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\/><\/p>\n<h3>\u4e94\u3001K-means\u805a\u7c7b\u7b97\u6cd5\u90e8\u5206\u6a21\u5757\u6838\u5fc3\u4ee3\u7801<\/h3>\n<p>\u5728\u5fae\u535a\u8206\u60c5\u5206\u6790\u7cfb\u7edf\u4e2d&#xff0c;K-means\u805a\u7c7b\u7b97\u6cd5\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6587\u672c\u6570\u636e\u5206\u6790\u6280\u672f&#xff0c;\u901a\u8fc7\u5bf9\u5fae\u535a\u5185\u5bb9\u8fdb\u884c\u805a\u7c7b&#xff0c;\u53ef\u4ee5\u5c06\u76f8\u4f3c\u4e3b\u9898\u6216\u5185\u5bb9\u7684\u5fae\u535a\u5f52\u4e3a\u540c\u4e00\u7c7b\u522b&#xff0c;\u4ece\u800c\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u52a0\u4e2a\u6027\u5316\u7684\u65b0\u95fb\u63a8\u8350\u670d\u52a1\u3002K-means\u805a\u7c7b\u7b97\u6cd5\u662f\u4e00\u79cd\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5&#xff0c;\u5176\u4e3b\u8981\u76ee\u6807\u662f\u5c06\u6570\u636e\u96c6\u4e2d\u7684\u6837\u672c\u5212\u5206\u4e3aK\u4e2a\u4e0d\u540c\u7684\u7c07&#xff0c;\u4f7f\u5f97\u540c\u4e00\u7c07\u5185\u7684\u6837\u672c\u5f7c\u6b64\u76f8\u4f3c\u5ea6\u8f83\u9ad8&#xff0c;\u800c\u4e0d\u540c\u7c07\u4e4b\u95f4\u7684\u6837\u672c\u76f8\u4f3c\u5ea6\u8f83\u4f4e\u3002\u5728\u5fae\u535a\u8206\u60c5\u5206\u6790\u7cfb\u7edf\u4e2d&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5c06\u5fae\u535a\u5185\u5bb9\u89c6\u4f5c\u6570\u636e\u96c6\u4e2d\u7684\u6837\u672c&#xff0c;\u901a\u8fc7K-means\u7b97\u6cd5\u5c06\u5fae\u535a\u5185\u5bb9\u8fdb\u884c\u805a\u7c7b&#xff0c;\u7136\u540e\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5173\u952e\u8bcd\u6216\u5185\u5bb9&#xff0c;\u63a8\u8350\u5c5e\u4e8e\u540c\u4e00\u7c07\u7684\u5fae\u535a\u5185\u5bb9\u3002\u5728\u6570\u636e\u9884\u5904\u7406\u65b9\u9762&#xff0c;\u9700\u8981\u5bf9\u5fae\u535a\u5185\u5bb9\u8fdb\u884c\u9884\u5904\u7406&#xff0c;\u5305\u62ec\u53bb\u9664\u505c\u7528\u8bcd\u3001\u6807\u70b9\u7b26\u53f7\u7b49&#xff0c;\u5c06\u6587\u672c\u6570\u636e\u8f6c\u6362\u4e3a\u53ef\u7528\u4e8e\u805a\u7c7b\u7684\u6570\u503c\u578b\u5411\u91cf\u8868\u793a\u3002\u5728\u7279\u5f81\u63d0\u53d6\u65b9\u9762&#xff0c;\u5229\u7528TF-IDF\u7b49\u6587\u672c\u7279\u5f81\u63d0\u53d6\u65b9\u6cd5&#xff0c;\u5c06\u9884\u5904\u7406\u540e\u7684\u6587\u672c\u6570\u636e\u8f6c\u6362\u4e3a\u7279\u5f81\u5411\u91cf\u8868\u793a&#xff0c;\u4ee5\u4fbf\u8fdb\u884c\u805a\u7c7b\u5206\u6790\u3002\u5728\u805a\u7c7b\u5206\u6790\u65b9\u9762&#xff0c;\u4f7f\u7528K-means\u7b97\u6cd5\u5bf9\u7279\u5f81\u5411\u91cf\u8fdb\u884c\u805a\u7c7b&#xff0c;\u5c06\u5fae\u535a\u5185\u5bb9\u5212\u5206\u4e3a\u4e0d\u540c\u7684\u7c07&#xff0c;\u5176\u4e2dK\u503c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u5728\u7528\u6237\u8f93\u5165\u5904\u7406\u65b9\u9762&#xff0c;\u5f53\u7528\u6237\u8f93\u5165\u5173\u952e\u8bcd\u6216\u5185\u5bb9\u65f6&#xff0c;\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u9884\u5904\u7406&#xff0c;\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u7279\u5f81\u5411\u91cf\u8868\u793a\u3002\u5728\u7c07\u5206\u914d\u65b9\u9762&#xff0c;\u5229\u7528\u8bad\u7ec3\u597d\u7684K-means\u6a21\u578b&#xff0c;\u5c06\u7528\u6237\u8f93\u5165\u7684\u7279\u5f81\u5411\u91cf\u5206\u914d\u5230\u5bf9\u5e94\u7684\u7c07\u4e2d\u3002\u5728\u63a8\u8350\u751f\u6210\u65b9\u9762&#xff0c;\u4ece\u7528\u6237\u8f93\u5165\u6240\u5c5e\u7684\u7c07\u4e2d&#xff0c;\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u559c\u597d\u548c\u504f\u597d\u8fdb\u884c\u6392\u5e8f\u6216\u8fc7\u6ee4\u3002\u5728\u7ed3\u679c\u5448\u73b0\u65b9\u9762&#xff0c;\u5c06\u63a8\u8350\u7ed3\u679c\u4ee5\u5217\u8868\u6216\u5361\u7247\u7684\u5f62\u5f0f\u5c55\u793a\u7ed9\u7528\u6237&#xff0c;\u540c\u65f6\u63d0\u4f9b\u5fae\u535a\u5185\u5bb9\u7684\u94fe\u63a5\u6216\u6458\u8981&#xff0c;\u65b9\u4fbf\u7528\u6237\u67e5\u770b\u548c\u9605\u8bfb\u3002\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\u65b9\u9762&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u57fa\u4e8eK-means\u805a\u7c7b\u7b97\u6cd5\u7684\u5fae\u535a\u5185\u5bb9\u63a8\u8350\u529f\u80fd\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u8f93\u5165\u611f\u5174\u8da3\u7684\u5173\u952e\u8bcd\u6216\u5185\u5bb9&#xff0c;\u7cfb\u7edf\u5c06\u81ea\u52a8\u4ece\u76f8\u4f3c\u4e3b\u9898\u7684\u5fae\u535a\u4e2d\u9009\u53d6\u5e76\u63a8\u8350\u76f8\u5173\u5185\u5bb9&#xff0c;\u4e3a\u7528\u6237\u63d0\u4f9b\u4e2a\u6027\u5316\u7684\u4fe1\u606f\u670d\u52a1\u3002<\/p>\n<p>documents <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;content&#039;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\"># Define a function to preprocess the text data (e.g., remove punctuation, stopwords, etc.)<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">preprocess_text<\/span><span class=\"token punctuation\">(<\/span>text<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># Add your preprocessing steps here<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> text<\/p>\n<p><span class=\"token comment\"># Apply preprocessing to the documents<\/span><br \/>\nprocessed_documents <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>preprocess_text<span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">for<\/span> doc <span class=\"token keyword\">in<\/span> documents<span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\"># Convert text data into numerical vectors using TF-IDF<\/span><br \/>\nvectorizer <span class=\"token operator\">&#061;<\/span> TfidfVectorizer<span class=\"token punctuation\">(<\/span>max_df<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.8<\/span><span class=\"token punctuation\">,<\/span> min_df<span class=\"token operator\">&#061;<\/span><span class=\"token number\">2<\/span><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 \/>\nX <span class=\"token operator\">&#061;<\/span> vectorizer<span class=\"token punctuation\">.<\/span>fit_transform<span class=\"token punctuation\">(<\/span>processed_documents<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># Define the K-means model<\/span><br \/>\nnum_clusters <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">15<\/span>  <span class=\"token comment\"># You can adjust this parameter based on your needs<\/span><br \/>\nkmeans <span class=\"token operator\">&#061;<\/span> KMeans<span class=\"token punctuation\">(<\/span>n_clusters<span class=\"token operator\">&#061;<\/span>num_clusters<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 \/>\nkmeans<span class=\"token punctuation\">.<\/span>fit<span class=\"token punctuation\">(<\/span>X<span class=\"token punctuation\">)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260213084144-698ee3c840508.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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