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PythonによるSNSクローリングと自然言語処理を用いたデータ分析・可視化
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knsk
September 12, 2018
Technology
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PythonによるSNSクローリングと自然言語処理を用いたデータ分析・可視化
knsk
September 12, 2018
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Transcript
1ZUIPOʹΑΔ4/4ΫϩʔϦϯάͱ ࣗવݴޠॲཧΛ༻͍ͨσʔλੳɾՄࢹԽ ,FOTVLF0IUB
ܦྺհ
എܠ • FiNCTI -;>500,LB )%!+ • [PS] ')#42?<Q1: R8(")
• SNS=H.9KENO/F 0A 5 M3 • CJG*#G$+ 6@ 7+&D ࡊιϜϦΤ ਓ 'J/$ఏܞܖ ΠϯϑϧΤϯαʔ ʢ'J/$Ξϯόαμʔʣ ਓ Ϟσϧ ୩ ཧܙ ϓϩαοΧʔબख ߳ ਅ࢘ ޒྠۚϝμϦετ ౡ ߁հ λϨϯτ Լ ༔ཬ ʛ #FBVUZˍ)FBMUIͷઐՈ ਓ ΞεϦʔτϑʔυ ϚΠελʔ ਓ 'J/$ఏܞܖ ϔϧεέΞઐՈ ʢӫཆ࢜ɾཧӫཆ࢜ɾ τϨʔφʔʣ ' J / $ Φ ϑ Ο γ ϟ ϧ α ϙ ʔ λ ʔ ঁ༏ ࢁ ཧ໊ ϤΨΠϯετϥΫλʔ .":6,0 ,ϑΝΠλʔ খᖒւే ສਓ ֤छ4/4ϑΥϩϫʔ ϑΟοτωε ϤΨʹؔ৺ߴ
ࠓͷ͓ • • SNS •
ࠓͷ͓ • • SNS •
γεςϜͷ֓ཁ ࣗવݴޠॲཧ 42-Ͱूܭ σʔλऩू σʔλऩू σʔλऩू σʔλੳ
ࠓͷ͓ • • SNS •
4/4σʔλͷࣗવݴޠॲཧ • $* &!+,$ ( (")$ ) ' FiNC
#% MeCab#mecab-python3# NFDBC ͢ͷ͏ͪ ͢ ໊ࢺ Ұൠ ͢ εϞϞ εϞϞ ॿࢺ ॿࢺ Ϟ Ϟ ໊ࢺ Ұൠ ϞϞ ϞϞ ॿࢺ ॿࢺ Ϟ Ϟ ໊ࢺ Ұൠ ϞϞ ϞϞ ͷ ॿࢺ ࿈ମԽ ͷ ϊ ϊ ͏ͪ ໊ࢺ ඇཱࣗ ෭ࢺՄೳ ͏ͪ ν ν &04
• • *+'$) ,,, "- ! •
stop words %&- #- (! • word_cloud: https://github.com/amueller/word_cloud 4/4σʔλͷࣗવݴޠॲཧ ΰϧϑΞϯόαμʔͷ"͞Μ ϤΨΞϯόαμʔͷ#͞Μ
4/4σʔλͷࣗવݴޠॲཧ • 10 • %!' 0 & 0
• "*.$#( 10+/) • 2, nodeedge3- ΰϧϑ ϑΟοτωε ঁࢠ உࢠ ΣΞ Πϯελ ΰϧϑ෦ τϨʔχϯάΣΞ τϨʔχϯά HPMG εϙʔπ ίʔσ ΰϧϑ ϑΟοτωε ঁࢠ உࢠ ΣΞ Πϯελ ΰϧϑ෦ τϨʔχϯάΣΞ τϨʔχϯά HPMG εϙʔπ ίʔσ ڞىޠߦྻ ڞىޠωοτϫʔΫ
ࣗવݴޠॲཧɾՄࢹԽʹ༻ͨ͠ϥΠϒϥϦ • • mecab-python3: https://github.com/SamuraiT/mecab-python3 • •
word_cloud: https://github.com/amueller/word_cloud • • scikit-learn: http://scikit-learn.org • • NetworkX: https://networkx.github.io • matplotlib: https://matplotlib.org
ࠓͷ͓ • • SNS •
·ͱΊ • Python ;6=>07< SNS38/15@ *& +'"*29
• Python-A:4)+$($.?>%!#)+, B ΰϧϑΞϯόαμʔͷ"͞Μ ϤΨΞϯόαμʔͷ#͞Μ
/ / . / αʔόʔαΠυΤϯδχΞ ػցֶशɾ"*ΤϯδχΞ
ΫϥΠΞϯτΤϯδχΞ 4XJGU,PUMJOͰେنͳΫϥΠΞϯτ։ൃΛ ࢼ͍ͨ͠ํ σδλϧϔϧεྖҬͰ%FFQMFBSOJOHΛۦ͠ɺ "*ٕज़Λ࣮ફͰߴΊ͍ͨํʂ 3VCZPO3BJMTΛϝΠϯʹϚΠΫϩαʔϏεͷ ઃܭ͔Β࣮·Ͱߦ͍͖͍ͬͯͨํ