{"id":79022,"date":"2026-02-28T20:24:58","date_gmt":"2026-02-28T12:24:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79022.html"},"modified":"2026-02-28T20:24:58","modified_gmt":"2026-02-28T12:24:58","slug":"%e4%ba%ba%e5%b7%a5%e6%99%ba%e8%83%bd%ef%bc%9a%e8%87%aa%e7%84%b6%e8%af%ad%e8%a8%80%e5%a4%84%e7%90%86%e5%9c%a8%e9%87%91%e8%9e%8d%e9%a2%86%e5%9f%9f%e7%9a%84%e5%ba%94%e7%94%a8%e4%b8%8e%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79022.html","title":{"rendered":"\u4eba\u5de5\u667a\u80fd\uff1a\u81ea\u7136\u8bed\u8a00\u5904\u7406\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u4e0e\u5b9e\u6218"},"content":{"rendered":"<h2>\u81ea\u7136\u8bed\u8a00\u5904\u7406\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u4e0e\u5b9e\u6218<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260228122456-69a2de989c9f1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u5b66\u4e60\u76ee\u6807<\/h3>\n<p>&#x1f4a1; \u7406\u89e3\u81ea\u7136\u8bed\u8a00\u5904\u7406&#xff08;NLP&#xff09;\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u573a\u666f\u548c\u91cd\u8981\u6027<br \/>\n&#x1f4a1; \u638c\u63e1\u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u7684\u6838\u5fc3\u6280\u672f&#xff08;\u5982\u6587\u672c\u5206\u7c7b\u3001\u60c5\u611f\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30&#xff09;<br \/>\n&#x1f4a1; \u5b66\u4f1a\u4f7f\u7528\u524d\u6cbf\u6a21\u578b&#xff08;\u5982BERT\u3001GPT-3\u3001Transformer&#xff09;\u8fdb\u884c\u91d1\u878d\u6587\u672c\u5206\u6790<br \/>\n&#x1f4a1; \u7406\u89e3\u91d1\u878d\u9886\u57df\u7684\u7279\u6b8a\u6311\u6218&#xff08;\u5982\u6570\u636e\u654f\u611f\u6027\u3001\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u3001\u8bed\u8a00\u4e13\u4e1a\u6027\u5f3a&#xff09;<br \/>\n&#x1f4a1; \u901a\u8fc7\u5b9e\u6218\u9879\u76ee&#xff0c;\u5f00\u53d1\u4e00\u4e2a\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528<\/p>\n<h3>\u91cd\u70b9\u5185\u5bb9<\/h3>\n<ul>\n<li>\u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u7684\u573a\u666f<\/li>\n<li>\u6838\u5fc3\u6280\u672f&#xff08;\u6587\u672c\u5206\u7c7b\u3001\u60c5\u611f\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30&#xff09;<\/li>\n<li>\u524d\u6cbf\u6a21\u578b&#xff08;BERT\u3001GPT-3\u3001Transformer&#xff09;\u5728\u91d1\u878d\u9886\u57df\u7684\u4f7f\u7528<\/li>\n<li>\u91d1\u878d\u9886\u57df\u7684\u7279\u6b8a\u6311\u6218<\/li>\n<li>\u5b9e\u6218\u9879\u76ee&#xff1a;\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528\u5f00\u53d1<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u573a\u666f<\/h3>\n<h4>1.1 \u91d1\u878d\u6587\u672c\u5206\u6790\u6982\u8ff0<\/h4>\n<p>\u91d1\u878d\u9886\u57df\u662fNLP\u6280\u672f\u5e94\u7528\u7684\u91cd\u8981\u9886\u57df\u4e4b\u4e00\u3002\u91d1\u878d\u6587\u672c\u6570\u636e\u5305\u62ec\u65b0\u95fb\u62a5\u9053\u3001\u516c\u53f8\u516c\u544a\u3001\u5206\u6790\u5e08\u62a5\u544a\u3001\u793e\u4ea4\u5a92\u4f53\u8bc4\u8bba\u7b49&#xff0c;\u8fd9\u4e9b\u6570\u636e\u8574\u542b\u7740\u4e30\u5bcc\u7684\u4fe1\u606f&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u91d1\u878d\u673a\u6784\u548c\u6295\u8d44\u8005\u4e86\u89e3\u5e02\u573a\u52a8\u6001\u3001\u8bc4\u4f30\u98ce\u9669\u3001\u505a\u51fa\u51b3\u7b56\u3002<\/p>\n<h5>1.1.1 \u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u573a\u666f<\/h5>\n<p>\u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u7684\u4e3b\u8981\u573a\u666f\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u91d1\u878d\u65b0\u95fb\u5206\u6790&#xff1a;\u5206\u6790\u91d1\u878d\u65b0\u95fb\u7684\u60c5\u611f\u548c\u5f71\u54cd<\/li>\n<li>\u516c\u53f8\u516c\u544a\u5206\u6790&#xff1a;\u5206\u6790\u516c\u53f8\u516c\u544a\u7684\u5185\u5bb9\u548c\u5f71\u54cd<\/li>\n<li>\u5206\u6790\u5e08\u62a5\u544a\u5206\u6790&#xff1a;\u5206\u6790\u5206\u6790\u5e08\u62a5\u544a\u7684\u5185\u5bb9\u548c\u5efa\u8bae<\/li>\n<li>\u793e\u4ea4\u5a92\u4f53\u8bc4\u8bba\u5206\u6790&#xff1a;\u5206\u6790\u793e\u4ea4\u5a92\u4f53\u4e0a\u5bf9\u91d1\u878d\u4ea7\u54c1\u548c\u516c\u53f8\u7684\u8bc4\u8bba<\/li>\n<li>\u98ce\u9669\u8bc4\u4f30&#xff1a;\u8bc4\u4f30\u91d1\u878d\u4ea7\u54c1\u548c\u516c\u53f8\u7684\u98ce\u9669<\/li>\n<li>\u6b3a\u8bc8\u68c0\u6d4b&#xff1a;\u8bc6\u522b\u91d1\u878d\u6b3a\u8bc8\u884c\u4e3a<\/li>\n<\/ul>\n<h4>1.2 \u91d1\u878d\u6587\u672c\u7279\u70b9<\/h4>\n<p>\u91d1\u878d\u6587\u672c\u5177\u6709\u4ee5\u4e0b\u7279\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u4e13\u4e1a\u6027\u5f3a&#xff1a;\u5305\u542b\u5927\u91cf\u91d1\u878d\u672f\u8bed\u548c\u4e13\u4e1a\u8bcd\u6c47<\/li>\n<li>\u6570\u636e\u654f\u611f\u6027&#xff1a;\u6d89\u53ca\u5230\u91d1\u878d\u673a\u6784\u548c\u6295\u8d44\u8005\u7684\u654f\u611f\u4fe1\u606f<\/li>\n<li>\u5b9e\u65f6\u6027\u5f3a&#xff1a;\u91d1\u878d\u5e02\u573a\u53d8\u5316\u8fc5\u901f&#xff0c;\u9700\u8981\u53ca\u65f6\u5904\u7406\u6587\u672c\u6570\u636e<\/li>\n<li>\u6570\u636e\u91cf\u5927&#xff1a;\u91d1\u878d\u6587\u672c\u6570\u636e\u91cf\u5927&#xff0c;\u4e14\u66f4\u65b0\u9891\u7e41<\/li>\n<li>\u590d\u6742\u6027\u9ad8&#xff1a;\u91d1\u878d\u6587\u672c\u5185\u5bb9\u590d\u6742&#xff0c;\u9700\u8981\u6df1\u5165\u5206\u6790<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e8c\u3001\u6838\u5fc3\u6280\u672f<\/h3>\n<h4>2.1 \u91d1\u878d\u6587\u672c\u9884\u5904\u7406<\/h4>\n<p>\u91d1\u878d\u6587\u672c\u9884\u5904\u7406\u662f\u91d1\u878d\u5206\u6790\u7684\u57fa\u7840&#xff0c;\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u6b65\u9aa4&#xff1a;<\/p>\n<h5>2.1.1 \u6587\u672c\u9884\u5904\u7406\u65b9\u6cd5<\/h5>\n<li>\u5206\u8bcd&#xff1a;\u5c06\u6587\u672c\u5206\u5272\u6210\u8bcd\u8bed\u6216\u5b50\u8bcd<\/li>\n<li>\u53bb\u505c\u7528\u8bcd&#xff1a;\u53bb\u9664\u65e0\u610f\u4e49\u7684\u8bcd\u8bed&#xff08;\u5982\u201c\u7684\u201d\u3001\u201c\u662f\u201d\u3001\u201c\u4e86\u201d\u7b49&#xff09;<\/li>\n<li>\u4e13\u4e1a\u672f\u8bed\u8bc6\u522b&#xff1a;\u8bc6\u522b\u91d1\u878d\u9886\u57df\u7684\u4e13\u4e1a\u672f\u8bed<\/li>\n<li>\u6570\u5b57\u5904\u7406&#xff1a;\u5904\u7406\u6587\u672c\u4e2d\u7684\u6570\u5b57\u548c\u7b26\u53f7<\/li>\n<li>\u60c5\u611f\u7b26\u53f7\u5904\u7406&#xff1a;\u5904\u7406\u6587\u672c\u4e2d\u7684\u60c5\u611f\u7b26\u53f7&#xff08;\u5982\u201c&#x1f60a;\u201d\u3001\u201c&#x1f62d;\u201d\u7b49&#xff09;<\/li>\n<h5>2.1.2 \u6587\u672c\u9884\u5904\u7406\u7684\u4ee3\u7801\u5b9e\u73b0<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528NLTK\u548cspaCy\u8fdb\u884c\u91d1\u878d\u6587\u672c\u9884\u5904\u7406\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> nltk<br \/>\n<span class=\"token keyword\">from<\/span> nltk<span class=\"token punctuation\">.<\/span>corpus <span class=\"token keyword\">import<\/span> stopwords<br \/>\n<span class=\"token keyword\">from<\/span> nltk<span class=\"token punctuation\">.<\/span>tokenize <span class=\"token keyword\">import<\/span> word_tokenize<br \/>\n<span class=\"token keyword\">import<\/span> spacy<br \/>\n<span class=\"token keyword\">import<\/span> re<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">preprocess_financial_text<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u52a0\u8f7dspaCy\u6a21\u578b<\/span><br \/>\n    nlp <span class=\"token operator\">&#061;<\/span> spacy<span class=\"token punctuation\">.<\/span>load<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;en_core_web_sm&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u53bb\u9664\u94fe\u63a5\u548c\u7279\u6b8a\u5b57\u7b26<\/span><br \/>\n    text <span class=\"token operator\">&#061;<\/span> re<span class=\"token punctuation\">.<\/span>sub<span class=\"token punctuation\">(<\/span><span class=\"token string\">r&#034;http\\\\S&#043;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">)<\/span><br \/>\n    text <span class=\"token operator\">&#061;<\/span> re<span class=\"token punctuation\">.<\/span>sub<span class=\"token punctuation\">(<\/span><span class=\"token string\">r&#034;[^a-zA-Z0-9\\\\s]&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5206\u8bcd\u548c\u53bb\u505c\u7528\u8bcd<\/span><br \/>\n    tokens <span class=\"token operator\">&#061;<\/span> word_tokenize<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><br \/>\n    stop_words <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span>stopwords<span class=\"token punctuation\">.<\/span>words<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;english&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    tokens <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>token <span class=\"token keyword\">for<\/span> token <span class=\"token keyword\">in<\/span> tokens <span class=\"token keyword\">if<\/span> token<span class=\"token punctuation\">.<\/span>lower<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">not<\/span> <span class=\"token keyword\">in<\/span> stop_words <span class=\"token keyword\">and<\/span> token<span class=\"token punctuation\">.<\/span>isalpha<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u4e13\u4e1a\u672f\u8bed\u8bc6\u522b<\/span><br \/>\n    doc <span class=\"token operator\">&#061;<\/span> nlp<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><br \/>\n    entities <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ent<span class=\"token punctuation\">.<\/span>text <span class=\"token keyword\">for<\/span> ent <span class=\"token keyword\">in<\/span> doc<span class=\"token punctuation\">.<\/span>ents <span class=\"token keyword\">if<\/span> ent<span class=\"token punctuation\">.<\/span>label_ <span class=\"token keyword\">in<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;PERSON&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;DATE&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;TIME&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;ORG&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;GPE&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7f29\u5199\u5904\u7406<\/span><br \/>\n    <span class=\"token comment\"># \u8fd9\u91cc\u9700\u8981\u5b9e\u73b0\u7f29\u5199\u5904\u7406\u903b\u8f91<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> tokens<span class=\"token punctuation\">,<\/span> entities<\/p>\n<h4>2.2 \u6587\u672c\u5206\u7c7b<\/h4>\n<p>\u6587\u672c\u5206\u7c7b\u662f\u5c06\u91d1\u878d\u6587\u672c\u6309\u7167\u9884\u8bbe\u7684\u7c7b\u522b\u8fdb\u884c\u5206\u7c7b\u7684\u8fc7\u7a0b\u3002\u5e38\u89c1\u7684\u5206\u7c7b\u4efb\u52a1\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u65b0\u95fb\u5206\u7c7b&#xff1a;\u5c06\u91d1\u878d\u65b0\u95fb\u5206\u4e3a\u4e0d\u540c\u7684\u7c7b\u522b&#xff08;\u5982\u80a1\u7968\u3001\u503a\u5238\u3001\u671f\u8d27\u7b49&#xff09;<\/li>\n<li>\u516c\u544a\u5206\u7c7b&#xff1a;\u5c06\u516c\u53f8\u516c\u544a\u5206\u4e3a\u4e0d\u540c\u7684\u7c7b\u522b&#xff08;\u5982\u8d22\u62a5\u3001\u80a1\u4e1c\u5927\u4f1a\u516c\u544a\u7b49&#xff09;<\/li>\n<li>\u62a5\u544a\u5206\u7c7b&#xff1a;\u5c06\u5206\u6790\u5e08\u62a5\u544a\u5206\u4e3a\u4e0d\u540c\u7684\u7c7b\u522b&#xff08;\u5982\u4e70\u5165\u3001\u5356\u51fa\u3001\u6301\u6709\u7b49&#xff09;<\/li>\n<\/ul>\n<h5>2.2.1 \u6587\u672c\u5206\u7c7b\u7684\u4ee3\u7801\u5b9e\u73b0<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Scikit-learn\u5e93\u8fdb\u884c\u6587\u672c\u5206\u7c7b\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> pandas <span class=\"token keyword\">as<\/span> pd<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>feature_extraction<span class=\"token punctuation\">.<\/span>text <span class=\"token keyword\">import<\/span> TfidfVectorizer<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>ensemble <span class=\"token keyword\">import<\/span> RandomForestClassifier<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>model_selection <span class=\"token keyword\">import<\/span> train_test_split<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>metrics <span class=\"token keyword\">import<\/span> accuracy_score<span class=\"token punctuation\">,<\/span> f1_score<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify_financial_text<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> num_trees<span class=\"token operator\">&#061;<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6570\u636e\u9884\u5904\u7406<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">.<\/span>dropna<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>astype<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7279\u5f81\u5de5\u7a0b<\/span><br \/>\n    tfidf_vectorizer <span class=\"token operator\">&#061;<\/span> TfidfVectorizer<span class=\"token punctuation\">(<\/span>stop_words<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;english&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    X <span class=\"token operator\">&#061;<\/span> tfidf_vectorizer<span class=\"token punctuation\">.<\/span>fit_transform<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6570\u636e\u5206\u5272<\/span><br \/>\n    X_train<span class=\"token punctuation\">,<\/span> X_test<span class=\"token punctuation\">,<\/span> y_train<span class=\"token punctuation\">,<\/span> y_test <span class=\"token operator\">&#061;<\/span> train_test_split<span class=\"token punctuation\">(<\/span>X<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;label&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> test_size<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.2<\/span><span class=\"token punctuation\">,<\/span> random_state<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6a21\u578b\u8bad\u7ec3<\/span><br \/>\n    rf_classifier <span class=\"token operator\">&#061;<\/span> RandomForestClassifier<span class=\"token punctuation\">(<\/span>n_estimators<span class=\"token operator\">&#061;<\/span>num_trees<span class=\"token punctuation\">,<\/span> random_state<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    rf_classifier<span class=\"token punctuation\">.<\/span>fit<span class=\"token punctuation\">(<\/span>X_train<span class=\"token punctuation\">,<\/span> y_train<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u9884\u6d4b\u5206\u7c7b<\/span><br \/>\n    predictions <span class=\"token operator\">&#061;<\/span> rf_classifier<span class=\"token punctuation\">.<\/span>predict<span class=\"token punctuation\">(<\/span>X_test<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8bc4\u4f30\u6a21\u578b<\/span><br \/>\n    accuracy <span class=\"token operator\">&#061;<\/span> accuracy_score<span class=\"token punctuation\">(<\/span>y_test<span class=\"token punctuation\">,<\/span> predictions<span class=\"token punctuation\">)<\/span><br \/>\n    f1 <span class=\"token operator\">&#061;<\/span> f1_score<span class=\"token punctuation\">(<\/span>y_test<span class=\"token punctuation\">,<\/span> predictions<span class=\"token punctuation\">,<\/span> average<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;weighted&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> predictions<span class=\"token punctuation\">,<\/span> accuracy<span class=\"token punctuation\">,<\/span> f1<\/p>\n<h4>2.3 \u60c5\u611f\u5206\u6790<\/h4>\n<p>\u60c5\u611f\u5206\u6790\u662f\u8bc6\u522b\u91d1\u878d\u6587\u672c\u4e2d\u60c5\u611f\u503e\u5411\u7684\u8fc7\u7a0b\u3002\u5e38\u89c1\u7684\u60c5\u611f\u7c7b\u522b\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u79ef\u6781\u60c5\u611f&#xff1a;\u8868\u8fbe\u6b63\u9762\u60c5\u7eea\u7684\u6587\u672c&#xff08;\u5982\u201c\u597d\u201d\u3001\u201c\u4e0a\u6da8\u201d\u3001\u201c\u76c8\u5229\u201d\u7b49&#xff09;<\/li>\n<li>\u6d88\u6781\u60c5\u611f&#xff1a;\u8868\u8fbe\u8d1f\u9762\u60c5\u7eea\u7684\u6587\u672c&#xff08;\u5982\u201c\u4e0d\u597d\u201d\u3001\u201c\u4e0b\u8dcc\u201d\u3001\u201c\u4e8f\u635f\u201d\u7b49&#xff09;<\/li>\n<li>\u4e2d\u6027\u60c5\u611f&#xff1a;\u8868\u8fbe\u4e2d\u6027\u60c5\u7eea\u7684\u6587\u672c&#xff08;\u5982\u201c\u6301\u5e73\u201d\u3001\u201c\u7a33\u5b9a\u201d\u7b49&#xff09;<\/li>\n<\/ul>\n<h5>2.3.1 \u60c5\u611f\u5206\u6790\u7684\u4ee3\u7801\u5b9e\u73b0<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528TextBlob\u5e93\u8fdb\u884c\u60c5\u611f\u5206\u6790\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> textblob <span class=\"token keyword\">import<\/span> TextBlob<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">analyze_financial_sentiment<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    blob <span class=\"token operator\">&#061;<\/span> TextBlob<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><br \/>\n    polarity <span class=\"token operator\">&#061;<\/span> blob<span class=\"token punctuation\">.<\/span>sentiment<span class=\"token punctuation\">.<\/span>polarity<br \/>\n    subjectivity <span class=\"token operator\">&#061;<\/span> blob<span class=\"token punctuation\">.<\/span>sentiment<span class=\"token punctuation\">.<\/span>subjectivity<\/p>\n<p>    <span class=\"token keyword\">if<\/span> polarity <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        sentiment <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u79ef\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> polarity <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        sentiment <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u6d88\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        sentiment <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u4e2d\u6027&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> sentiment<span class=\"token punctuation\">,<\/span> polarity<span class=\"token punctuation\">,<\/span> subjectivity<\/p>\n<h4>2.4 \u98ce\u9669\u8bc4\u4f30<\/h4>\n<p>\u98ce\u9669\u8bc4\u4f30\u662f\u8bc4\u4f30\u91d1\u878d\u4ea7\u54c1\u548c\u516c\u53f8\u98ce\u9669\u7684\u8fc7\u7a0b\u3002NLP\u6280\u672f\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u98ce\u9669\u56e0\u7d20&#xff0c;\u8bc4\u4f30\u98ce\u9669\u7b49\u7ea7\u3002<\/p>\n<h5>2.4.1 \u98ce\u9669\u8bc4\u4f30\u7684\u4ee3\u7801\u5b9e\u73b0<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Scikit-learn\u5e93\u8fdb\u884c\u98ce\u9669\u8bc4\u4f30\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> pandas <span class=\"token keyword\">as<\/span> pd<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>feature_extraction<span class=\"token punctuation\">.<\/span>text <span class=\"token keyword\">import<\/span> TfidfVectorizer<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>ensemble <span class=\"token keyword\">import<\/span> RandomForestClassifier<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>model_selection <span class=\"token keyword\">import<\/span> train_test_split<br \/>\n<span class=\"token keyword\">from<\/span> sklearn<span class=\"token punctuation\">.<\/span>metrics <span class=\"token keyword\">import<\/span> accuracy_score<span class=\"token punctuation\">,<\/span> f1_score<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">assess_financial_risk<\/span><span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> num_trees<span class=\"token operator\">&#061;<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6570\u636e\u9884\u5904\u7406<\/span><br \/>\n    data <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">.<\/span>dropna<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>astype<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7279\u5f81\u5de5\u7a0b<\/span><br \/>\n    tfidf_vectorizer <span class=\"token operator\">&#061;<\/span> TfidfVectorizer<span class=\"token punctuation\">(<\/span>stop_words<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;english&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    X <span class=\"token operator\">&#061;<\/span> tfidf_vectorizer<span class=\"token punctuation\">.<\/span>fit_transform<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;text&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6570\u636e\u5206\u5272<\/span><br \/>\n    X_train<span class=\"token punctuation\">,<\/span> X_test<span class=\"token punctuation\">,<\/span> y_train<span class=\"token punctuation\">,<\/span> y_test <span class=\"token operator\">&#061;<\/span> train_test_split<span class=\"token punctuation\">(<\/span>X<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;label&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> test_size<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.2<\/span><span class=\"token punctuation\">,<\/span> random_state<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u6a21\u578b\u8bad\u7ec3<\/span><br \/>\n    rf_classifier <span class=\"token operator\">&#061;<\/span> RandomForestClassifier<span class=\"token punctuation\">(<\/span>n_estimators<span class=\"token operator\">&#061;<\/span>num_trees<span class=\"token punctuation\">,<\/span> random_state<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    rf_classifier<span class=\"token punctuation\">.<\/span>fit<span class=\"token punctuation\">(<\/span>X_train<span class=\"token punctuation\">,<\/span> y_train<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u9884\u6d4b\u5206\u7c7b<\/span><br \/>\n    predictions <span class=\"token operator\">&#061;<\/span> rf_classifier<span class=\"token punctuation\">.<\/span>predict<span class=\"token punctuation\">(<\/span>X_test<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8bc4\u4f30\u6a21\u578b<\/span><br \/>\n    accuracy <span class=\"token operator\">&#061;<\/span> accuracy_score<span class=\"token punctuation\">(<\/span>y_test<span class=\"token punctuation\">,<\/span> predictions<span class=\"token punctuation\">)<\/span><br \/>\n    f1 <span class=\"token operator\">&#061;<\/span> f1_score<span class=\"token punctuation\">(<\/span>y_test<span class=\"token punctuation\">,<\/span> predictions<span class=\"token punctuation\">,<\/span> average<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;weighted&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> predictions<span class=\"token punctuation\">,<\/span> accuracy<span class=\"token punctuation\">,<\/span> f1<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u524d\u6cbf\u6a21\u578b\u5728\u91d1\u878d\u9886\u57df\u7684\u4f7f\u7528<\/h3>\n<h4>3.1 BERT\u6a21\u578b<\/h4>\n<h5>3.1.1 BERT\u6a21\u578b\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528<\/h5>\n<p>BERT\u6a21\u578b\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u4e3b\u8981\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u91d1\u878d\u65b0\u95fb\u5206\u6790&#xff1a;\u5206\u6790\u91d1\u878d\u65b0\u95fb\u7684\u60c5\u611f\u548c\u5f71\u54cd<\/li>\n<li>\u516c\u53f8\u516c\u544a\u5206\u6790&#xff1a;\u5206\u6790\u516c\u53f8\u516c\u544a\u7684\u5185\u5bb9\u548c\u5f71\u54cd<\/li>\n<li>\u5206\u6790\u5e08\u62a5\u544a\u5206\u6790&#xff1a;\u5206\u6790\u5206\u6790\u5e08\u62a5\u544a\u7684\u5185\u5bb9\u548c\u5efa\u8bae<\/li>\n<li>\u98ce\u9669\u8bc4\u4f30&#xff1a;\u8bc4\u4f30\u91d1\u878d\u4ea7\u54c1\u548c\u516c\u53f8\u7684\u98ce\u9669<\/li>\n<\/ul>\n<h5>3.1.2 BERT\u6a21\u578b\u7684\u4f7f\u7528<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Hugging Face Transformers\u5e93\u4e2d\u7684BERT\u6a21\u578b\u8fdb\u884c\u91d1\u878d\u6587\u672c\u5206\u7c7b\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> transformers <span class=\"token keyword\">import<\/span> BertTokenizer<span class=\"token punctuation\">,<\/span> BertForSequenceClassification<br \/>\n<span class=\"token keyword\">import<\/span> torch<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify_financial_text_bert<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> model_name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;yiyanghkust\/finbert-tone&#039;<\/span><span class=\"token punctuation\">,<\/span> num_labels<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    tokenizer <span class=\"token operator\">&#061;<\/span> BertTokenizer<span class=\"token punctuation\">.<\/span>from_pretrained<span class=\"token punctuation\">(<\/span>model_name<span class=\"token punctuation\">)<\/span><br \/>\n    model <span class=\"token operator\">&#061;<\/span> BertForSequenceClassification<span class=\"token punctuation\">.<\/span>from_pretrained<span class=\"token punctuation\">(<\/span>model_name<span class=\"token punctuation\">,<\/span> num_labels<span class=\"token operator\">&#061;<\/span>num_labels<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7f16\u7801\u8f93\u5165\u6587\u672c<\/span><br \/>\n    inputs <span class=\"token operator\">&#061;<\/span> tokenizer<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> return_tensors<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;pt&#039;<\/span><span class=\"token punctuation\">,<\/span> max_length<span class=\"token operator\">&#061;<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> truncation<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">,<\/span> padding<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    outputs <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">(<\/span><span class=\"token operator\">**<\/span>inputs<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8ba1\u7b97\u5206\u7c7b\u7ed3\u679c<\/span><br \/>\n    probs <span class=\"token operator\">&#061;<\/span> torch<span class=\"token punctuation\">.<\/span>nn<span class=\"token punctuation\">.<\/span>functional<span class=\"token punctuation\">.<\/span>softmax<span class=\"token punctuation\">(<\/span>outputs<span class=\"token punctuation\">.<\/span>logits<span class=\"token punctuation\">,<\/span> dim<span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    label <span class=\"token operator\">&#061;<\/span> torch<span class=\"token punctuation\">.<\/span>argmax<span class=\"token punctuation\">(<\/span>probs<span class=\"token punctuation\">,<\/span> dim<span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>item<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> label <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u79ef\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> label <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u4e2d\u6027&#034;<\/span><\/p>\n<h4>3.2 GPT-3\u6a21\u578b<\/h4>\n<h5>3.2.1 GPT-3\u6a21\u578b\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528<\/h5>\n<p>GPT-3\u6a21\u578b\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u4e3b\u8981\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u6587\u672c\u751f\u6210&#xff1a;\u751f\u6210\u91d1\u878d\u62a5\u544a\u548c\u5206\u6790\u5185\u5bb9<\/li>\n<li>\u95ee\u7b54\u7cfb\u7edf&#xff1a;\u56de\u7b54\u91d1\u878d\u76f8\u5173\u7684\u95ee\u9898<\/li>\n<li>\u98ce\u9669\u8bc4\u4f30&#xff1a;\u8bc4\u4f30\u91d1\u878d\u4ea7\u54c1\u548c\u516c\u53f8\u7684\u98ce\u9669<\/li>\n<\/ul>\n<h5>3.2.2 GPT-3\u6a21\u578b\u7684\u4f7f\u7528<\/h5>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528OpenAI API\u8fdb\u884cGPT-3\u6587\u672c\u751f\u6210\u7684\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> openai<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">generate_financial_text<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> max_tokens<span class=\"token operator\">&#061;<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> temperature<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.7<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    openai<span class=\"token punctuation\">.<\/span>api_key <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;YOUR_API_KEY&#039;<\/span><\/p>\n<p>    response <span class=\"token operator\">&#061;<\/span> openai<span class=\"token punctuation\">.<\/span>Completion<span class=\"token punctuation\">.<\/span>create<span class=\"token punctuation\">(<\/span><br \/>\n        engine<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;text-davinci-003&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        prompt<span class=\"token operator\">&#061;<\/span>text<span class=\"token punctuation\">,<\/span><br \/>\n        max_tokens<span class=\"token operator\">&#061;<\/span>max_tokens<span class=\"token punctuation\">,<\/span><br \/>\n        n<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        stop<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        temperature<span class=\"token operator\">&#061;<\/span>temperature<br \/>\n    <span class=\"token punctuation\">)<\/span><\/p>\n<p>    generated_text <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span>choices<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">.<\/span>strip<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> generated_text<\/p>\n<hr \/>\n<h3>\u56db\u3001\u91d1\u878d\u9886\u57df\u7684\u7279\u6b8a\u6311\u6218<\/h3>\n<h4>4.1 \u6570\u636e\u654f\u611f\u6027<\/h4>\n<p>\u91d1\u878d\u6587\u672c\u6570\u636e\u6d89\u53ca\u5230\u91d1\u878d\u673a\u6784\u548c\u6295\u8d44\u8005\u7684\u654f\u611f\u4fe1\u606f&#xff0c;\u9700\u8981\u9075\u5b88\u6570\u636e\u4fdd\u62a4\u6cd5\u5f8b\u6cd5\u89c4&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u9690\u79c1\u6027\u3002<\/p>\n<h4>4.2 \u5b9e\u65f6\u6027\u8981\u6c42\u9ad8<\/h4>\n<p>\u91d1\u878d\u5e02\u573a\u53d8\u5316\u8fc5\u901f&#xff0c;\u9700\u8981\u53ca\u65f6\u5904\u7406\u6587\u672c\u6570\u636e&#xff0c;\u5426\u5219\u53ef\u80fd\u4f1a\u9519\u8fc7\u91cd\u8981\u4fe1\u606f\u3002<\/p>\n<h4>4.3 \u8bed\u8a00\u4e13\u4e1a\u6027\u5f3a<\/h4>\n<p>\u91d1\u878d\u6587\u672c\u5305\u542b\u5927\u91cf\u91d1\u878d\u672f\u8bed\u548c\u4e13\u4e1a\u8bcd\u6c47&#xff0c;\u9700\u8981\u5bf9\u8fd9\u4e9b\u672f\u8bed\u8fdb\u884c\u51c6\u786e\u7684\u8bc6\u522b\u548c\u5904\u7406\u3002<\/p>\n<h4>4.4 \u590d\u6742\u6027\u9ad8<\/h4>\n<p>\u91d1\u878d\u6587\u672c\u5185\u5bb9\u590d\u6742&#xff0c;\u9700\u8981\u6df1\u5165\u5206\u6790&#xff0c;\u624d\u80fd\u63d0\u53d6\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u5b9e\u6218\u9879\u76ee&#xff1a;\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528\u5f00\u53d1<\/h3>\n<h4>5.1 \u9879\u76ee\u9700\u6c42\u5206\u6790<\/h4>\n<h5>5.1.1 \u5e94\u7528\u76ee\u6807<\/h5>\n<p>\u6784\u5efa\u4e00\u4e2a\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528&#xff0c;\u80fd\u591f\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8fdb\u884c\u60c5\u611f\u5206\u6790\u3002<\/p>\n<h5>5.1.2 \u7528\u6237\u9700\u6c42<\/h5>\n<ul>\n<li>\u652f\u6301\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406<\/li>\n<li>\u652f\u6301\u60c5\u611f\u5206\u6790<\/li>\n<li>\u63d0\u4f9b\u53cb\u597d\u7684\u7528\u6237\u754c\u9762&#xff0c;\u4f7f\u7528\u7b80\u5355\u65b9\u4fbf<\/li>\n<\/ul>\n<h5>5.1.3 \u529f\u80fd\u8303\u56f4<\/h5>\n<ul>\n<li>\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406<\/li>\n<li>\u60c5\u611f\u5206\u6790<\/li>\n<li>\u7ed3\u679c\u53ef\u89c6\u5316<\/li>\n<\/ul>\n<h4>5.2 \u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1<\/h4>\n<h5>5.2.1 \u5e94\u7528\u67b6\u6784<\/h5>\n<p>\u8be5\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528\u7684\u67b6\u6784\u91c7\u7528\u5206\u5c42\u8bbe\u8ba1&#xff0c;\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u5c42\u6b21&#xff1a;<\/p>\n<li>\u7528\u6237\u754c\u9762\u5c42&#xff1a;\u63d0\u4f9b\u7528\u6237\u4e0e\u7cfb\u7edf\u7684\u4ea4\u4e92\u63a5\u53e3&#xff0c;\u5305\u62ec\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u3001\u91d1\u878d\u65b0\u95fb\u6587\u672c\u5904\u7406\u3001\u7ed3\u679c\u53ef\u89c6\u5316\u7b49\u529f\u80fd<\/li>\n<li>\u5e94\u7528\u903b\u8f91\u5c42&#xff1a;\u5904\u7406\u7528\u6237\u8bf7\u6c42\u3001\u4e1a\u52a1\u903b\u8f91\u548c\u5e94\u7528\u63a7\u5236<\/li>\n<li>\u6587\u672c\u5904\u7406\u5c42&#xff1a;\u5bf9\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8fdb\u884c\u5904\u7406\u548c\u5206\u6790<\/li>\n<li>\u60c5\u611f\u5206\u6790\u5c42&#xff1a;\u5bf9\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8fdb\u884c\u60c5\u611f\u5206\u6790<\/li>\n<li>\u6570\u636e\u5b58\u50a8\u5c42&#xff1a;\u5b58\u50a8\u91d1\u878d\u65b0\u95fb\u6587\u672c\u6570\u636e\u548c\u5904\u7406\u7ed3\u679c<\/li>\n<h5>5.2.2 \u6570\u636e\u5b58\u50a8\u65b9\u6848<\/h5>\n<p>\u8be5\u7cfb\u7edf\u7684\u6570\u636e\u5b58\u50a8\u65b9\u6848\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206&#xff1a;<\/p>\n<li>\u91d1\u878d\u65b0\u95fb\u6587\u672c\u6570\u636e\u5b58\u50a8&#xff1a;\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u5b58\u50a8\u91d1\u878d\u65b0\u95fb\u6587\u672c\u6570\u636e<\/li>\n<li>\u5904\u7406\u7ed3\u679c\u5b58\u50a8&#xff1a;\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u5b58\u50a8\u5904\u7406\u7ed3\u679c<\/li>\n<h4>5.3 \u7cfb\u7edf\u5b9e\u73b0<\/h4>\n<h5>5.3.1 \u5f00\u53d1\u73af\u5883\u642d\u5efa<\/h5>\n<p>\u9996\u5148&#xff0c;\u9700\u8981\u642d\u5efa\u5f00\u53d1\u73af\u5883\u3002\u8be5\u7cfb\u7edf\u4f7f\u7528 Python \u4f5c\u4e3a\u5f00\u53d1\u8bed\u8a00&#xff0c;\u4f7f\u7528 Hugging Face Transformers \u5e93\u4f5c\u4e3aNLP\u5de5\u5177&#xff0c;\u4f7f\u7528 Tkinter \u4f5c\u4e3a\u56fe\u5f62\u7528\u6237\u754c\u9762\u3002<\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5 Transformers \u5e93<\/span><br \/>\npip <span class=\"token function\">install<\/span> transformers<\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5 PyTorch \u5e93<\/span><br \/>\npip <span class=\"token function\">install<\/span> torch<\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5\u5176\u4ed6\u4f9d\u8d56\u5e93<\/span><br \/>\npip <span class=\"token function\">install<\/span> nltk pandas scikit-learn textblob<\/p>\n<h5>5.3.2 \u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406<\/h5>\n<p>\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406\u662f\u7cfb\u7edf\u7684\u57fa\u7840\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406\u7684\u5b9e\u73b0\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> tkinter <span class=\"token keyword\">as<\/span> tk<br \/>\n<span class=\"token keyword\">from<\/span> tkinter <span class=\"token keyword\">import<\/span> scrolledtext<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FinancialNewsInputFrame<\/span><span class=\"token punctuation\">(<\/span>tk<span class=\"token punctuation\">.<\/span>Frame<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> parent<span class=\"token punctuation\">,<\/span> on_process<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        tk<span class=\"token punctuation\">.<\/span>Frame<span class=\"token punctuation\">.<\/span>__init__<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> parent<span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>parent <span class=\"token operator\">&#061;<\/span> parent<br \/>\n        self<span class=\"token punctuation\">.<\/span>on_process <span class=\"token operator\">&#061;<\/span> on_process<\/p>\n<p>        <span class=\"token comment\"># \u521b\u5efa\u7ec4\u4ef6<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>create_widgets<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_widgets<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u6587\u672c\u8f93\u5165\u533a\u57df<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>text_input <span class=\"token operator\">&#061;<\/span> scrolledtext<span class=\"token punctuation\">.<\/span>ScrolledText<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> width<span class=\"token operator\">&#061;<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">,<\/span> height<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>text_input<span class=\"token punctuation\">.<\/span>pack<span class=\"token punctuation\">(<\/span>pady<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> padx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> fill<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;both&#034;<\/span><span class=\"token punctuation\">,<\/span> expand<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u5904\u7406\u6309\u94ae<\/span><br \/>\n        tk<span class=\"token punctuation\">.<\/span>Button<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u60c5\u611f\u5206\u6790&#034;<\/span><span class=\"token punctuation\">,<\/span> command<span class=\"token operator\">&#061;<\/span>self<span class=\"token punctuation\">.<\/span>process_text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>pack<span class=\"token punctuation\">(<\/span>pady<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> padx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">process_text<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        text <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>text_input<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;1.0&#034;<\/span><span class=\"token punctuation\">,<\/span> tk<span class=\"token punctuation\">.<\/span>END<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>strip<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> text<span class=\"token punctuation\">:<\/span><br \/>\n            self<span class=\"token punctuation\">.<\/span>on_process<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            tk<span class=\"token punctuation\">.<\/span>messagebox<span class=\"token punctuation\">.<\/span>showwarning<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8b66\u544a&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u8bf7\u8f93\u5165\u91d1\u878d\u65b0\u95fb\u6587\u672c&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h5>5.3.3 \u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790<\/h5>\n<p>\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u662f\u7cfb\u7edf\u7684\u6838\u5fc3\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u7684\u5b9e\u73b0\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> transformers <span class=\"token keyword\">import<\/span> BertTokenizer<span class=\"token punctuation\">,<\/span> BertForSequenceClassification<br \/>\n<span class=\"token keyword\">import<\/span> torch<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">analyze_financial_news_sentiment_bert<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> model_name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;yiyanghkust\/finbert-tone&#039;<\/span><span class=\"token punctuation\">,<\/span> num_labels<span class=\"token operator\">&#061;<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    tokenizer <span class=\"token operator\">&#061;<\/span> BertTokenizer<span class=\"token punctuation\">.<\/span>from_pretrained<span class=\"token punctuation\">(<\/span>model_name<span class=\"token punctuation\">)<\/span><br \/>\n    model <span class=\"token operator\">&#061;<\/span> BertForSequenceClassification<span class=\"token punctuation\">.<\/span>from_pretrained<span class=\"token punctuation\">(<\/span>model_name<span class=\"token punctuation\">,<\/span> num_labels<span class=\"token operator\">&#061;<\/span>num_labels<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u7f16\u7801\u8f93\u5165\u6587\u672c<\/span><br \/>\n    inputs <span class=\"token operator\">&#061;<\/span> tokenizer<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">,<\/span> return_tensors<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;pt&#039;<\/span><span class=\"token punctuation\">,<\/span> max_length<span class=\"token operator\">&#061;<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span> truncation<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">,<\/span> padding<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    outputs <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">(<\/span><span class=\"token operator\">**<\/span>inputs<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># \u8ba1\u7b97\u5206\u7c7b\u7ed3\u679c<\/span><br \/>\n    probs <span class=\"token operator\">&#061;<\/span> torch<span class=\"token punctuation\">.<\/span>nn<span class=\"token punctuation\">.<\/span>functional<span class=\"token punctuation\">.<\/span>softmax<span class=\"token punctuation\">(<\/span>outputs<span class=\"token punctuation\">.<\/span>logits<span class=\"token punctuation\">,<\/span> dim<span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    label <span class=\"token operator\">&#061;<\/span> torch<span class=\"token punctuation\">.<\/span>argmax<span class=\"token punctuation\">(<\/span>probs<span class=\"token punctuation\">,<\/span> dim<span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>item<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> label <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u79ef\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> label <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u6d88\u6781&#034;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u4e2d\u6027&#034;<\/span><\/p>\n<h5>5.3.4 \u7ed3\u679c\u53ef\u89c6\u5316<\/h5>\n<p>\u7ed3\u679c\u53ef\u89c6\u5316\u662f\u7cfb\u7edf\u7684\u91cd\u8981\u529f\u80fd\u4e4b\u4e00\u3002\u4ee5\u4e0b\u662f\u7ed3\u679c\u53ef\u89c6\u5316\u7684\u5b9e\u73b0\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> tkinter <span class=\"token keyword\">as<\/span> tk<br \/>\n<span class=\"token keyword\">from<\/span> tkinter <span class=\"token keyword\">import<\/span> scrolledtext<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ResultFrame<\/span><span class=\"token punctuation\">(<\/span>tk<span class=\"token punctuation\">.<\/span>Frame<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> parent<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        tk<span class=\"token punctuation\">.<\/span>Frame<span class=\"token punctuation\">.<\/span>__init__<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> parent<span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>parent <span class=\"token operator\">&#061;<\/span> parent<\/p>\n<p>        <span class=\"token comment\"># \u521b\u5efa\u7ec4\u4ef6<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>create_widgets<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_widgets<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u7ed3\u679c\u663e\u793a\u533a\u57df<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_text <span class=\"token operator\">&#061;<\/span> scrolledtext<span class=\"token punctuation\">.<\/span>ScrolledText<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> width<span class=\"token operator\">&#061;<\/span><span class=\"token number\">60<\/span><span class=\"token punctuation\">,<\/span> height<span class=\"token operator\">&#061;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_text<span class=\"token punctuation\">.<\/span>pack<span class=\"token punctuation\">(<\/span>pady<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> padx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> fill<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;both&#034;<\/span><span class=\"token punctuation\">,<\/span> expand<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">display_result<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u6e05\u7a7a\u7ed3\u679c<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_text<span class=\"token punctuation\">.<\/span>delete<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;1.0&#034;<\/span><span class=\"token punctuation\">,<\/span> tk<span class=\"token punctuation\">.<\/span>END<span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u663e\u793a\u7ed3\u679c<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_text<span class=\"token punctuation\">.<\/span>insert<span class=\"token punctuation\">(<\/span>tk<span class=\"token punctuation\">.<\/span>END<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">)<\/span><\/p>\n<h5>5.3.5 \u7528\u6237\u754c\u9762<\/h5>\n<p>\u7528\u6237\u754c\u9762\u662f\u7cfb\u7edf\u7684\u4ea4\u4e92\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u7528\u6237\u754c\u9762\u7684\u5b9e\u73b0\u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> tkinter <span class=\"token keyword\">as<\/span> tk<br \/>\n<span class=\"token keyword\">from<\/span> tkinter <span class=\"token keyword\">import<\/span> ttk<span class=\"token punctuation\">,<\/span> messagebox<\/p>\n<p><span class=\"token keyword\">from<\/span> financial_news_input_frame <span class=\"token keyword\">import<\/span> FinancialNewsInputFrame<br \/>\n<span class=\"token keyword\">from<\/span> result_frame <span class=\"token keyword\">import<\/span> ResultFrame<br \/>\n<span class=\"token keyword\">from<\/span> financial_news_sentiment_analysis_functions <span class=\"token keyword\">import<\/span> analyze_financial_news_sentiment_bert<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FinancialNewsSentimentAnalysisApp<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>root <span class=\"token operator\">&#061;<\/span> root<br \/>\n        self<span class=\"token punctuation\">.<\/span>root<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u521b\u5efa\u7ec4\u4ef6<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>create_widgets<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">create_widgets<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token comment\"># \u91d1\u878d\u65b0\u95fb\u6587\u672c\u8f93\u5165\u548c\u5904\u7406\u533a\u57df<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>financial_news_input_frame <span class=\"token operator\">&#061;<\/span> FinancialNewsInputFrame<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>root<span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>process_text<span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>financial_news_input_frame<span class=\"token punctuation\">.<\/span>pack<span class=\"token punctuation\">(<\/span>pady<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> padx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> fill<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;both&#034;<\/span><span class=\"token punctuation\">,<\/span> expand<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>        <span class=\"token comment\"># \u7ed3\u679c\u663e\u793a\u533a\u57df<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_frame <span class=\"token operator\">&#061;<\/span> ResultFrame<span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>result_frame<span class=\"token punctuation\">.<\/span>pack<span class=\"token punctuation\">(<\/span>pady<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> padx<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> fill<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;both&#034;<\/span><span class=\"token punctuation\">,<\/span> expand<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">process_text<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            label <span class=\"token operator\">&#061;<\/span> analyze_financial_news_sentiment_bert<span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><br \/>\n            self<span class=\"token punctuation\">.<\/span>result_frame<span class=\"token punctuation\">.<\/span>display_result<span class=\"token punctuation\">(<\/span>label<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">except<\/span> Exception <span class=\"token keyword\">as<\/span> e<span class=\"token punctuation\">:<\/span><br \/>\n            messagebox<span class=\"token punctuation\">.<\/span>showerror<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9519\u8bef&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u5904\u7406\u5931\u8d25&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> __name__ <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;__main__&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    root <span class=\"token operator\">&#061;<\/span> tk<span class=\"token punctuation\">.<\/span>Tk<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    app <span class=\"token operator\">&#061;<\/span> FinancialNewsSentimentAnalysisApp<span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n    root<span class=\"token punctuation\">.<\/span>mainloop<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>5.4 \u7cfb\u7edf\u8fd0\u884c\u4e0e\u6d4b\u8bd5<\/h4>\n<h5>5.4.1 \u7cfb\u7edf\u8fd0\u884c<\/h5>\n<p>\u8fd0\u884c\u7cfb\u7edf\u65f6&#xff0c;\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u5b89\u88c5\u6240\u9700\u7684\u5e93<\/li>\n<li>\u8fd0\u884c financial_news_sentiment_analysis_app.py \u6587\u4ef6<\/li>\n<li>\u8f93\u5165\u91d1\u878d\u65b0\u95fb\u6587\u672c<\/li>\n<li>\u70b9\u51fb\u60c5\u611f\u5206\u6790\u6309\u94ae<\/li>\n<li>\u67e5\u770b\u7ed3\u679c<\/li>\n<h5>5.4.2 \u7cfb\u7edf\u6d4b\u8bd5<\/h5>\n<p>\u7cfb\u7edf\u6d4b\u8bd5\u65f6&#xff0c;\u9700\u8981\u4f7f\u7528\u4e00\u4e9b\u6d4b\u8bd5\u91d1\u878d\u65b0\u95fb\u6587\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u91d1\u878d\u65b0\u95fb\u6587\u672c\u793a\u4f8b&#xff1a;<\/p>\n<li>\u6d4b\u8bd5\u91d1\u878d\u65b0\u95fb\u6587\u672c&#xff1a;\u201c\u8be5\u516c\u53f8\u53d1\u5e03\u4e86\u4e00\u4efd\u5f3a\u52b2\u7684\u5b63\u5ea6\u8d22\u62a5&#xff0c;\u8425\u6536\u589e\u957f\u4e8620%&#xff0c;\u5229\u6da6\u589e\u957f\u4e8615%\u3002\u201d<\/li>\n<li>\u6d4b\u8bd5\u64cd\u4f5c&#xff1a;\n<ul>\n<li>\u8f93\u5165\u91d1\u878d\u65b0\u95fb\u6587\u672c<\/li>\n<li>\u70b9\u51fb\u60c5\u611f\u5206\u6790\u6309\u94ae<\/li>\n<li>\u67e5\u770b\u7ed3\u679c<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<p>\u672c\u7ae0\u4ecb\u7ecd\u4e86NLP\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u573a\u666f\u548c\u91cd\u8981\u6027&#xff0c;\u4ee5\u53ca\u6838\u5fc3\u6280\u672f&#xff08;\u5982\u6587\u672c\u5206\u7c7b\u3001\u60c5\u611f\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30&#xff09;\u3002\u540c\u65f6&#xff0c;\u672c\u7ae0\u8fd8\u4ecb\u7ecd\u4e86\u524d\u6cbf\u6a21\u578b&#xff08;\u5982BERT\u3001GPT-3&#xff09;\u5728\u91d1\u878d\u9886\u57df\u7684\u4f7f\u7528\u548c\u91d1\u878d\u9886\u57df\u7684\u7279\u6b8a\u6311\u6218\u3002\u6700\u540e&#xff0c;\u901a\u8fc7\u5b9e\u6218\u9879\u76ee&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u5f00\u53d1\u4e00\u4e2a\u91d1\u878d\u65b0\u95fb\u60c5\u611f\u5206\u6790\u5e94\u7528\u3002<\/p>\n<p>NLP\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb&#xff0c;\u5b83\u53ef\u4ee5\u5e2e\u52a9\u91d1\u878d\u673a\u6784\u548c\u6295\u8d44\u8005\u4e86\u89e3\u5e02\u573a\u52a8\u6001\u3001\u8bc4\u4f30\u98ce\u9669\u3001\u505a\u51fa\u51b3\u7b56\u3002\u901a\u8fc7\u5b66\u4e60\u672c\u7ae0\u7684\u5185\u5bb9&#xff0c;\u8bfb\u8005\u53ef\u4ee5\u638c\u63e1NLP\u5728\u91d1\u878d\u9886\u57df\u7684\u5f00\u53d1\u65b9\u6cd5\u548c\u6280\u5de7&#xff0c;\u5177\u5907\u5f00\u53d1\u91d1\u878d\u9886\u57dfNLP\u5e94\u7528\u7684\u80fd\u529b\u3002\u540c\u65f6&#xff0c;\u901a\u8fc7\u5b9e\u6218\u9879\u76ee&#xff0c;\u8bfb\u8005\u53ef\u4ee5\u5c06\u6240\u5b66\u77e5\u8bc6\u5e94\u7528\u5230\u5b9e\u9645\u9879\u76ee\u4e2d&#xff0c;\u8fdb\u4e00\u6b65\u63d0\u5347\u81ea\u5df1\u7684\u6280\u80fd\u6c34\u5e73\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u81ea\u7136\u8bed\u8a00\u5904\u7406\u5728\u91d1\u878d\u9886\u57df\u7684\u5e94\u7528\u4e0e\u5b9e\u6218\u5b66\u4e60\u76ee\u6807<br 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