172 lines
10 KiB
TeX
172 lines
10 KiB
TeX
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\contentsline {section}{\numberline {1}Abstract}{2}{section.1}
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\contentsline {section}{\numberline {2}Acknowledgements}{3}{section.2}
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\contentsline {section}{\numberline {3}Glossary}{4}{section.3}
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\contentsline {section}{\numberline {4}Introduction}{9}{section.4}
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\contentsline {section}{\numberline {5}Problem Articulation}{11}{section.5}
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\contentsline {subsection}{\numberline {5.1}Problem Statement}{11}{subsection.5.1}
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\contentsline {subsection}{\numberline {5.2}Stakeholders}{11}{subsection.5.2}
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\contentsline {subsection}{\numberline {5.3}Project Motivation}{12}{subsection.5.3}
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\contentsline {subsection}{\numberline {5.4}Technical Specification}{14}{subsection.5.4}
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\contentsline {section}{\numberline {6}Quality Goals}{16}{section.6}
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\contentsline {subsection}{\numberline {6.1}Process Description}{16}{subsection.6.1}
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\contentsline {subsection}{\numberline {6.2}Quality Objectives}{16}{subsection.6.2}
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\contentsline {subsection}{\numberline {6.3}Tools to Ensure Quality}{17}{subsection.6.3}
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\contentsline {section}{\numberline {7}Literature Review}{18}{section.7}
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\contentsline {subsection}{\numberline {7.1}Existing Tools}{18}{subsection.7.1}
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\contentsline {subsection}{\numberline {7.3}Data Collection}{19}{subsection.7.3}
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\contentsline {subsubsection}{\numberline {7.3.1}Twitter and Twitter API}{19}{subsubsection.7.3.1}
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\contentsline {subsubsection}{\numberline {7.3.2}Tweepy Python Package}{20}{subsubsection.7.3.2}
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\contentsline {subsection}{\numberline {7.4}Sentiment Analysis}{21}{subsection.7.4}
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\contentsline {subsubsection}{\numberline {7.4.1}Natural Language Processing}{21}{subsubsection.7.4.1}
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\contentsline {subsubsection}{\numberline {7.4.2}Valence Aware Dictionary and sEntiment Reasoning}{22}{subsubsection.7.4.2}
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\contentsline {subsection}{\numberline {7.5}Neural Networks}{23}{subsection.7.5}
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\contentsline {subsubsection}{\numberline {7.5.1}Recurrent Neural Network (RNN)}{24}{subsubsection.7.5.1}
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\contentsline {subsubsection}{\numberline {7.5.2}Long-Short Term Memory (LSTM)}{25}{subsubsection.7.5.2}
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\contentsline {subsubsection}{\numberline {7.5.3}Keras and TensorFlow}{26}{subsubsection.7.5.3}
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\contentsline {subsection}{\numberline {7.6}Machine Learning}{29}{subsection.7.6}
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\contentsline {subsubsection}{\numberline {7.6.1}Naive Bayes}{29}{subsubsection.7.6.1}
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\contentsline {subsection}{\numberline {7.7}Bag Of Words}{30}{subsection.7.7}
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\contentsline {subsection}{\numberline {7.10}Regression Performance Metrics}{31}{subsection.7.10}
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\contentsline {section}{\numberline {8}Solution Approach}{33}{section.8}
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\contentsline {subsection}{\numberline {8.1}Data gathering}{33}{subsection.8.1}
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\contentsline {subsection}{\numberline {8.2}Data pre-processing}{34}{subsection.8.2}
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\contentsline {subsection}{\numberline {8.3}Spam Filtering}{34}{subsection.8.3}
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\contentsline {subsection}{\numberline {8.4}Language Detection}{35}{subsection.8.4}
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\contentsline {subsection}{\numberline {8.5}Sentiment Analysis}{35}{subsection.8.5}
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\contentsline {subsection}{\numberline {8.6}Neural Network}{36}{subsection.8.6}
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\contentsline {subsection}{\numberline {8.7}Price Forecasting}{38}{subsection.8.7}
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\contentsline {subsection}{\numberline {8.8}Frontend Application}{38}{subsection.8.8}
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\contentsline {subsection}{\numberline {8.9}With reference to Initial PID}{38}{subsection.8.9}
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\contentsline {subsection}{\numberline {8.11}Data flow Overview}{40}{subsection.8.11}
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\contentsline {subsection}{\numberline {9.1}Dataflow Designs}{41}{subsection.9.1}
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\contentsline {subsection}{\numberline {9.2}Interface Design}{48}{subsection.9.2}
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\contentsline {section}{\numberline {10}Implementation}{50}{section.10}
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\contentsline {subsection}{\numberline {10.1}Data collection}{50}{subsection.10.1}
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\contentsline {subsubsection}{\numberline {10.1.1}Price Time-Series Historical Data}{50}{subsubsection.10.1.1}
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\contentsline {subsubsection}{\numberline {10.1.2}Price Time-Series Live Data}{51}{subsubsection.10.1.2}
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\contentsline {subsubsection}{\numberline {10.1.3}Historical Tweet Collection}{52}{subsubsection.10.1.3}
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\contentsline {subsubsection}{\numberline {10.1.4}Live Tweet Collection}{54}{subsubsection.10.1.4}
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\contentsline {subsection}{\numberline {10.2}Data pre-processing}{56}{subsection.10.2}
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\contentsline {subsubsection}{\numberline {10.2.1}Tweet Filtering}{56}{subsubsection.10.2.1}
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\contentsline {subsubsection}{\numberline {10.2.2}Language detection filtering}{57}{subsubsection.10.2.2}
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\contentsline {subsubsection}{\numberline {10.2.3}Spam filter - Tokenisation, Ngrams, Stopword removal and Stemming}{59}{subsubsection.10.2.3}
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\contentsline {subsection}{\numberline {10.3}Spam Filtering}{60}{subsection.10.3}
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\contentsline {subsubsection}{\numberline {10.3.1}Naive Bayes model}{63}{subsubsection.10.3.1}
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\contentsline {subsubsection}{\numberline {10.3.2}Classification}{64}{subsubsection.10.3.2}
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\contentsline {subsubsection}{\numberline {10.3.3}Predict}{65}{subsubsection.10.3.3}
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\contentsline {subsubsection}{\numberline {10.3.4}Metrics}{65}{subsubsection.10.3.4}
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\contentsline {subsection}{\numberline {10.4}Sentiment Analysis}{66}{subsection.10.4}
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\contentsline {subsection}{\numberline {10.5}Recurrent Neural Network - LSTM}{67}{subsection.10.5}
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\contentsline {subsubsection}{\numberline {10.5.1}Dataset Creation}{67}{subsubsection.10.5.1}
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\contentsline {subsubsection}{\numberline {10.5.2}Training and Testing Model}{69}{subsubsection.10.5.2}
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\contentsline {subsection}{\numberline {10.6}Future Prediction Forecasting}{71}{subsection.10.6}
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\contentsline {subsection}{\numberline {10.7}User Interface}{73}{subsection.10.7}
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\contentsline {subsubsection}{\numberline {10.7.1}Key Functions}{73}{subsubsection.10.7.1}
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\contentsline {subsubsection}{\numberline {10.7.2}Final Interface}{76}{subsubsection.10.7.2}
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\contentsline {section}{\numberline {11}Testing Metrics and Accuracy}{77}{section.11}
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\contentsline {subsection}{\numberline {11.1}Integration Testing}{77}{subsection.11.1}
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\contentsline {subsection}{\numberline {11.2}Accuracy of Model \& Results}{78}{subsection.11.2}
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\contentsline {subsubsection}{\numberline {11.2.1}Results Discussion}{78}{subsubsection.11.2.1}
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\contentsline {subsubsection}{\numberline {11.2.2}Execution Speeds}{80}{subsubsection.11.2.2}
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\contentsline {section}{\numberline {12}Project Evaluation}{81}{section.12}
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\contentsline {section}{\numberline {13}Discussion: Contribution and Reflection}{81}{section.13}
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\contentsline {subsection}{\numberline {13.1}Limitations}{81}{subsection.13.1}
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\contentsline {section}{\numberline {14}Conclusion and Future Improvements}{82}{section.14}
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\contentsline {subsection}{\numberline {14.1}Conclusion}{82}{subsection.14.1}
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\contentsline {subsection}{\numberline {14.2}Future Improvements}{82}{subsection.14.2}
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\contentsline {section}{\numberline {15}Appendices}{87}{section.15}
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\contentsline {subsection}{\numberline {15.1}Appendix A - Project Initiation Document}{87}{subsection.15.1}
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\contentsline {subsection}{\numberline {15.2}Appendix B - Log book}{100}{subsection.15.2}
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