵ͰϫʔΫγϣοϓΛ։࠵ɻ ࢀՃਓɿ໊ ৬ۀɿΤϯδχΞɺσβΠφʔɺσʔλαΠΤ ϯςΟετɺ৬һ
ࢀՃऀͷϫʔΫʢதؒՌʣ
IUUQXXXBNB[PODPKQEQ ʮষݩͰϫʔΫγϣοϓΛ։͜͏ʯΛ$PEF'PS5PLZPͰ୲
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3&4"4ͷڭՊॻ IUUQXXXBNB[PODPKQEQ ষ3&4"4ͰൃݟͰ͖Δ͜ͱ ষ3&4"4Ϛοϓ૯ཡ ষ࣏ࣗମɾҬͷੳࣄྫू ষ&YDFMͰ؆୯ʹͰ͖Δ౷ܭղੳ ʜ͓ͨʹදऔకখ୩༞Ұ࿕ࢯ ষڭҭݱʹ͓͚Δ׆༻ͷ࣮ࡍ ʜۚେֶদӜٛতࢯ ষݩͰϫʔΫγϣοϓΛ։͜͏
ʜ$PEFGPS5PLZP࡚༟Ұӿຊਅඒ ষਐԽΛଓ͚Δ3&4"4 ষ׆༻ΛՃ͢ΔΦʔϓϯσʔλू
w ѻ͍ͬͯΔσʔλΛͬͯʮώτɾϞϊɾΧωʯΛɹ ࠷େԽ͠Α͏ʂͱ͍͏ํੑ w ͢ͰʹҬʹ͋ΔಛಛੑɾࢿݯΛɺΑΓࡉ͔͘Ѳ͠ɺࢪࡦΛ࣮ߦ͢Δ 3&4"4ͷڭՊॻ 3&4"4ʹ͋Δσʔλͷ IUUQCZMJOFTOFXTZBIPPDPKQZB[BLJZVJDIJ
IUUQQFBUJYDPNFWFOU ʮ3&4"4ͷڭՊॻʯൃചه೦Πϕϯτ
ࠓޙͷల։ w ํٞһ3&4"4ϫʔΫγϣοϓɾϫʔΫ γϣοϓΛ։࠵༧ఆʢϢʔεσϞΫϥγʔͱ࿈ܞʣ w ํߦஂମϫʔΫγϣοϓߨٛͷ࣮ࢪ༧ఆ
$PEFGPS5PLZP ίʔυɾϑΥʔɾτΩϣ IUUQDPEFGPSUPLZP
$PEF'PS5PLZPͱ w ౦ژʹ͓͍ͯɺγϏοΫɾςοΫ׆ಈΛ͢Δஂମ w ઃཱ͔Β w l$PEF'PSʜzͱͭ͘ஂମશࠃͰҎ্
ࣗॿ ڞॿ W ʮߦͱॅຽɺσβΠφʔϓϩάϥϚʔɺσʔλੳՈͳͲ͕࿈ܞ ͯ͠ɺߦαʔϏεʹྨ͢ΔαʔϏεΛɺ*5ٕज़ΦʔϓϯσʔλΛ׆ ༻࣮ͯ͠ݱ͢ΔίϛϡχςΟ׆ಈΛࢦ͢ʯ ެॿ
$PEF'PS5PLZPͱ ʮख࡞Γͷ෮ݖʯ ʮࣾձ՝ͷՄࢹԽʯʢՄࢹԽͱղܾΛʣ ࣗͰ΄͍͠ͷΛࣗͰͭ͘Δɻ͢ΔͱԿ͔ʹৄ͘͠ͳΔɻ ਓʹԿ͔Λͯ͋͛͠ΔଆʹͳΔɻ৯ࣄͰ͓ͪΌͰެڞαʔ ϏεͰಉ͡Α͏ʹߟ͑ͯΈΔɻ ղܾʹ͍ͭͯɺͦΕͧΕͷܦݧݟɺઐੑʹͱ͍ͮͯɺ ୭͕ߟ͑ͯΑ͍ͷͩͱࢥ͍·͢ɻ
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5PLZPอҭԂϚοϓЌ൛ http://hoikuenmap.codefor.tokyo/ IUUQIPJLVFONBQDPEFGPSUPLZP
IUUQTXXXGBDFCPPLDPNFWFOUT BDUJWF@UBCQPTUT σʔλ͔ΒอҭԂΛߟ͑Δ$JWJD)BDL/JHIU5PLZP
อҭ࢜ɺอҭॴɺػࣇಐɺอҭ ॴͷӡӦऀͱ͍͏ͦΕͧΕʹ͍ͭ ͯɺϚΫϩͳࢹ͔ΒͷσʔλΛ ֓؍ɻ IUUQTTQFBLFSEFDLDPNDPEFGPSUPLZPEFUBLBSBCBPZVZVBOXPLBPFSV ࢀՃऀͷҙݟײ IUUQTQBQFSESPQCPYDPNEPD$JWJD)BDL/JHIU(7HIW8D6)[;&)N+KV5
ࠓޙͷల։ w ߦ͕ख͕ճ͍ͬͯͳ͍͜ͱΛɺͭͷͰͳ͘ɺ ࣗͨͪͰ࡞ͬͯ͠·͏ w ͍ۙ͠ҙࣝΛ͍࣋ͬͯΔਓͨͪΛר͖ࠐΉ w σʔλඪ४Խ w ڞ௨ޠኮج൘ʗ*1"४ڌ
w ϢʔβʔΠϯλʔϑΣΠεͷચ࿅ w σʔλΛଟ࣍ݩʹΈ͍͚ͯΔΑ͏ʹ
:BIPPΈΜͳͷ࣏ ࣾձ՝ΞΠσΞιϯ ׂɿϫʔΫγϣοϓͷϝϯλʔͱ࡞੍࡞ʢͷΈʣ IUUQTFJKJZBIPPDPKQZPVUIJEFBUIPO
IUUQTFJKJZBIPPDPKQZPVUIJEFBUIPO
IUUQTFJKJZBIPPDPKQZPVUIJEFBUIPOUBOR
IUUQTFJKJZBIPPDPKQZPVUIJEFBUIPOUPZBNB
ਆށࢢʷόϧηϩφࢢͷσʔλՄࢹԽΠϕϯτ 8PSME%BUB7J[$IBMMFOHF ׂɿΠϕϯτࢀՃͱهࣄࣥච IUUQLPCFCBSDFMPOBOFU
IUUQLPCFCBSDFMPOBOFU
None
ന͍ϨΰݸͰਆށࢢΛ࠶ݱ
ਆށࢢͷ࣍ϝογϡ4/4σʔλΛϓϩδΣΫγϣϯ ҬϝογϡʜҢɾܦʹج͍ͮͯҬΛಉ͡େ͖͞ͷͷʢϝογϡʣʹ͚ͨͷ
3DϓϦϯλࢪઃ
ظ 300 →150 IUUQLFOQMBU[OJLLFJCQDPKQBSUJDMFJUDPMVNO
ࠓޙͷల։ w όϧηϩφࢢͱਆށࢢͷఏܞΛهࣄԽ͠·ͨ͠ɻ w εϚʔτγςΟͷऔΓΈΛຊͷͲ͔͜Ͱ࣮ફͰ ͖ͳ͍͔ɻ IUUQCZMJOFTOFXTZBIPPDPKQZB[BLJZVJDIJ
·ͱΊ
ͳͥඞཁ͔ʁ ˠΘΒͳ͚Εҙຯ͕ͳ͍ डಈత Ϣʔβʔͷঢ়ଶ ͍ͬͯΔ Βͳ͍ ΤϯλϝߴΊͳ ૌٻ తͳૌٻ తͳૌٻ
ৄ͍͠આ໌͕Մೳ ೳಈత Ϣ ồ β ồ ͷ ࣝ
डಈత Ϣʔβʔͷঢ়ଶ ͍ͬͯΔ Βͳ͍ ΤϯλϝߴΊͳ ૌٻ తͳૌٻ తͳૌٻ ৄ͍͠આ໌͕Մೳ ೳಈత
Ϣ ồ β ồ ͷ ࣝ ͳͥඞཁ͔ʁ ˠΘΒͳ͚Εҙຯ͕ͳ͍
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