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201128_mishimasyk
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t_kahi
November 28, 2020
Science
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1.5k
201128_mishimasyk
KNIMEを使ったデータ前処理について
t_kahi
November 28, 2020
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Transcript
NJTIJNBTZL!U@LBIJ ͦͷφΠϜ ,/*.& Ͱѱເ ίϐϖ ΛஅͪΕ
w 1, !U@LBIJ w ༀձࣾݚڀһ *OWJUSPQIBSNBDPMPHJTU w ओͳۀʜ ɾBTTBZEFWFMPQNFOU
ESVHTDSFFOJOH ɾ5BSHFUWBMJEBUJPO"OBMZTJTPG.PEFPG"DUJPO ɾ,/*.&ΛͬͨݚڀۀͷޮԽ ࣗݾհ
,/*.&BOBMZUJDTQMBUGPSNͱ w ϫʔΫϑϩʔܕσʔλੳϓϥοτϑΥʔϜ w ແঈͷΦʔϓϯιʔειϑτΣΞ w ʢ༗ঈͷ,/*.&TFSWFS͋ΔΑʣ w (6*ͰײతʹΘ͔Γ͍͢ w
IUUQTXXXLOJNFDPN
ࢲͷࣄͱ,/*.& ɾඇϧʔνϯۀͷ߹ɿԾઆΛ࣮ݧͰݕূͯ͠σʔλΛ·ͱΊͯੳ͠ɺݕূ͢Δ ɾϧʔνϯۀͷ߹ɿධՁ݁ՌΛૉૣ͘ղੳ͠ϑΟʔυόοΫ͢Δ ˠͲͪΒʹͯ͠σʔλͷղੳ͕ඞͣೖΔ
ࢲͷࣄͱ,/*.& σʔλΛجʹԾઆΛཱͯΔ෦ʹҰ൪࣌ؒΛ͍͍ͨɺͱօ͕ߟ͍͑ͯΔ ˠ݁Ռతʹσʔλղੳ͕ૄ͔ʹͳΓ͕ͪʹͳΔ શһ͕͜͜ΛָʹͰ͖Ε)BQQZͳ৬ʹͳΔͷͰͳ͍͔
༷ʑͳଌఆஔΛͬͯσʔλΛऔಘ͢Δ ଌఆ ஔ ܬޫɾൃޫଌఆ ֤छϓϨʔτϦʔμʔ ࡉ๔ΞοηΠ '-*13 'MVPSPNFUSJD*NBHJOH 1MBUF3FBEFS N3/"ྔ
ϦΞϧλΠϜ1$3ஔ ࡉ๔છ৭ )JHI$POUFOU*NBHFS FH*/ $FMMBOBMZ[FS
ଌఆஔ͔Βग़ྗ͞ΕΔใ౷Ұ͞Ε͍ͯͳ͍ w XFMM XFMMͷϓϨʔτͱಉ༷ͷܗࣜʹͳ͍ͬͯΔ w ֤8FMMͷใ͕ߦ͝ͱʹදࣔ͞ΕΔܗࣜ w ݚڀऀ&YDFMΛͬͯɺଌఆͱใΛཧͯ͠ՄࢹԽ͢Δ͜ͱ͕ଟ͍ w ݸผͷάϥϑ࡞ʹ͕͔͔࣌ؒΔɽίϐϖϛε͕ى͖Δɽվ᜵͕༰қɽ
ͳͥՄࢹԽ͕͍͠ͷ͔ˠUJEZEBUBͰͳ͍͔Β σʔλ͕UJEZEBUBʹͳ͍ͬͯΕ؆୯ʹάϥϑԽͰ͖Δ
σʔλΛՄࢹԽ͢Δͱ͖UJEZEBUB͕·͍͠ w વσʔλͱ ݸʑͷม͕ͭͷྻΛͳ͢ ݸʑͷ؍ଌ͕ͭͷߦΛͳ͢ ݸʑͷ؍ଌͷߏ୯Ґͷྨܕ͕ͭͷදΛͳ͢
ݸʑͷ͕ͭͷηϧΛͳ͢ w ͱ͍͏ͭͷ݅Λຬͨͨ͠දܕͷσʔλͷ͜ͱͰ͋Γߏͱҙຯ͕߹க͢Δͱ͍͏ಛΛ࣋ͭ w IUUQTJEGOTISJOGPUJEZEBUBJOUSP
5JEZEBUBͷΘ͔Γ͍࣮͢ྫ IUUQTJEGOTISJOGPUJEZEBUBJOUSP ఱؾͷهΛσʔλʹͨ͠ྫɻਓؒʹͱ͔ͬͯΓ͍͢ܗ Λ͍ͯ͠Δ͕ɺવͰͳ͍ɻ ʢ੨ʣྻʹͳ͍ͬͯΔ͕ɺ࣌ࠁʢʣߦʹͳ͍ͬͯ Δɻఱؾʢԫʣෳͷྻͱߦʹ·͕͍ͨͬͯΔɻ વσʔλͰɺม͕ͲͷΑ͏ʹද͞ΕΔ͔Λࣔͨ͠ྫɻ ʢ੨ʣɾ࣌ࠁʢʣɾఱؾʢԫʣͱ͍͏ͭͷมɺ ͯ͢ྻͱͯ͠දݱ͞Ε͍ͯΔɻ
વσʔλʹɺͭͷߏ্ͷ୯Ґͱͭͷҙຯ্ͷ୯Ґ ͱ͕ରԠ͍ͯ͠Δͱ͍͏ಛ͕͋Δɻྫ͑ɺવσʔλʹ ͓͍ͯɺͭͷྻͱ͍͏ߏ্ͷ୯Ґ͕ɺͭͷมͱ͍ ͏σʔλͷҙຯ্ͷ୯ҐʹඞͣରԠ͢Δɻ ߏͱҙຯͱ͕߹க͍ͯ͠Δͱɺੳඇৗʹ༰қʹͳΔɻ
༷ʑͳଌఆஔͷσʔλΛ,/*.&Ͱࣗಈม͢Δ ଌఆ ஔ ܬޫɾൃޫଌఆ ֤छϓϨʔτϦʔμʔ ࡉ๔ΞοηΠ '-*13 'MVPSPNFUSJD*NBHJOH 1MBUF3FBEFS N3/"ྔ
ϦΞϧλΠϜ1$3ஔ ࡉ๔છ৭ )JHI$POUFOU*NBHFS FH*/ $FMMBOBMZ[FS 5JEZEBUB
,/*.&XPSLGMPX ͜ͷྫͰߦͱྻͷใͰ݁߹͢Δ ͚͕ͩͩɺॲཧΛ࣮ࢪͨ͠Γɺ *$Λܭࢉͨ͠ΓՄೳ
σʔλ४උ 1MBUF-BZPVU ࣮ࡍͷ࣮ݧऀϓϨʔτఴՃͷใΛهೖ ͢ΔͷͰMBZPVUใΛॻ͘ͷۤ͡Όແ͍ 3BXEBUB
,/*.&XPSLGMPXઆ໌ ϑΝΠϧ໊ͱ63-औಘ -JTUpMFTͰϑΝΠϧใΛऩू 63-UP'JMF1BUIͰ'JMFOBNFΛऔಘ 'JMFOBNFΛΩʔʹͯ͠දΛͭͳ͛Δ
,/*.&XPSLGMPXઆ໌ ઢWBSJBCMFʢมʣͷड͚͠ ϓϨʔτϑΥʔϚοτܗࣜͷσʔλΛมͯ͘͠ΕΔ
,/*.&XPSLGMPXઆ໌ ઢWBSJBCMFʢมʣͷड͚͠ &YDFMSFBEFSͰ ಡΈࠐΈ $FMMTQMJUUFSͰߦ ͱྻΛ͚Δ 3PXDPOWFSUFSͰ ߦͷӳޠΛʹ ม
,/*.&XPSLGMPXઆ໌ IUUQTXXXULBIJDPNFOUSZ σʔλߏ͕ҟͳ͍͍ͬͯΑ͏ʹɺϧʔϓऴྃ࣌ʹμϛʔ ςʔϒϧΛͬͯσʔλߏΛҰఆʹอͭ ಡΈࠐΜͩϨΠΞτϑΝΠϧͱੜσʔλ Λอଘ༻ϑΥϧμʹҠߦ͢Δ ग़ྗͨ͠FYDFMpMFΛTQPUpSF ͱ͔ͰՄࢹԽ͢Δ
,/*.&ͰՄࢹԽΛ͢Δ߹ɺɺɺ 3ͷΠϯετʔϧͱ3TFSWFͷઃఆ͕ඞཁ͚ͩͲɺ ʮ%PTFSFTQPOTFʯϊʔυ͕Ұ൪ྑ͍
·ͱΊ w ଌఆ݁ՌͷੜͱϨΠΞτใΛ8PSLqPXͰલॲཧͯ͠UJEZEBUBʹ͢Δ w ग़ྗͨ͠σʔλ5*#$04QPUpSFͰՄࢹԽ͢Δɽ,/*.&্ͷQMPUMZϊʔυͰ ՄࢹԽͯ͠ྑ͍ʢ࠷ޙͷग़ྗΛάϥϑʹ͢Δ w ࣮ݧݚڀऀͷݱͰߟ͑Δͱɺ֤छػց͔Βग़ྗ͞ΕΔ݁ՌΛવσʔλʹ Ճͯ͠σʔλՄࢹԽΛָʹ͢Δ͜ͱʹՁ͕͋Δ w
ͪΖΜ,/*.&ػցֶशͦͷଞ౷ܭॲཧͷπʔϧɺ3&45"1*Λͬͯ ֎෦%#ͷใΛूͨ͠Γͱ༷ʑͳ༻్ʹ༻Ͱ͖Δ
ͦͷଞۀͰ׆༻͍ͯ͠Δ͜ͱ w ϧʔνϯͷεΫϦʔχϯάۀ ˠੜσʔλ͔Β%#ొ·ͰΛ,/*.&XPSLqPXͰ݁ɽίϐϖ࡞ۀແ͠ ˠσʔλվ᜵ࢭʹՃ͑ͯ࡞ۀһͷෛ୲͕େ෯ݮ w େྔσʔλͷલॲཧɾܭࢉ ˠ)$"3/"TFRͷσʔλΛલॲཧɺܭࢉͯ͠ՄࢹԽ͍͢͠σʔλʹ w ֤छϧʔνϯۀͰͷ׆༻
ˠ࡞ۀһ͕ίϐϖͰ࣮ࢪ͍ͯͨ͠࡞ۀʢྫ͑εϥΠυʹը૾ΛτϦϛϯά͠ ͯషΓ͚Δ࡞ۀʣΛࣗಈԽ͢Δ͜ͱͰΛେ෯ݮ
࠷ۙײ͍ͯ͡Δ͜ͱ w Ұਓ͚ͩ,/*.&Λ͑ΔΑ͏ʹͳͬͯશମ࠷దԽʹͭͳ͕Βͳ͍ w ීٴ׆ಈΛ࢝ΊͯࣾͰීஈͷ࣮ݧۀͷσʔλղੳʹ,/*.&Λಋೖͯ͠ ͍Δํʑ͕૿͖͑ͯͨ ˠXPSLqPXΛҰ࡞ͬͯ͋͛ΔͱࣗͨͪͰͦΕΛվม͠ͳ͕Βษڧͯ͘͠ ΕΔ w खΛಈ͔࣮ͯ͠ݧ͠ɺσʔλΛղੳ͍ͯ͠Δݱͷਓ͕ͨͪ,/*.&Λͬͯ
ੜ࢈ੑΛ্͛ΒΕΔΑ͏ʹɺҾ͖ଓ͖ࣾͰͦͦͱ׆ಈத
͓·͚ɿ,/*.&ˠՄࢹԽʹ͍ͭͯ w ձࣾͰ4QPUpSFͱͷ࿈ܞ͕Ұ൪ָ w ,/*.&͔Β5BCMFBVɺ1PXFS#*ͱͷ࿈ܞ͕ڧԽ͞Εͨ IUUQTEPDTLOJNFDPNUBCMFBV@JOUFHSBUJPO@VTFS@HVJEFJOEFYIUNM IUUQTEPDTLOJNFDPNQPXFSCJ@JOUFHSBUJPO@VTFS@HVJEFJOEFYIUNM w 5BCMFBV༗ྉͷΈɽ1PXFS#*ແྉ൛͋Δ͚Ͳɺ৫ΞΧϯτ͕͍Δ
ͷͱɺ.BDͰ͑ͳ͍ͷͰͳ͔ͳ͔ख͕ग़ͤͳ͍ɽɽɽ
͓·͚ɿ,/*.&7FSJGJFE$PNQPOFOUT IUUQTXXXLOJNFDPNWFSJpFEDPNQPOFOUT