{"id":1812,"date":"2025-01-20T07:57:00","date_gmt":"2025-01-19T23:57:00","guid":{"rendered":"https:\/\/blog.laoyulaoyu.top\/?p=1812"},"modified":"2024-12-26T20:00:41","modified_gmt":"2024-12-26T12:00:41","slug":"%e6%8f%ad%e7%a7%98%e8%82%a1%e5%b8%82%ef%bc%9aai%e8%81%9a%e7%b1%bb%e7%ae%97%e6%b3%95%e6%8f%ad%e7%a4%ba%e4%ba%94%e5%a4%a7%e9%9a%90%e8%97%8f%e8%82%a1%e7%a5%a8%e7%be%a4%e4%bd%93%ef%bc%88%e9%99%84%e6%ba%90","status":"publish","type":"post","link":"https:\/\/www.laoyulaoyu.com\/index.php\/2025\/01\/20\/%e6%8f%ad%e7%a7%98%e8%82%a1%e5%b8%82%ef%bc%9aai%e8%81%9a%e7%b1%bb%e7%ae%97%e6%b3%95%e6%8f%ad%e7%a4%ba%e4%ba%94%e5%a4%a7%e9%9a%90%e8%97%8f%e8%82%a1%e7%a5%a8%e7%be%a4%e4%bd%93%ef%bc%88%e9%99%84%e6%ba%90\/","title":{"rendered":"\u63ed\u79d8\u80a1\u5e02\uff1aAI\u805a\u7c7b\u7b97\u6cd5\u63ed\u793a\u4e94\u5927\u9690\u85cf\u80a1\u7968\u7fa4\u4f53\uff08\u9644\u6e90\u7801\uff09"},"content":{"rendered":"\n<p>\u4f5c\u8005\uff1a<a href=\"https:\/\/www.laoyulaoyu.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8001\u4f59\u635e\u9c7c<\/a><\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-cyan-bluish-gray-color\">\u539f\u521b\u4e0d\u6613\uff0c\u8f6c\u8f7d\u8bf7\u6807\u660e\u51fa\u5904\u53ca\u539f\u4f5c\u8005\u3002<\/mark><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.laoyulaoyu.com\/wp-content\/uploads\/2024\/12\/122601.png\" alt=\"\" class=\"wp-image-3597\"\/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<pre class=\"wp-block-verse\"><strong>\u5199\u5728\u524d\u9762\u7684\u8bdd\uff1a<\/strong>\u5927\u5bb6\u597d\uff01\u4eca\u5929\u6211\u8981\u4e0e\u5927\u5bb6\u5206\u4eab\u4e00\u4e2a\u4ee4\u4eba\u5174\u594b\u7684\u8bdd\u9898\uff1a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u4eba\u5de5\u667a\u80fd\u5982\u4f55\u63ed\u793a\u80a1\u5e02\u4e2d\u7684\u9690\u85cf\u6a21\u5f0f<\/mark>\u3002\u901a\u8fc7\u6df1\u5165\u7814\u7a76\u5148\u8fdb\u7684K-means\u805a\u7c7b\u7b97\u6cd5\uff0c\u6211\u4eec\u610f\u5916\u5730\u53d1\u73b0\u4e86\u80a1\u5e02\u4e2d\u4e94\u5927\u72ec\u7279\u7684\u80a1\u7968\u7fa4\u4f53\u3002\u8fd9\u4e9b\u7fa4\u4f53\u4e0d\u4ec5\u5c55\u73b0\u4e86\u5e02\u573a\u7684\u590d\u6742\u6027\u548c\u591a\u6837\u6027\uff0c\u8fd8\u4e3a\u6295\u8d44\u8005\u63d0\u4f9b\u4e86\u66f4\u4e3a\u7cbe\u51c6\u7684\u6295\u8d44\u65b9\u5411\u548c\u7b56\u7565\u3002\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u63a2\u5bfb\u5176\u4e2d\u7684\u6295\u8d44\u673a\u4f1a\u5427\uff01<\/pre>\n<\/blockquote>\n\n\n\n<p>\u4f60\u662f\u5426\u597d\u5947\u8fc7\u80a1\u5e02\u91cc\u90a3\u4e9b\u5de8\u5934\u516c\u53f8\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u7684\u9690\u79d8\u903b\u8f91\u5173\u7cfb\uff1f\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4e00\u540c\u63a2\u7d22\u4e00\u9879\u9887\u5177\u6d1e\u5bdf\u529b\u7684\u5206\u6790\u7814\u7a76\uff0c\u5b83\u501f\u52a9\u673a\u5668\u5b66\u4e60\u7684\u5f3a\u5927\u80fd\u529b\uff0c\u63ed\u5f00\u4e86\u5e02\u573a\u4e2d\u5e02\u503c\u524d50\u4f4d\u80a1\u7968\u4e4b\u95f4\u4e0d\u4e3a\u4eba\u77e5\u7684\u5173\u8054\u4e4b\u8c1c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001\u4ec0\u4e48\u662fK\u5747\u503c\u805a\u7c7b\uff1f<\/strong><\/h2>\n\n\n\n<p>K\u5747\u503c\u805a\u7c7b\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\uff0c\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u805a\u7c7b\u5206\u6790\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u5206\u6790\u4efb\u52a1\u3002\u5b83\u901a\u8fc7\u5c06\u6570\u636e\u70b9\u5206\u7ec4\u5230 K \u4e2a\u9884\u5b9a\u4e49\u7684\u7c07\u4e2d\uff0c\u5e2e\u52a9\u6211\u4eec\u8bc6\u522b\u6570\u636e\u4e2d\u7684\u6a21\u5f0f\u548c\u7ed3\u6784\u3002\u5176\u5de5\u4f5c\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.laoyulaoyu.com\/wp-content\/uploads\/2024\/12\/image-208.png\" alt=\"\" class=\"wp-image-3598\"\/><\/figure>\n\n\n\n<p>K\u5747\u503c\u805a\u7c7b\u5728\u591a\u4e2a\u9886\u57df\u4e2d\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.laoyulaoyu.com\/wp-content\/uploads\/2024\/12\/image-209.png\" alt=\"\" class=\"wp-image-3599\"\/><\/figure>\n\n\n\n<p>K\u5747\u503c\u805a\u7c7b\u662f\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u805a\u7c7b\u7b97\u6cd5\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u5206\u6790\u4efb\u52a1\u3002\u5c3d\u7ba1\u5b83\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\u8868\u73b0\u826f\u597d\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u5982\u5bf9\u521d\u59cb\u7c07\u4e2d\u5fc3\u7684\u654f\u611f\u6027\u548c\u5bf9\u566a\u58f0\u6570\u636e\u7684\u8106\u5f31\u6027\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684 K \u503c\u548c\u9884\u5904\u7406\u6570\u636e\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001AI\u9a71\u52a8\u805a\u7c7b\u7684\u529b\u91cf<\/strong><\/h2>\n\n\n\n<p>\u901a\u8fc7 K \u5747\u503c\u805a\u7c7b\uff0c\u6211\u4eec\u5728\u7f8e\u80a1\u5e02\u573a\u7684\u91cd\u91cf\u7ea7\u4f01\u4e1a\uff08\u5e02\u503c\u524d50\u4f4d\u80a1\u7968\uff09\u4e2d\u53d1\u73b0\u4e86\u4e94\u4e2a\u4e0d\u540c\u7684\u7fa4\u4f53\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.laoyulaoyu.com\/wp-content\/uploads\/2024\/12\/image-210.png\" alt=\"\" class=\"wp-image-3600\"\/><\/figure>\n\n\n\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6bcf\u4e2a\u7fa4\u7ec4\u90fd\u8bb2\u8ff0\u4e86\u5404\u81ea\u72ec\u7279\u7684\u5e02\u573a\u52a8\u6001\u548c\u884c\u4e1a\u5173\u7cfb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.1 \u8868\u73b0\u7a33\u5b9a\u7ec4<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u4e9b\u516c\u53f8\u662f\u80a1\u5e02\u7684\u4e2d\u575a\u529b\u91cf\uff08\u4e0a\u56fe\u4e2d\u7684\u7d2b\u8272\u5706\u70b9\uff09\uff0c\u5177\u4f53\u5305\u62ec\u8fd9\u4e9b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6d88\u8d39\u54c1\uff1a<\/strong>\u53ef\u53e3\u53ef\u4e50\uff08&#8221;KO&#8221;\uff09\u3001\u767e\u4e8b\u53ef\u4e50\uff08&#8221;PEP&#8221;\uff09\u3001\u5b9d\u6d01\uff08&#8221;PG&#8221;\uff09\u3001\u9ea6\u5f53\u52b3\uff08&#8221;MCD&#8221;\uff09\u3002<\/li>\n\n\n\n<li><strong>\u533b\u7597\u4fdd\u5065\u5de8\u5934\uff1a<\/strong>\u8f89\u745e\uff08&#8221;PFE&#8221;\uff09\u3001\u9ed8\u514b\uff08&#8221;MRK&#8221;\uff09\u3001\u793c\u6765\uff08&#8221;LLY&#8221;\uff09\u3001\u8054\u5408\u5065\u5eb7\uff08&#8221;UNH&#8221;\uff09\u3002<\/li>\n\n\n\n<li><strong>\u84dd\u7b79\u80a1\uff1a<\/strong>\u4f2f\u514b\u5e0c\u5c14\u54c8\u6492\u97e6\u516c\u53f8\uff08&#8221;BRK-B&#8221;\uff09\u3001\u5f3a\u751f\u516c\u53f8\uff08&#8221;JNJ&#8221;\uff09\u3001\u6c83\u5c14\u739b\u516c\u53f8\uff08&#8221;WMT&#8221;\uff09\u3002<\/li>\n\n\n\n<li><strong>\u79d1\u6280\u5de8\u5934\uff08\u7a33\u5b9a\u7248\uff09\uff1a<\/strong>\u7532\u9aa8\u6587\uff08&#8221;ORCL&#8221;\uff09\u3001\u601d\u79d1\uff08&#8221;CSCO&#8221;\uff09\u3001IBM\u3002<\/li>\n<\/ul>\n\n\n\n<p>AI \u5c06\u5b83\u4eec\u805a\u7c7b\u5230\u4e00\u8d77\u7684\u539f\u56e0\u6765\u81ea\u4e8e\u8fd9\u4e09\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f01\u4e1a\u7ecf\u8425\u53ef\u9760\u3001\u73b0\u91d1\u6d41\u5145\u88d5\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u80a1\u7968\u6ce2\u52a8\u5c0f\uff0c\u56de\u62a5\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>\u5728\u7ecf\u6d4e\u4f4e\u8ff7\u65f6\u671f\uff0c\u5b83\u4eec\u7684\u8868\u73b0\u5f80\u5f80\u4f18\u4e8e\u5176\u4ed6\u4ea7\u54c1\uff0c\u56e0\u6b64\u5728\u4e0d\u786e\u5b9a\u56e0\u7d20\u7b3c\u7f69\u65f6\uff0c\u5b83\u4eec\u662f\u6295\u8d44\u8005\u7684\u6700\u7231\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.2 \u521b\u65b0\u8005\u7ec4<\/strong><\/h3>\n\n\n\n<p>AI \u5c06\u5b83\u4eec\u805a\u7c7b\u5230\u4e00\u8d77\u7684\u539f\u56e0\u662f\u9ad8\u589e\u957f\uff0c\u6240\u4ee5\u79f0\u4e4b\u4e3a\u521b\u65b0\u8005\uff08\uff08\u4e0a\u56fe\u4e2d\u7684\u6df1\u84dd\u8272\u5706\u70b9\uff09\u3002<\/p>\n\n\n\n<p>\u5305\u62ec\uff1aMeta\uff08&#8221;META&#8221;\uff09\u3001NVIDIA\uff08&#8221;NVDA&#8221;\uff09\u3001Adobe\uff08&#8221;ADBE&#8221;\uff09\u3001Salesforce\uff08&#8221;CRM&#8221;\uff09\u3002<\/p>\n\n\n\n<p>\u805a\u7c7b\u5230\u4e00\u8d77\u7684\u539f\u56e0\u6765\u81ea\u4e8e\u8fd9\u4e09\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fd9\u4e9b\u516c\u53f8\u56e0\u521b\u65b0\u800c\u8301\u58ee\u6210\u957f\u3002<\/li>\n\n\n\n<li>\u53d1\u5c55\u5feb\u901f\u3001\u8fc5\u731b\uff0c\u5728\u4eba\u5de5\u667a\u80fd\u3001\u4e91\u8ba1\u7b97\u548c\u6570\u5b57\u5316\u8f6c\u578b\u7684\u6d6a\u6f6e\u4e2d\u4e58\u98ce\u7834\u6d6a\u3002<\/li>\n\n\n\n<li>\u5b83\u4eec\u5f88\u4e0d\u7a33\u5b9a\uff0c\u4f46\u5f53\u6574\u4e2a\u5e02\u573a\u5f88\u597d\u65f6\uff0c\u56de\u62a5\u662f\u5de8\u5927\u7684\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.3 \u91d1\u878d\u4e0e\u80fd\u6e90\u7ec4\u5408<\/strong><\/h3>\n\n\n\n<p>\u805a\u7c7b\u7b97\u6cd5\u53d1\u73b0\u8fd9\u4e9b\u80a1\u7968\u4e0e\u5b8f\u89c2\u7ecf\u6d4e\u8d8b\u52bf\u5bc6\u5207\u76f8\u5173\u3002\u6bd4\u5982\u91d1\u878d\u3001\u80fd\u6e90\u548c\u5de5\u4e1a\u7c7b\u80a1\u7968\uff08\u4e0a\u56fe\u4e2d\u7684\u6d45\u7eff\u8272\u5706\u70b9\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91d1\u878d\u5de8\u5934\uff1a\u6469\u6839\u58eb\u4e39\u5229\uff08&#8221;MS&#8221;\uff09\u3001\u7f8e\u56fd\u94f6\u884c\uff08&#8221;BAC&#8221;\uff09\u3001\u6469\u6839\u5927\u901a\uff08&#8221;JPM&#8221;\uff09\u3002<\/li>\n\n\n\n<li>\u80fd\u6e90\u5de8\u5934\uff1a\u96ea\u4f5b\u9f99\uff08&#8221;CVX&#8221;\uff09\u3001\u57c3\u514b\u68ee\u7f8e\u5b5a\uff08&#8221;XOM&#8221;\uff09\u3002<\/li>\n\n\n\n<li>\u5a31\u4e50\u5de8\u5934\uff1a\u8fea\u65af\u5c3c\uff08&#8221;DIS&#8221;\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u805a\u7c7b\u5230\u4e00\u8d77\u7684\u539f\u56e0\u6765\u81ea\u4e8e\u8fd9\u4e09\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b83\u4eec\u7684\u8868\u73b0\u4e0e\u5229\u7387\u3001\u6cb9\u4ef7\u548c\u5168\u7403\u7ecf\u6d4e\u5065\u5eb7\u72b6\u51b5\u606f\u606f\u76f8\u5173\u3002<\/li>\n\n\n\n<li>\u5b83\u4eec\u662f\u5468\u671f\u6027\u7684\uff0c\u5f80\u5f80\u968f\u7740\u6574\u4f53\u7ecf\u6d4e\u7684\u8d77\u4f0f\u800c\u8d77\u4f0f\u3002<\/li>\n\n\n\n<li>\u7ecf\u6d4e\u7e41\u8363\u65f6\uff0c\u4ed6\u4eec\u5927\u653e\u5f02\u5f69\uff0c\u4f46\u7ecf\u6d4e\u8870\u9000\u65f6\u5c31\u6ca1\u90a3\u4e48\u597d\u4e86\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.4 \u79d1\u6280\u5de8\u5934\u7ec4<\/strong><\/h3>\n\n\n\n<p>\u534a\u5bfc\u4f53\u548c\u786c\u4ef6\u6280\u672f\u5728\u8fd9\u91cc\u805a\u96c6\uff0c\u8fd9\u4e00\u5207\u90fd\u4e0e\u82af\u7247\u6709\u5173\u3002\u8fd9\u91cc\u6c47\u805a\u4e86\u4e00\u4e9b\u79d1\u6280\u754c\u7684\u5927\u8155\uff08\u4e0a\u56fe\u4e2d\u7684\u9ec4\u8272\u5706\u70b9\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AAPL \u82f9\u679c<\/li>\n\n\n\n<li>MSFT \u5fae\u8f6f<\/li>\n\n\n\n<li>GOOGL \u8c37\u6b4c<\/li>\n\n\n\n<li>AMZN \u52a0\u4e0a INTC\u3001AVGO \u548c TXN \u7b49\u534a\u5bfc\u4f53\u4f01\u4e1a<\/li>\n<\/ul>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u805a\u7c7b\u7b97\u6cd5\u5b83\u4eec\u96c6\u4e2d\u5728\u4e00\u8d77\uff1f<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fd9\u4e9b\u80a1\u7968\u5171\u540c\u53d7\u5230\u534a\u5bfc\u4f53\u5468\u671f\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u5b83\u4eec\u7684\u6027\u80fd\u53d6\u51b3\u4e8e\u5bf9\u82af\u7247\u30015G \u548c\u7269\u8054\u7f51\u8bbe\u5907\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u5468\u671f\u6027\u5f3a\uff0c\u4f46\u5728\u79d1\u6280\u65f6\u4ee3\u5177\u6709\u5de8\u5927\u6f5c\u529b\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.5 \u5b64\u72fc\u7ec4\uff08&nbsp;The Lone Wolf \uff09<\/strong><\/h3>\n\n\n\n<p>AI \u5c06\u7279\u65af\u62c9\uff08&#8221;TSLA&#8221;\uff09\u5212\u5230\u4e86\u4e00\u7ec4\uff08\u4e0a\u56fe\u4e2d\u7684\u6df1\u7eff\u8272\u5706\u70b9\uff0c\u53f3\u4e0a\u89d2\uff09\uff0c\u805a\u7c7b\u7b97\u6cd5\u7ed9\u51fa\u7684\u539f\u56e0\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7279\u65af\u62c9\u7684\u6ce2\u52a8\u6027\u65e0\u4e0e\u4f26\u6bd4\uff0c\u7531\u521b\u65b0\u3001\u5e02\u573a\u60c5\u7eea\u548c\u57c3\u9686-\u9a6c\u65af\u514b\u9a71\u52a8\u3002<\/li>\n\n\n\n<li>\u5b83\u4eec\u7684\u56de\u62a5\u6a21\u5f0f\u4e0e\u4f17\u4e0d\u540c\uff0c\u6216\u8005\u8bf4\u662f\u72ec\u6811\u4e00\u5e1c\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e09\u3001\u529f\u80fd\u5b9e\u73b0<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><br><strong>3.1 K-means \u805a\u7c7b<\/strong><\/h3>\n\n\n\n<p>K-means \u805a\u7c7b\u5c31\u50cf\u7ec4\u7ec7\u4e00\u4e2a\u6d3e\u5bf9\uff0c\u6839\u636e\u4f60\u7684\u9700\u6c42\u5bf9\u5b83\u4eec\u8fdb\u884c\u5206\u7ec4\u3002\u4e0b\u9762\u662f\u5de5\u4f5c\u539f\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9996\u5148\uff0c\u6211\u4eec\u51b3\u5b9a\u9700\u8981\u591a\u5c11\u4e2a\u7ec4\uff08\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\uff0c\u9700\u8981 5 \u4e2a\u7ec4\uff09\uff1b<\/li>\n\n\n\n<li>\u7b97\u6cd5\u5728\u6570\u636e\u4e2d\u968f\u673a\u653e\u7f6e 5 \u4e2a &#8220;\u4e2d\u5fc3\u70b9&#8221;\uff1b<\/li>\n\n\n\n<li>\u6bcf\u53ea\u80a1\u7968\u88ab\u5206\u914d\u5230\u6700\u8fd1\u7684\u4e2d\u5fc3\uff1b<\/li>\n\n\n\n<li>\u5c06\u4e2d\u5fc3\u79fb\u81f3\u5176\u6240\u5728\u7ec4\u4e2d\u6240\u6709\u80a1\u7968\u7684\u5e73\u5747\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># Step 1: Prepare the data\nscaler = StandardScaler()\nreturns_scaled = scaler.fit_transform(returns.T)\n\n# Step 2: Apply K-Means Clustering\nkmeans = KMeans(n_clusters=5, random_state=42)\nclusters = kmeans.fit_predict(returns_scaled)<\/code><\/pre>\n\n\n\n<p id=\"f681\">K-means \u4f18\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u65bd\u3002<\/li>\n\n\n\n<li>\u6709\u6548\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u6e05\u6670\u3001\u72ec\u7279\u7684\u5c0f\u7ec4\u3002<\/li>\n\n\n\n<li>\u975e\u5e38\u9002\u5408\u67e5\u627e\u7c7b\u4f3c\u7684\u80a1\u7968\u884c\u4e3a\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.2 \u4e3b\u6210\u5206\u5206\u6790 (PCA)&nbsp;<\/strong><\/h3>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e0b\u4f60\u5982\u4f55\u62cd\u6444\u4e09\u7ef4\u7269\u4f53\u7684\u7167\u7247\uff1a\u662f\u4e0d\u662f\u5148\u9700\u8981\u5c06\u5176\u5e73\u9762\u5316\u4e3a\u4e8c\u7ef4\uff0c\u540c\u65f6\u4fdd\u7559\u5c3d\u53ef\u80fd\u591a\u7684\u7ec6\u8282\u3002\u8fd9\u5c31\u662f PCA\uff01\u5b83\u5c06\u590d\u6742\u7684\u80a1\u7968\u8d70\u52bf\u8f6c\u5316\u4e3a\u6211\u4eec\u53ef\u4ee5\u76f4\u89c2\u770b\u5230\u7684\u7b80\u5355\u5f62\u5f0f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># Dimensionality Reduction using PCA\npca = PCA(n_components=2)\nreduced_data = pca.fit_transform(returns_scaled)<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528 PCA \u7684\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51cf\u5c11\u6570\u636e\u4e2d\u7684\u566a\u97f3\u3002<\/li>\n\n\n\n<li>\u5b83\u4f7f\u6a21\u5f0f\u66f4\u5bb9\u6613\u53ef\u89c6\u5316\u3002<\/li>\n\n\n\n<li>\u5904\u7406 &#8220;\u7ef4\u5ea6\u8bc5\u5492&#8221;\uff08curse of dimensionality\uff09\u3002<\/li>\n\n\n\n<li>\u4fdd\u7559\u6700\u91cd\u8981\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.3 \u6280\u672f\u5206\u6790<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u4f7f\u7528\u6bcf\u65e5\u6536\u76ca\u7387\u800c\u4e0d\u662f\u4ef7\u683c\uff0c\u5173\u6ce8\u53d8\u52a8\u6a21\u5f0f\u800c\u4e0d\u662f\u7edd\u5bf9\u503c\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u6807\u51c6\u5316\u53ef\u786e\u4fdd\u4e0d\u4f1a\u6709\u5355\u4e00\u80a1\u7968\u56e0\u5176\u4ef7\u683c\u89c4\u6a21\u800c\u5728\u5206\u6790\u4e2d\u5360\u4e3b\u5bfc\u5730\u4f4d\u3002<\/li>\n\n\n\n<li>random_state=42 \u53ef\u786e\u4fdd\u7ed3\u679c\u7684\u53ef\u91cd\u590d\u6027\u3002<\/li>\n\n\n\n<li>\u4e24\u4e2a PCA \u6210\u5206\u901a\u5e38\u80fd\u6355\u6349\u5230\u80a1\u7968\u56de\u62a5\u7387 60-80% \u7684\u53d8\u5316\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.4 \u795e\u5947\u7684\u6570\u5b57 5 \u7c07<\/strong><\/h3>\n\n\n\n<p>\u805a\u7c7b\u5206\u6790\u4e2d\u6700\u5934\u75bc\u7684\u95ee\u9898\u4e4b\u4e00\u662f \uff1a\u5e94\u8be5\u5f00\u51e0\u4e2a\u7ec4\uff1f\u8ba9\u6211\u4eec\u6765\u770b\u770b\u4e3a\u4ec0\u4e48\u6211\u4eec\u9009\u62e9 5 \u4e2a\u805a\u7c7b&#8230;<\/p>\n\n\n\n<p>K-means \u805a\u7c7b\u4e2d\u7684 &#8220;K &#8220;\u4ee3\u8868\u6211\u4eec\u60f3\u8981\u521b\u5efa\u7684\u7ec4\u7684\u6570\u91cf\u3002\u9009\u62e9\u6b63\u786e\u7684 K \u503c\u5c31\u50cf\u4fa6\u63a2\u4e00\u6837\uff0c\u65e2\u9700\u8981\u8bc1\u636e\uff0c\u4e5f\u9700\u8981\u76f4\u89c9\u3002\u4e0b\u9762\u662f\u6211\u4eec\u5982\u4f55\u786e\u5b9a\u6700\u4f73\u6570\u91cf\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>inertias = &#91;]\nK = range(1, 11)\nfor k in K:\n    kmeans = KMeans(n_clusters=k, random_state=42)\n    kmeans.fit(returns_scaled)\n    inertias.append(kmeans.inertia_)<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code><strong>KMeans(n_clusters=k, random_state=42)<\/strong><\/code>: \u521b\u5efa\u4e00\u4e2a K-Means \u805a\u7c7b\u6a21\u578b\uff0c\u5728\u8303\u56f4\uff081\uff0c11\uff09\uff081 \u5230 10 \u4e2a\u805a\u7c7b\uff09\u5185\u7684\u6bcf\u4e2a k \u503c\u90fd\u6709 k \u4e2a\u805a\u7c7b\u3002\u53e6\u5916<code>random_state=42<\/code>\u53ef\u786e\u4fdd\u91cd\u73b0\u6027\u3002<\/li>\n\n\n\n<li><code><strong>kmeans.fit(returns_scaled)<\/strong><\/code>: \u5c06 K-Means \u6a21\u578b\u62df\u5408\u5230\u7ecf\u8fc7\u9884\u5904\u7406\u548c\u7f29\u653e\u7684\u6570\u636e\uff08returns_scaled\uff09\u4e2d\u3002<\/li>\n\n\n\n<li><code><strong>inertia<\/strong><\/code>:\uff08\u60ef\u6027\uff09\uff1a\u6d4b\u91cf\u6570\u636e\u70b9\u5230\u6700\u8fd1\u805a\u7c7b\u4e2d\u5fc3\u7684\u8ddd\u79bb\u5e73\u65b9\u548c\u3002\u8f83\u4f4e\u7684\u60ef\u6027\u610f\u5473\u7740\u96c6\u7fa4\u66f4\u52a0\u7d27\u51d1\u3002<\/li>\n\n\n\n<li><code><strong>inertias.append(kmeans.inertia_)<\/strong><\/code>: \u5b58\u50a8\u6bcf\u4e2a k \u7684\u60ef\u6027\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.laoyulaoyu.com\/wp-content\/uploads\/2024\/12\/image-211.png\" alt=\"\" class=\"wp-image-3602\"\/><\/figure>\n\n\n\n<p><strong>\u4e3a\u4ec0\u4e48\u9009\u62e9 k=5\uff1f<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8098\u90e8\u662f\u60ef\u6027\u51cf\u5c0f\u66f4\u6162\u7684\u5730\u65b9\u3002<\/li>\n\n\n\n<li>\u5728\u8098\u90e8\u4e4b\u524d\uff0c\u589e\u52a0\u66f4\u591a\u7684\u7c07\u53ef\u663e\u8457\u964d\u4f4e\u60ef\u6027\uff0c\u8868\u660e\u7d27\u51d1\u6027\u66f4\u597d\u3002<\/li>\n\n\n\n<li>\u5728\u5f2f\u5934\u4e4b\u540e\uff0c\u589e\u52a0\u66f4\u591a\u7684\u805a\u7c7b\u4f1a\u5bfc\u81f4\u60ef\u6027\u51cf\u5c11\uff0c\u8fd9\u5f80\u5f80\u4e0e\u8fc7\u5ea6\u62df\u5408\u76f8\u5bf9\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.5 Try It Yourself<\/strong><\/h3>\n\n\n\n<p>\u60f3\u8981\u4eb2\u81ea\u8bd5\u4e00\u4e0b\u8fd9\u4e2a\u5747\u503c\u805a\u7c7b\u5206\u6790\uff1f\u6211\u5b8c\u6574\u7684\u4ee3\u7801\u5730\u5740\u5982\u4e0b\uff1a<br><a href=\"https:\/\/colab.research.google.com\/drive\/1pQsy-kNe10ARyG5gY_pk8xuuKQqtRtRT?usp=sharing\">https:\/\/colab.research.google.com\/drive\/1pQsy-kNe10ARyG5gY_pk8xuuKQqtRtRT?usp=sharing<\/a><\/p>\n\n\n\n<p id=\"b081\">\u5728\u6211\u63d0\u4f9b\u7684colab notebook\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5c1d\u8bd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4fee\u6539\u7fa4\u7ec4\u6570\u91cf\uff1b<\/li>\n\n\n\n<li>\u66f4\u6539\u65f6\u95f4\u6bb5\uff1b<\/li>\n\n\n\n<li>\u6dfb\u52a0\u6216\u5220\u9664\u80a1\u7968\uff1b<\/li>\n\n\n\n<li>\u5c1d\u8bd5\u4e0d\u540c\u7684\u53ef\u89c6\u5316\u6280\u672f\uff1b<\/li>\n\n\n\n<li>\u8fd0\u884c\u805a\u7c7b\u5206\u6790\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u56db\u3001\u89c2\u70b9\u603b\u7ed3<\/strong><\/h2>\n\n\n\n<p>\u8fd9\u4e9b\u7fa4\u7ec4\u805a\u7c7b\u63ed\u793a\u4e86\u6bd4\u4f20\u7edf\u884c\u4e1a\u5206\u7c7b\u66f4\u6df1\u5c42\u6b21\u7684\u5e02\u573a\u7ed3\u6784\u3002\u8fd9\u80fd\u5426\u6210\u4e3a 2024 \u5e74\u53ca\u4ee5\u540e\u66f4\u667a\u80fd\u5730\u6784\u5efa\u6295\u8d44\u7ec4\u5408\u7684\u5173\u952e\uff1f\u60a8\u5728\u8fd9\u4e9b\u5206\u7ec4\u4e2d\u53d1\u73b0\u4e86\u4ec0\u4e48\u6a21\u5f0f\uff1f\u60a8\u5728\u4ea4\u6613\u4e2d\u89c2\u5bdf\u5230\u8fc7\u7c7b\u4f3c\u7684\u76f8\u5173\u6027\u5417\uff1f\u6211\u4eec\u53ef\u4ee5\u4e00\u8d77\u8ba8\u8bba\u8ba8\u8bba\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u591a\u5143\u5316\u6295\u8d44<\/strong>\uff1a\u771f\u6b63\u7684\u5206\u6563\u6295\u8d44\u5e94\u8be5\u8de8\u8d8a\u4e0d\u540c\u7684\u7fa4\u7ec4\u800c\u975e\u4f20\u7edf\u884c\u4e1a\u3002<\/li>\n\n\n\n<li><strong>\u98ce\u9669\u7ba1\u7406<\/strong>\uff1a\u4e86\u89e3\u6bcf\u4e2a\u7fa4\u7ec4\u5bf9\u5e02\u573a\u4e8b\u4ef6\u7684\u53cd\u5e94\u6709\u52a9\u4e8e\u4fdd\u62a4\u6295\u8d44\u7ec4\u5408\u3002<\/li>\n\n\n\n<li><strong>\u6a21\u5f0f\u8bc6\u522b<\/strong>\uff1a\u7fa4\u7ec4\u5185\u7684\u80a1\u7968\u4ef7\u683c\u53d8\u52a8\u5f80\u5f80\u76f8\u4e92\u5173\u8054\uff0c\u4e3a\u4ea4\u6613\u673a\u4f1a\u63d0\u4f9b\u7ebf\u7d22\u3002<\/li>\n\n\n\n<li><strong>K-means\u805a\u7c7b\u7684\u4f18\u52bf<\/strong>\uff1a\u7b80\u5355\u6613\u61c2\uff0c\u80fd\u6709\u6548\u5904\u7406\u5927\u6570\u636e\u96c6\uff0c\u5f62\u6210\u6e05\u6670\u7684\u7fa4\u7ec4\uff0c\u9002\u5408\u53d1\u73b0\u76f8\u4f3c\u80a1\u7968\u884c\u4e3a\u3002<\/li>\n\n\n\n<li><strong>PCA\u7684\u4f5c\u7528<\/strong>\uff1a\u51cf\u5c11\u6570\u636e\u566a\u97f3\uff0c\u4f7f\u6a21\u5f0f\u66f4\u6613\u4e8e\u53ef\u89c6\u5316\uff0c\u5904\u7406\u7ef4\u5ea6\u8bc5\u5492\uff0c\u4fdd\u7559\u6700\u91cd\u8981\u7684\u5173\u7cfb\u3002<\/li>\n\n\n\n<li><strong>\u9009\u62e9\u805a\u7c7b\u6570\u91cf\u7684\u65b9\u6cd5<\/strong>\uff1a\u901a\u8fc7\u89c2\u5bdf\u60ef\u6027\u51cf\u5c11\u7684\u901f\u7387\uff0c\u786e\u5b9a\u6700\u4f73\u7684K\u503c\uff0c\u901a\u5e38\u9009\u62e9\u5728\u201c\u8098\u90e8\u201d\u4e4b\u524d\u7684\u6570\u503c\u3002<\/li>\n\n\n\n<li><strong>\u6280\u672f\u6d1e\u5bdf<\/strong>\uff1a\u4f7f\u7528\u6bcf\u65e5\u6536\u76ca\u7387\u800c\u975e\u4ef7\u683c\uff0c\u6570\u636e\u6807\u51c6\u5316\uff0c\u786e\u4fdd\u7ed3\u679c\u7684\u53ef\u91cd\u590d\u6027\uff0cPCA\u6210\u5206\u901a\u5e38\u6355\u6349\u5230\u5927\u90e8\u5206\u80a1\u7968\u56de\u62a5\u7387\u7684\u53d8\u5316\u3002<\/li>\n\n\n\n<li><strong>\u672a\u6765\u5c55\u671b<\/strong>\uff1a\u805a\u7c7b\u5206\u6790\u53ef\u80fd\u662f\u6784\u5efa\u66f4\u667a\u80fd\u6295\u8d44\u7ec4\u5408\u7684\u5173\u952e\uff0c\u80fd\u591f\u63ed\u793a\u4f20\u7edf\u884c\u4e1a\u5206\u7c7b\u4e4b\u4e0b\u7684\u5e02\u573a\u7ed3\u6784\u3002<\/li>\n<\/ul>\n\n\n\n<p><em>\u611f\u8c22\u60a8\u9605\u8bfb\u5230\u6700\u540e\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u7ed9\u60a8\u5e26\u6765\u65b0\u7684\u6536\u83b7\u3002\u7801\u5b57\u4e0d\u6613\uff0c\u8bf7\u5e2e\u6211\u70b9\u8d5e\u3001\u5206\u4eab\u3002\u795d\u60a8\u6295\u8d44\u987a\u5229\uff01\u5982\u679c\u5bf9\u6587\u4e2d\u7684\u5185\u5bb9\u6709\u4efb\u4f55\u7591\u95ee\uff0c\u8bf7\u7ed9\u6211\u7559\u8a00\uff0c\u5fc5\u590d\u3002<\/em><\/p>\n\n\n\n<hr 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