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題名 應用情感分析於指數型證券投資信託基金趨勢預測之研究
Research into sentimental analysis to predict exchange-traded fund trend
作者 黃泓銘
Huang, Hung-Ming
貢獻者 姜國輝
Chiang, Kuo-Huie
黃泓銘
Huang, Hung-Ming
關鍵詞 情感分析
LDA主題模型
支援向量機
ETF
Sentimental analysis
LDA
SVM
ETF
日期 2017
上傳時間 28-Aug-2017 11:24:26 (UTC+8)
摘要 近年來ETF規模快速成長,亞洲區域經濟成長與穩步發展更是帶動國際ETF市場動力來源,而元大台灣50指數型證券投資信託基金因規模大,受到投資人的青睞。根據過去的研究指出,網路上的文本訊息會對群眾情緒造成影響,進而影響股價波動,對投資者而言,若能從大量網路財金快速分析投資者大眾情緒進而預測股價波動走勢,勢必可提高報酬率。然而,每日有上百篇的財金文本產生,人工分析耗時耗力,本研究採用文字探勘技術,提出一套情感分析的價格預測模型。
過去文本情感分析的研究中已證實監督式學習方法可以透過簡單量化的方式達到良好的分類效果,然而,為解決監督式學習無法預期未知的限制,本研究透過非監督式學習將2016整年度的財金文本進行文章主題判別,計算情緒指數並標記文本情緒傾向,再來使用監督式學習結合台股資訊指標、國際指標、總體經濟指標、技術指標等,建立分類模型以預測元大台灣50ETF的價格趨勢。
實驗結果中,主題標注方面,本研究發現因文本數量遠大於議題詞數量造成TF-IDF矩陣過於稀疏,使得TF-IDF結合K-means主題模型分類效果不佳。LDA主題模型基於所有主題被所有文章共享的特性,使得在字詞分群優於TF-IDF結合K-means。情緒傾向標注方面,證實本研究擴充後的情感詞集比起NTUSD有更好的字詞極性判斷效果。
本研究透過比較情緒指數結合技術指標之分類模型與單純技術指標分類模型的準確率發現,前者較後者高出7%的準確率。進一步結合間接情緒指標的分類模型更有71%準確率,故證實財金文本的情感分析確實能有效提升元大台灣50的價格趨勢預測。
Rapid and stable economic growth in Asia motivated the asset scale of ETF in the globe growing rapidly in the recent years. Yuanta Taiwan Top 50 ETF gains the investors’ favor because of the advantages of large market scale. Past research have shown that the text documents on the internet, e.g. news and tweets, would make great effect on public emotion, and the public emotion could even affect the stock price. For investors, it is important to know how to analyze the potential emotion in text documents to predict the stock trend. However, the traditional way to analyze text documents by human cannot afford the large volume of financial text documents on the internet.
In past sentimental analysis research, supervised method is proven as a method with high accuracy, but there are limits about predicting unknown future trend. This research combined supervised and unsupervised methods to deal with these large financial text documents. By using unsupervised method to find out the topic of documents, and then calculate the sentimental index of each documents to differentiate the sentiment polarity. Afterwards, using supervised method to build a prediction model with the sentimental index.
According to the result, we found that the performance of LDA model is better than the TF-IDF with K-means model. Moreover, the prediction model which include the sentiment index has higher accuracy than the one include the technical indicators only.
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[ 3 ] Barber, B.“Noise trader risk, odd-lot trading, and security returns,” Working Paper, University of California at Davis, 1999
[ 4 ] Chan WJ, Cheng KC, Shieh JM, Fong Y, Chang JM, Chuang SS, Ko SC., Mediastinal hemangiomatosis. Thorac Med , 19,125-131, 2004
[ 5 ] Corinna Cortes Vladimir Vapnik, “Support-Vector networks” Machine Learning, pp.273-297, 1995
[ 6 ] D. Blei, A. Ng, and M. Jordan. Latent Dirichlet allocation.Journal of Machine Learning Research, 3:993–1022,January 2003.
[ 7 ] Devitt, A. and K. Ahmad 2007. Sentiment Polarity Identification in Financial News: A Cohesion-Based Approach. Association of Computational Linguistics, Prague, Czech Republic.
[ 8 ] E. Cambria and A. Hussain. Sentic Computing: Techniques, Tools, and Applications. Dordrecht, Netherlands: Springer, ISBN: 978-94-007-5069-2, 2012
[ 9 ] Feldman, Techniques and applications for sentiment analysis, 2013
[ 10 ] Giovanni Vigna, The wall street journal-0424, 2013
[ 11 ] Griffiths, T. L., & Steyvers, M. Finding scientific topics. Proceedings of the National Academy of Sciences, 101, 5228-5235, 2004
[ 12 ] H. (Sam) Han, G. Karypis, and V. Kumar, “Text Categorization Using Weight Adjusted k-Nearest Neighbor Classification,” in Advances in Knowledge Discovery and Data Mining, D. Cheung, G. J. Williams, and Q. Li, Eds. Springer Berlin Heidelberg, 2001, pp. 53–65.
[ 13 ] Harris Drucker, Support Vector Machines for Spam Categorization, 1999
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[ 15 ] Jonathan Taplin, Twitter tool delves into the sentiment of social media, 2013
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[ 17 ] Liu, “Sentiment Analysis and Opinion Mining,” Synthesis Lectures on Human Language Technologies, vol. 5, no. 1, pp. 1–167, May 2012.
[ 18 ] M. Qamar, E. Gaussier, J.-P. Chevallet, and J.-H. Lim, “Similarity Learning for Nearest Neighbor Classification,” in Eighth IEEE International Conference on Data Mining, 2008. ICDM ’08, pp. 983–988, 2008
[ 19 ] Mishne, G. and de Rijke, M., MoodViews: Tools for Blog Mood Analysis, AAAI 2006 Spring Symposium on Computational Approaches to analyzing Weblogs (AAAI-CAAW2006), 2006.
[ 20 ] Newman, Hage, Chemudugunta, Smyth. Subject Metadata Enrichment using Statistical Topic Models. JCDL : 366-375, 2007
[ 21 ] Pang and L. Lee, “Opinion Mining and Sentiment Analysis,” Found. Trends Inf. Retr., vol. 2, no. 1–2, pp. 1–135, Jan. 2008.
[ 22 ] Pang and Lee. Opinion mining and sentiment analysis, 2008
[ 23 ] Pang, L. Lee, and S. Vaithyanathan, “Thumbs Up?: Sentiment Classification Using Machine Learning Techniques,” in Proceedings of the ACL-02 Conference on Empirical Methods in Natural Language Processing - Volume 10, Stroudsburg, PA, USA, pp. 79–86, 2002
[ 24 ] Pang, L. Lee, and S. Vaithyanathan, “Thumbs Up?: Sentiment Classification Using Machine Learning Techniques,” in Proceedings of the ACL-02 Conference on Empirical Methods in Natural Language Processing - Volume 10, Stroudsburg, PA, USA, pp. 79–86, 2002
[ 25 ] Soliman, Utilizing support vector machines in mining online customer reviews, 2012
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描述 碩士
國立政治大學
資訊管理學系
103356022
資料來源 http://thesis.lib.nccu.edu.tw/record/#G0103356022
資料類型 thesis
dc.contributor.advisor 姜國輝zh_TW
dc.contributor.advisor Chiang, Kuo-Huieen_US
dc.contributor.author (Authors) 黃泓銘zh_TW
dc.contributor.author (Authors) Huang, Hung-Mingen_US
dc.creator (作者) 黃泓銘zh_TW
dc.creator (作者) Huang, Hung-Mingen_US
dc.date (日期) 2017en_US
dc.date.accessioned 28-Aug-2017 11:24:26 (UTC+8)-
dc.date.available 28-Aug-2017 11:24:26 (UTC+8)-
dc.date.issued (上傳時間) 28-Aug-2017 11:24:26 (UTC+8)-
dc.identifier (Other Identifiers) G0103356022en_US
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/112151-
dc.description (描述) 碩士zh_TW
dc.description (描述) 國立政治大學zh_TW
dc.description (描述) 資訊管理學系zh_TW
dc.description (描述) 103356022zh_TW
dc.description.abstract (摘要) 近年來ETF規模快速成長,亞洲區域經濟成長與穩步發展更是帶動國際ETF市場動力來源,而元大台灣50指數型證券投資信託基金因規模大,受到投資人的青睞。根據過去的研究指出,網路上的文本訊息會對群眾情緒造成影響,進而影響股價波動,對投資者而言,若能從大量網路財金快速分析投資者大眾情緒進而預測股價波動走勢,勢必可提高報酬率。然而,每日有上百篇的財金文本產生,人工分析耗時耗力,本研究採用文字探勘技術,提出一套情感分析的價格預測模型。
過去文本情感分析的研究中已證實監督式學習方法可以透過簡單量化的方式達到良好的分類效果,然而,為解決監督式學習無法預期未知的限制,本研究透過非監督式學習將2016整年度的財金文本進行文章主題判別,計算情緒指數並標記文本情緒傾向,再來使用監督式學習結合台股資訊指標、國際指標、總體經濟指標、技術指標等,建立分類模型以預測元大台灣50ETF的價格趨勢。
實驗結果中,主題標注方面,本研究發現因文本數量遠大於議題詞數量造成TF-IDF矩陣過於稀疏,使得TF-IDF結合K-means主題模型分類效果不佳。LDA主題模型基於所有主題被所有文章共享的特性,使得在字詞分群優於TF-IDF結合K-means。情緒傾向標注方面,證實本研究擴充後的情感詞集比起NTUSD有更好的字詞極性判斷效果。
本研究透過比較情緒指數結合技術指標之分類模型與單純技術指標分類模型的準確率發現,前者較後者高出7%的準確率。進一步結合間接情緒指標的分類模型更有71%準確率,故證實財金文本的情感分析確實能有效提升元大台灣50的價格趨勢預測。
zh_TW
dc.description.abstract (摘要) Rapid and stable economic growth in Asia motivated the asset scale of ETF in the globe growing rapidly in the recent years. Yuanta Taiwan Top 50 ETF gains the investors’ favor because of the advantages of large market scale. Past research have shown that the text documents on the internet, e.g. news and tweets, would make great effect on public emotion, and the public emotion could even affect the stock price. For investors, it is important to know how to analyze the potential emotion in text documents to predict the stock trend. However, the traditional way to analyze text documents by human cannot afford the large volume of financial text documents on the internet.
In past sentimental analysis research, supervised method is proven as a method with high accuracy, but there are limits about predicting unknown future trend. This research combined supervised and unsupervised methods to deal with these large financial text documents. By using unsupervised method to find out the topic of documents, and then calculate the sentimental index of each documents to differentiate the sentiment polarity. Afterwards, using supervised method to build a prediction model with the sentimental index.
According to the result, we found that the performance of LDA model is better than the TF-IDF with K-means model. Moreover, the prediction model which include the sentiment index has higher accuracy than the one include the technical indicators only.
en_US
dc.description.tableofcontents 第壹章、 概論 8
一、 研究背景 8
二、 研究動機 10
三、 研究目的 11
第貳章、 文獻探討 13
一、 指數型證券投資信託基金(Exchange Traded Fund, ETF) 13
1、 ETF的定義 13
2、 ETF的特色 13
二、 情感分析(Sentiment Analysis) 16
1、 情感分析的定義 16
2、 情感分析方法 17
3、 情感分析與股價之相關性研究 18
三、 主題模型 20
1、 TF-IDF結合K-means主題模型 20
2、 隱含狄利克雷分布主題模型(LDA) 22
四、 分類演算法(Classification Algorithm) 25
1、 最近鄰居法(k- Nearest Neighbor, kNN) 25
2、 簡單貝氏分類器(Naïve Bayes) 26
3、 支援向量機(Support Vector Machine, SVM) 27
第參章、 研究方法 30
一、 資料蒐集(Data Collection) 31
二、 文本前處理(Document Preprocessing) 32
1、 中文斷詞(Segmentation / Tokenization) 32
2、 詞性標注(Part-of-Speech Tagging) 32
3、 否定詞處理(Negation Process) 33
4、 副詞處理 33
5、 詞性過濾(POS Filtering) 33
6、 字詞頻率計算 35
三、 文本主題標注 36
1、 找出文本熱門議題詞 36
2、 建立主題模型 37
3、 判斷文本主題 39
四、 情緒傾向標注(Sentiment Orientation) 40
1、 建立情感詞集(Building Sentiment Term Set) 40
2、 情緒傾向標注 42
五、 建立分類模型與效果衡量(Classification Model) 42
1、 向量空間分類模型建立 42
2、 分類的效果衡量 43
第肆章、 研究結果 44
一、 財金文本資料蒐集結果 44
二、 文本標注結果與討論 45
1、 篩選文本熱門議題詞 45
2、 建立主題模型 45
3、 文本主題標記 48
4、 主題標注實驗結果討論 49
三、 情緒傾向標注結果與討論 49
1、 建立情感詞集 49
2、 情緒指數計算與情緒傾向標注 50
3、 情緒指數與MACD趨勢線圖分析 50
四、 分類模型實驗結果 54
1、 優化分類模型 55
2、 分類模型結果討論 56
第伍章、 研究結論與建議 57
一、 結論 57
1、 主題模型 57
2、 情緒傾向標注 57
3、 分類模型 58
二、 未來研究建議 58
第陸章、 參考文獻 59
zh_TW
dc.format.extent 1352026 bytes-
dc.format.mimetype application/pdf-
dc.source.uri (資料來源) http://thesis.lib.nccu.edu.tw/record/#G0103356022en_US
dc.subject (關鍵詞) 情感分析zh_TW
dc.subject (關鍵詞) LDA主題模型zh_TW
dc.subject (關鍵詞) 支援向量機zh_TW
dc.subject (關鍵詞) ETFzh_TW
dc.subject (關鍵詞) Sentimental analysisen_US
dc.subject (關鍵詞) LDAen_US
dc.subject (關鍵詞) SVMen_US
dc.subject (關鍵詞) ETFen_US
dc.title (題名) 應用情感分析於指數型證券投資信託基金趨勢預測之研究zh_TW
dc.title (題名) Research into sentimental analysis to predict exchange-traded fund trenden_US
dc.type (資料類型) thesisen_US
dc.relation.reference (參考文獻) [ 1 ] Baker, M. and J. Wurgler. Investor sentiment and the cross-section of stock returns, Journal of Finance, 4, 1645-1680, 2006
[ 2 ] Ballve, M.. Big Data Will Drive The Next Phase Of Innovation In Mobile Computing, 2013
[ 3 ] Barber, B.“Noise trader risk, odd-lot trading, and security returns,” Working Paper, University of California at Davis, 1999
[ 4 ] Chan WJ, Cheng KC, Shieh JM, Fong Y, Chang JM, Chuang SS, Ko SC., Mediastinal hemangiomatosis. Thorac Med , 19,125-131, 2004
[ 5 ] Corinna Cortes Vladimir Vapnik, “Support-Vector networks” Machine Learning, pp.273-297, 1995
[ 6 ] D. Blei, A. Ng, and M. Jordan. Latent Dirichlet allocation.Journal of Machine Learning Research, 3:993–1022,January 2003.
[ 7 ] Devitt, A. and K. Ahmad 2007. Sentiment Polarity Identification in Financial News: A Cohesion-Based Approach. Association of Computational Linguistics, Prague, Czech Republic.
[ 8 ] E. Cambria and A. Hussain. Sentic Computing: Techniques, Tools, and Applications. Dordrecht, Netherlands: Springer, ISBN: 978-94-007-5069-2, 2012
[ 9 ] Feldman, Techniques and applications for sentiment analysis, 2013
[ 10 ] Giovanni Vigna, The wall street journal-0424, 2013
[ 11 ] Griffiths, T. L., & Steyvers, M. Finding scientific topics. Proceedings of the National Academy of Sciences, 101, 5228-5235, 2004
[ 12 ] H. (Sam) Han, G. Karypis, and V. Kumar, “Text Categorization Using Weight Adjusted k-Nearest Neighbor Classification,” in Advances in Knowledge Discovery and Data Mining, D. Cheung, G. J. Williams, and Q. Li, Eds. Springer Berlin Heidelberg, 2001, pp. 53–65.
[ 13 ] Harris Drucker, Support Vector Machines for Spam Categorization, 1999
[ 14 ] Johan Bollen1, Huina Mao1, Xiao-Jun Zeng. Twitter mood predicts the stock market. 2010
[ 15 ] Jonathan Taplin, Twitter tool delves into the sentiment of social media, 2013
[ 16 ] Kumar, A., Lee, C. M. C. Retail Investor Sentiment and Return Comovements, 2006
[ 17 ] Liu, “Sentiment Analysis and Opinion Mining,” Synthesis Lectures on Human Language Technologies, vol. 5, no. 1, pp. 1–167, May 2012.
[ 18 ] M. Qamar, E. Gaussier, J.-P. Chevallet, and J.-H. Lim, “Similarity Learning for Nearest Neighbor Classification,” in Eighth IEEE International Conference on Data Mining, 2008. ICDM ’08, pp. 983–988, 2008
[ 19 ] Mishne, G. and de Rijke, M., MoodViews: Tools for Blog Mood Analysis, AAAI 2006 Spring Symposium on Computational Approaches to analyzing Weblogs (AAAI-CAAW2006), 2006.
[ 20 ] Newman, Hage, Chemudugunta, Smyth. Subject Metadata Enrichment using Statistical Topic Models. JCDL : 366-375, 2007
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