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金融テキストマイニング 研究事例紹介
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サイバーエージェント インターネット広告事業本部主催のセミナー 「一橋大学沖本准教授との共同研究経過発表 研究結果と最新US動向から見る、Web×マス広告の統合分析について」 http://www.cyberagent.co.jp/event/attribution_seminar/ にて使われたスライドの公開版です。
20140213 web×マス広告の統合分析第1部_公開用
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サイバーエージェント インターネット広告事業本部主催のセミナー 「一橋大学沖本准教授との共同研究経過発表 研究結果と最新US動向から見る、Web×マス広告の統合分析について」 http://www.cyberagent.co.jp/event/attribution_seminar/ にて使われたスライドの公開版です。
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Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Applitools
To succeed in your career, you need a strategy for sending out ripples of influence. Here are 12 ways you can start doing just that.
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work
GetSmarter
ChatGPT webinar slides
ChatGPT webinar slides
Alireza Esmikhani
More than Just Lines on a Map: Best Practices for U.S Bike Routes This session highlights best practices and lessons learned for U.S. Bike Route System designation, as well as how and why these routes should be integrated into bicycle planning at the local and regional level. Presenters: Presenter: Kevin Luecke Toole Design Group Co-Presenter: Virginia Sullivan Adventure Cycling Association
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
Project for Public Spaces & National Center for Biking and Walking
Has your project been caught in a storm of deadlines, clashing requirements, and the need to change course halfway through? If yes, then check out how the administration team navigated through all of this, relocating 160 people from 3 countries and opening 2 offices during the most turbulent time in the last 20 years. Belka Games’ Chief Administrative Officer, Katerina Rudko, will share universal approaches and life hacks that can help your project survive unstable periods when there seem to be too many tasks and a lack of time and people.
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
DevGAMM Conference
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Skeleton Culture Code
Skeleton Culture Code
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
Getting into the tech field. what next
Getting into the tech field. what next
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
How to have difficult conversations
How to have difficult conversations
Introduction to Data Science
Introduction to Data Science
Time Management & Productivity - Best Practices
Time Management & Productivity - Best Practices
The six step guide to practical project management
The six step guide to practical project management
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work
ChatGPT webinar slides
ChatGPT webinar slides
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
Ride the Storm: Navigating Through Unstable Periods / Katerina Rudko (Belka G...
金融テキストマイニング 研究事例紹介
1.
+ グループミーティング @zakktakk
2.
+ 本⽇の発表内容 ⾦融テキストマイニング Ø Web上の⼤量のテキスト情報と市場変動の関連性を分析 (⾦融テキストマイニング 研究の紹介,和泉潔) Ø
対象となるテキストのリソースは量,質ともに様々 Ø 経済指標などの数値情報では指標化されていない情報を テキストから素早く⾃動的に抽出することが期待される
3.
+ 研究例:Twitter Bollenらの研究(2011) Ø ユーザの⼼的状態を明⾔している投稿のみを 分析対象とする Ø テキストの内容から平穏・警戒・確信・活気・ 善意・幸福の6次元の尺度を計算 GPOMS指数 Ø
GPOMS指数とダウ平均株価指数の因果性を検定 ◯ ⼿法 ◯ 結果 Ø 「平穏」の尺度と株価に因果性があった Ø 翌⽇の株価の騰落の⽅向性を86.7%の精度で予測 (テキスト情報を⽤いない場合は73.3%の精度) “I am”とか”I feel”が含まれた投稿を ⼼的状態を明⾔している投稿とみなす
4.
+ 研究例:Twitter Ruizらの研究(2012) ◯ ⼿法 Ø ツイート情報からツイート・ユーザ・ハッシュタグ ・URLをノード,RT・引⽤・作成をリンクとするグ ラフを構築 実際は企業名をハッシュタグに⽤い ているツイートを分析対象とする
5.
+ 研究例:Twitter Ruizらの研究(2012) ◯ ⼿法 @Sony @ColumbiaRecords @SonyPictures #DontBreathe thestoneroses.org ew.com/article/2016/0… Ø
ツイート情報からツイート・ユーザ・ハッシュタグ ・URLをノード,RT・引⽤・作成をリンクとするグ ラフを構築 実際は企業名をハッシュタグに⽤い ているツイートを分析対象とする
6.
+ 研究例:Twitter Ruizらの研究(2012) ◯ ⼿法 Ø ツイート情報からツイート・ユーザ・ハッシュタグ ・URLをノード,RT・引⽤・作成をリンクとするグ ラフを構築 ⾏動基準の特徴量 グラフ特徴量 ・ノード数 ・エッジ数 ・連結要素数 ・ツイート数 ・ツイートしたユーザ数 ・RT数 ・RTしたユーザ数 ・ユーザに⾔及したツイート数 ・URLを引⽤したツイート数 Ø
グラフ構造を表す指標と対象とする銘柄の翌⽇の価 格の変化率や取引⾼との相関を分析 ◯ 結果 Ø グラフの連結要素数と取引⾼に正の相関関係 Ø 価格の変化率と相関のある指標は発⾒できず どの銘柄の取引されやすいかは予測できるが, 株価が上昇するか下落するかはわからない 実際は企業名をハッシュタグに⽤い ているツイートを分析対象とする
7.
+ 研究例:掲⽰板 丸⼭らの研究(2008) Ø 各個別銘柄の掲⽰板から特徴量を抽出 ◯ ⼿法 ◯
結果 Ø 3つの指標とボラリティ・取引⾼には有意な 相関関係が⾒られたが,変化率との相関はなし ・投稿数 ・全投稿の強気⽐率 ・⼀定期間内の強気 or 弱気投稿数の 偏り Ø 3つの指標と翌⽇の価格の変化率・ボラリティ (価格変動の標準偏差)・取引⾼の相関を分析 どの銘柄の取引されやすいかは予測できるが, 株価が上昇するか下落するかはわからない
8.
+ 研究例:ニュース Schumakerらの研究(2010) Ø Yahoo! Financeの記事から⽶国の個別銘柄の 20分後の株価動向を予測 Ø
あらかじめ株価関連⽤語の辞書を作成しておき, 各記事に⽤語がどれだけ出現するかを⾒る Ø 個別銘柄の株価の変化をサポートベクタ回帰を ⽤いてモデル化 ◯ ⼿法 ◯ 結果 Ø S&P 500 (⼤型株500銘柄から算出された株価指数) の構成銘柄で運⽤しているクオンツ・ファンドより も運⽤成績が良い (8.5%のリターン) Ø 20分後に1%以上の株価変動が起きると予測された 銘柄の売買を⾏う 良い結果のように⾒えるが,実際は条件を かなり限定した⽐較を⾏っている
9.
+ 研究例:経済レポート 和泉らの研究(2011)⾦融経済⽉報 (2015年12⽉) Ø ⽇銀の発⾏する⾦融経済⽉報をテキストマイニング ◯
⼿法 ◯ 結果 Ø ⽂章から経済関連単語を抽出し,さらに主成分分析 により30個の特徴量を抽出 Ø 重回帰分析で特徴量と国債市場の価格データの関係 を表す回帰式を求める Ø 価格の⼤幅な⾼騰や下落など,市場が⼤きく動く時 の予兆を抽出できた Ø 国債市場での運⽤テストでは数値データを使った 回帰よりも⾼い運⽤益を得た
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