{"id":3835,"date":"2025-10-27T23:04:54","date_gmt":"2025-10-27T15:04:54","guid":{"rendered":"https:\/\/www.khsci.com\/docs\/index.php\/2025\/10\/27\/svm%e5%9b%9e%e5%bd%92%e9%a2%84%e6%b5%8b%e7%ae%97%e6%b3%95-%e5%9f%ba%e4%ba%8e%e6%94%af%e6%8c%81%e5%90%91%e9%87%8f%e6%9c%ba%e7%9a%84%e5%9b%9e%e5%bd%92%e5%88%86%e6%9e%90%e3%80%90python%e3%80%91\/"},"modified":"2025-10-29T00:57:01","modified_gmt":"2025-10-28T16:57:01","slug":"svmregressionpy","status":"publish","type":"post","link":"https:\/\/www.khsci.com\/docs\/index.php\/2025\/10\/27\/svmregressionpy\/","title":{"rendered":"SVM\u56de\u5f52\u9884\u6d4b\u7b97\u6cd5 &#8211; \u57fa\u4e8e\u652f\u6301\u5411\u91cf\u673a\u7684\u56de\u5f52\u5206\u6790\u3010Python\u3011"},"content":{"rendered":"\n<p>\u6700\u540e\u66f4\u65b0\u4e8e\uff1a2025-10-27 18:00:00<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883<\/h4>\n\n\n\n<ul>\n<li><strong>Python<\/strong>: Python 3.6+<\/li>\n\n\n\n<li><strong>\u4f9d\u8d56\u5e93<\/strong>: <code>numpy<\/code>, <code>scikit-learn<\/code>, <code>matplotlib<\/code><\/li>\n\n\n\n<li>\u53ef\u4ee5\u901a\u8fc7<code>pip install -r requirements.txt<\/code>\u547d\u4ee4\u5b89\u88c5\u6240\u6709\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u7a0b\u5e8f\u4ecb\u7ecd<\/h4>\n\n\n\n<p>\u672c\u4ee3\u7801\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u57fa\u4e8ePython\u7684SVM\u56de\u5f52\u9884\u6d4b\u89e3\u51b3\u65b9\u6848\uff0c\u9002\u7528\u4e8e\u5404\u7c7b\u56de\u5f52\u95ee\u9898\u3002<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">\u7a0b\u5e8f\u6587\u4ef6\u7ed3\u6784<\/h6>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-text\">SVM_Regression\/\n\u2502\n\u251c\u2500\u2500 demoSVM_Regression.py   \/\/ \u4e3b\u8fd0\u884c\u811a\u672c\n\u251c\u2500\u2500 FunRegSVM.py            \/\/ \u6838\u5fc3SVM\u56de\u5f52\u51fd\u6570\n\u251c\u2500\u2500 housing.txt             \/\/ \u6f14\u793a\u6570\u636e\u96c6\uff08\u6ce2\u58eb\u987f\u623f\u4ef7\uff09\n\u251c\u2500\u2500 requirements.txt        \/\/ Python\u4f9d\u8d56\u5e93\u5217\u8868\n\u2514\u2500\u2500 figure\/                 \/\/ \u5b58\u653e\u7ed3\u679c\u56fe\u7247\u7684\u6587\u4ef6\u5939\n    \u251c\u2500\u2500 \u56fe1.png\n    \u251c\u2500\u2500 \u56fe2.png\n    \u251c\u2500\u2500 \u56fe3.png\n    \u2514\u2500\u2500 \u56fe4.png<\/code><\/pre>\n\n\n\n<h6 class=\"wp-block-heading\">\u6587\u4ef6\u8bf4\u660e<\/h6>\n\n\n\n<p>1.  <strong><code>demoSVM_Regression.py<\/code><\/strong><\/p>\n\n\n\n<ul>\n<li>\u8bf4\u660e\uff1a\u4e3b\u8fd0\u884c\u811a\u672c\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u8c03\u7528<code>FunRegSVM<\/code>\u51fd\u6570\u3002\u5305\u542b\u4e86\u6570\u636e\u52a0\u8f7d\u3001\u53c2\u6570\u914d\u7f6e\u548c\u51fd\u6570\u8c03\u7528\u7b49\u5b8c\u6574\u6d41\u7a0b\u3002<\/li>\n\n\n\n<li>\u8fd0\u884c\u7ed3\u679c\uff1a<\/li>\n\n\n\n<li>\u7a0b\u5e8f\u4f1a\u751f\u62104\u5f20\u5206\u6790\u56fe\u8868\uff0c\u4fdd\u5b58\u5728<code>figure<\/code>\u6587\u4ef6\u5939\u4e0b\u3002<\/li>\n\n\n\n<li><strong>\u56fe1\uff1a\u8bad\u7ec3\u96c6\u62df\u5408\u6548\u679c<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"3570\" height=\"1165\" src=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1.png\" alt=\"\u56fe1\" class=\"wp-image-3841\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1.png 3570w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1-300x98.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1-1024x334.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1-768x251.png 768w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1-1536x501.png 1536w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c1-1-2048x668.png 2048w\" sizes=\"(max-width: 3570px) 100vw, 3570px\" \/><\/figure>\n\n\n\n<ul>\n<li><strong>\u56fe2\uff1a\u6d4b\u8bd5\u96c6\u9884\u6d4b\u6548\u679c<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"3569\" height=\"1165\" src=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1.png\" alt=\"\u56fe2\" class=\"wp-image-3842\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1.png 3569w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1-300x98.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1-1024x334.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1-768x251.png 768w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1-1536x501.png 1536w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c2-1-2048x669.png 2048w\" sizes=\"(max-width: 3569px) 100vw, 3569px\" \/><\/figure>\n\n\n\n<ul>\n<li><strong>\u56fe3\uff1a\u771f\u5b9e\u503c\u4e0e\u9884\u6d4b\u503c\u5bf9\u6bd4<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"3568\" height=\"1166\" src=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1.png\" alt=\"\u56fe3\" class=\"wp-image-3843\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1.png 3568w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1-300x98.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1-1024x335.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1-768x251.png 768w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1-1536x502.png 1536w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c3-1-2048x669.png 2048w\" sizes=\"(max-width: 3568px) 100vw, 3568px\" \/><\/figure>\n\n\n\n<ul>\n<li><strong>\u56fe4\uff1a\u6027\u80fd\u6307\u6807\u5bf9\u6bd4<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2367\" height=\"1469\" src=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1.png\" alt=\"\u56fe4\" class=\"wp-image-3844\" srcset=\"https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1.png 2367w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1-300x186.png 300w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1-1024x636.png 1024w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1-768x477.png 768w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1-1536x953.png 1536w, https:\/\/www.khsci.com\/docs\/wp-content\/uploads\/2025\/10\/\u037c4-1-2048x1271.png 2048w\" sizes=\"(max-width: 2367px) 100vw, 2367px\" \/><\/figure>\n\n\n\n<p>2.  <strong><code>FunRegSVM.py<\/code><\/strong><\/p>\n\n\n\n<ul>\n<li>\u8bf4\u660e\uff1a\u5c01\u88c5\u4e86SVM\u56de\u5f52\u7684\u6838\u5fc3\u529f\u80fd\uff0c\u5305\u62ec\u6570\u636e\u5f52\u4e00\u5316\u3001\u6a21\u578b\u8bad\u7ec3\u3001\u9884\u6d4b\u8bc4\u4f30\u548c\u7ed3\u679c\u53ef\u89c6\u5316\u3002<\/li>\n\n\n\n<li>\u51fd\u6570\u5b9a\u4e49\u53ca\u53c2\u6570\u89e3\u91ca\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">      def FunRegSVM(X: np.ndarray, Y: np.ndarray, options: Optional[Dict] = None) -&gt; Tuple[np.ndarray, np.ndarray, Dict]:\n      &quot;&quot;&quot;\n      SVM\u56de\u5f52\u9884\u6d4b\u51fd\u6570\n      \n      Parameters:\n      -----------\n      X : np.ndarray\n          \u8f93\u5165\u7279\u5f81\u77e9\u9635 [n_samples, n_features]\n      Y : np.ndarray\n          \u8f93\u51fa\u76ee\u6807\u5411\u91cf [n_samples,]\n      options : Dict, optional\n          \u53c2\u6570\u8bbe\u7f6e\u5b57\u5178:\n          - rTrain: \u8bad\u7ec3\u96c6\u6bd4\u4f8b (\u9ed8\u8ba40.7)\n          - kernel: \u6838\u51fd\u6570 &#039;linear&#039;|&#039;rbf&#039;|&#039;poly&#039; (\u9ed8\u8ba4&#039;rbf&#039;)\n          - C: \u60e9\u7f5a\u7cfb\u6570 (\u9ed8\u8ba41.0)\n          - epsilon: \u5bb9\u5fcd\u5e26\u5bbd\u5ea6\u03b5 (\u9ed8\u8ba40.1)\n          - gamma: \u6838\u51fd\u6570\u7cfb\u6570 (\u9ed8\u8ba4&#039;scale&#039;)\n          - figflag: \u662f\u5426\u7ed8\u56fe (\u9ed8\u8ba4True)\n      \n      Returns:\n      --------\n      foreData : np.ndarray\n          \u6d4b\u8bd5\u96c6\u9884\u6d4b\u7ed3\u679c\n      foreDataTrain : np.ndarray\n          \u8bad\u7ec3\u96c6\u62df\u5408\u7ed3\u679c\n      info : Dict\n          \u5305\u542b\u6a21\u578b\u3001\u8bc4\u4ef7\u6307\u6807\u7b49\u7684\u8be6\u7ec6\u4fe1\u606f\n      &quot;&quot;&quot;<\/code><\/pre>\n\n\n\n<p>3.  <strong><code>requirements.txt<\/code><\/strong><\/p>\n\n\n\n<ul>\n<li>\u8bf4\u660e\uff1a\u5305\u542b\u4e86\u8fd0\u884c\u6b64\u4ee3\u7801\u6240\u9700\u7684\u6240\u6709Python\u7b2c\u4e09\u65b9\u5e93\u53ca\u5176\u7248\u672c\uff0c\u65b9\u4fbf\u7528\u6237\u5feb\u901f\u914d\u7f6e\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u5feb\u901f\u5f00\u59cb<\/h4>\n\n\n\n<p>1.  <strong>\u914d\u7f6e\u73af\u5883<\/strong><\/p>\n\n\n\n<ul>\n<li>\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u7a97\u53e3\uff0c\u8fdb\u5165\u4ee3\u7801\u6240\u5728\u76ee\u5f55\u3002<\/li>\n\n\n\n<li>\u8fd0\u884c <code>pip install -r requirements.txt<\/code> \u6765\u5b89\u88c5\u6240\u6709\u5fc5\u8981\u7684\u4f9d\u8d56\u5e93\u3002<\/li>\n<\/ul>\n\n\n\n<p>2.  <strong>\u8fd0\u884c\u6d4b\u8bd5\u811a\u672c<\/strong><\/p>\n\n\n\n<ul>\n<li>\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u547d\u4ee4 <code>python demoSVM_Regression.py<\/code>\u3002<\/li>\n\n\n\n<li>\u7a0b\u5e8f\u5c06\u81ea\u52a8\u6267\u884c\u8bad\u7ec3\u548c\u9884\u6d4b\uff0c\u5e76\u5728\u5b8c\u6210\u540e\u663e\u793a\u7ed3\u679c\u56fe\uff0c\u540c\u65f6\u5728<code>figure<\/code>\u6587\u4ef6\u5939\u4e2d\u4fdd\u5b58\u56fe\u7247\u3002<\/li>\n<\/ul>\n\n\n\n<p>3.  <strong>\u4fee\u6539\/\u5bfc\u5165\u6570\u636e<\/strong><\/p>\n\n\n\n<ul>\n<li>\u6253\u5f00 <code>demoSVM_Regression.py<\/code> \u6587\u4ef6\uff0c\u4fee\u6539\u6570\u636e\u52a0\u8f7d\u90e8\u5206\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">      # \u5c06&#039;your_data.txt&#039;\u66ff\u6362\u4e3a\u60a8\u7684\u6570\u636e\u6587\u4ef6\u540d\n      data = np.loadtxt(&#039;your_data.txt&#039;)\n      X = data[:, :-1]  # \u5047\u8bbe\u9664\u6700\u540e\u4e00\u5217\u5916\u90fd\u662f\u7279\u5f81\n      Y = data[:, -1]   # \u5047\u8bbe\u6700\u540e\u4e00\u5217\u662f\u76ee\u6807\u503c<\/code><\/pre>\n\n\n\n<ul>\n<li>\u8bf7\u786e\u4fdd\u6570\u636e\u683c\u5f0f\u4e3a\u7eaf\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528<code>numpy.loadtxt<\/code>\u6b63\u786e\u52a0\u8f7d\u3002<\/li>\n\n\n\n<li><strong>\u5173\u4e8e\u66f4\u8be6\u7ec6\u7684\u6570\u636e\u5bfc\u5165\u65b9\u6cd5\uff0c\u5982Excel\u3001CSV\u3001.mat\u7b49\uff0c\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u8be6\u7ec6\u6559\u7a0b\uff1a<a href=\"https:\/\/www.khsci.com\/docs\/index.php\/2024\/09\/17\/pythonimport\/\">Python\u7684\u6570\u636e\u5bfc\u5165<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p>4.  <strong>\u8c03\u6574\u6a21\u578b\u53c2\u6570<\/strong><\/p>\n\n\n\n<ul>\n<li>\u5728 <code>demoSVM_Regression.py<\/code> \u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539 <code>options<\/code> \u5b57\u5178\u6765\u8c03\u6574\u6a21\u578b\u53c2\u6570\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">      options = {\n          &#039;rTrain&#039;: 0.8,       # \u8bad\u7ec3\u96c6\u6bd4\u4f8b\n          &#039;kernel&#039;: &#039;rbf&#039;,     # \u6838\u51fd\u6570: &#039;linear&#039;, &#039;poly&#039;, &#039;sigmoid&#039;\n          &#039;C&#039;: 10.0,           # \u60e9\u7f5a\u7cfb\u6570\n          &#039;epsilon&#039;: 0.1,      # \u5bb9\u5fcd\u5e26\u5bbd\u5ea6\u03b5\n          &#039;gamma&#039;: 0.01,       # \u6838\u51fd\u6570\u7cfb\u6570\n      }<\/code><\/pre>\n\n\n\n<p><strong>\u53c2\u6570\u8c03\u4f18\u5efa\u8bae\uff1a<\/strong> 1.  \u4ece\u9ed8\u8ba4\u53c2\u6570\u5f00\u59cb\uff0c\u91cd\u70b9\u5173\u6ce8<code>C<\/code>\u548c<code>gamma<\/code>\uff08\u5f53<code>kernel<\/code>\u4e3a<code>rbf<\/code>\u65f6\uff09\u3002 2.  \u5982\u679c\u6a21\u578b\u8fc7\u62df\u5408\uff0c\u5c1d\u8bd5\u51cf\u5c0f<code>C<\/code>\u6216<code>gamma<\/code>\u3002 3.  \u5982\u679c\u6a21\u578b\u6b20\u62df\u5408\uff0c\u5c1d\u8bd5\u589e\u5927<code>C<\/code>\u6216<code>gamma<\/code>\u3002 4.  \u4f7f\u7528<code>scikit-learn<\/code>\u7684<code>GridSearchCV<\/code>\u8fdb\u884c\u7cfb\u7edf\u7684\u53c2\u6570\u641c\u7d22\u662f\u627e\u5230\u6700\u4f18\u53c2\u6570\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001\u5173\u4e8e\u5b8c\u6574\u7248\u4e0e\u516c\u5f00\u7248\u4ee3\u7801<\/h4>\n\n\n\n<p>&gt; \u4ee3\u7801\u5206\u4e3a\u5b8c\u6574\u7248\u548c\u516c\u5f00\u7248\uff08\u8bd5\u7528\u7248\uff09\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7528\u6237\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>\u529f\u80fd<\/strong><\/strong><\/td><td><strong><strong>\u5b8c\u6574\u7248<\/strong><\/strong><\/td><td><strong><strong>\u516c\u5f00\u7248<\/strong><\/strong><\/td><\/tr><tr><td>\u6570\u636e\u5bfc\u5165\u3001\u53c2\u6570\u8bbe\u7f6e<\/td><td>\u221a<\/td><td>\u221a<\/td><\/tr><tr><td>\u8f6f\u4ef6\u5168\u90e8\u6e90\u7801<\/td><td>\u221a<\/td><td>\u00d7<\/td><\/tr><tr><td>\u6838\u5fc3\u51fd\u6570\u6e90\u7801<\/td><td>\u5b8c\u6574\u53ef\u89c1<\/td><td>\u52a0\u5bc6\uff08.pyd\u6587\u4ef6\uff09<\/td><\/tr><tr><td>\u6570\u636e\u6837\u672c\u6570\u9650\u5236<\/td><td>\u65e0\u9650\u5236<\/td><td>\u6700\u5927100\u4e2a\u6837\u672c<\/td><\/tr><tr><td>\u753b\u56fe\u6c34\u5370<\/td><td>\u65e0\u6c34\u5370<\/td><td>\u6709\u6c34\u5370\u6807\u8bc6<\/td><\/tr><tr><td>\u89c6\u9891\u6559\u7a0b<\/td><td>\u221a<\/td><td>\u00d7<\/td><\/tr><tr><td>\u6280\u672f\u652f\u6301<\/td><td>\u63d0\u4f9b\u6280\u672f\u652f\u6301<\/td><td>\u65e0\u6280\u672f\u652f\u6301<\/td><\/tr><tr><td>\u4ee3\u7801\u6ce8\u91ca<\/td><td>\u8be6\u7ec6\u6ce8\u91ca<\/td><td>\u90e8\u5206\u6ce8\u91ca<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>&#8212;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-background\" style=\"background-color:#e8f5e9;padding-top:15px;padding-right:20px;padding-bottom:15px;padding-left:20px\">\ud83d\udce5 \u4e94\u3001\u83b7\u53d6\u516c\u5f00\u7248\u7a0b\u5e8f<\/h3>\n\n\n\n<div class=\"wpfd-single-file\">\n\n    <div class=\"wpfd-single-file--details wpfd-file-content\">\n                <h3 class=\"wpfd-file-content--title\">SVM\u56de\u5f52\u9884\u6d4b_Python\u8bd5\u7528\u7248<\/h3>\n        <div class=\"wpfd-file-content--meta\">\n                    <div>\u6587\u4ef6\u5c3a\u5bf8: 710.71 KB<\/div>\n                    <div>\u66f4\u65b0: 29-10-2025<\/div>\n        <\/div>\n    <\/div>\n    <div class=\"wpfd-single-file--buttons\">\n                <a href=\"https:\/\/www.khsci.com\/docs\/index.php\/download\/6\/%e6%96%b0%e5%88%86%e7%b1%bb\/3863\/svm%e5%9b%9e%e5%bd%92%e9%a2%84%e6%b5%8b_python%e8%af%95%e7%94%a8%e7%89%88-2.zip\"  data-id=\"3863\" title=\"SVM\u56de\u5f52\u9884\u6d4b_Python\u8bd5\u7528\u7248\" class=\"noLightbox wpfd_downloadlink wpfd-single-file-button wpfd-button-download\">\n                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"36\" height=\"36\" viewBox=\"0 0 400 400\"><g fill=\"#ffffff\"><path d=\"M200 400H26c-18 0-26-9-26-27v-73c0-16 9-25 24-25h105a14 14 0 018 4l28 28c21 21 48 21 69 0l28-29a13 13 0 018-3h106c14 0 24 9 24 23v79c0 14-10 23-25 23H200zm155-63c-9 0-17 8-17 16a15 15 0 0015 16c9 0 17-7 17-16a16 16 0 00-15-16zm-47 16c0-9-7-16-16-16a16 16 0 00-15 16c0 9 6 16 15 16s16-7 16-16zM245 127h55a56 56 0 017 0c7 0 11 4 13 10 3 6 1 11-3 16l-43 45-62 63c-8 9-17 9-25 1L83 154c-5-5-6-11-4-18 3-7 9-9 15-9h61v-9-99c0-14 5-19 17-19h55c13 0 18 5 18 19v99z\"\/><\/g><\/svg>\n                    <span>\u4e0b\u8f7d<\/span>\n                <\/a>\n    <\/div>\n<\/div>\n\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-background\" style=\"background-color:#fff3e0;padding-top:15px;padding-right:20px;padding-bottom:15px;padding-left:20px\">\ud83d\udc8e \u516d\u3001\u83b7\u53d6\u5b8c\u6574\u7248\u7a0b\u5e8f<\/h3>\n\n\n\n<p class=\"is-style-iw-2em\">\u70b9\u51fb\u4e0b\u9762&#8221;<span style=\"color: #0000ff;\">\u7acb\u5373\u652f\u4ed8<\/span>&#8220;\u6309\u94ae\uff0c\u4ed8\u6b3e\u540e\u83b7\u53d6\u5b8c\u6574\u7248\u4ee3\u7801\u4e0b\u8f7d\u94fe\u63a5\u548c\u552e\u540e\u8054\u7cfb\u65b9\u5f0f~<strong>\u4ed8\u6b3e\u5b8c\u6210\u540e\u5237\u65b0\u4e00\u4e0b\u672c\u9875\u9762\u5373\u53ef\u770b\u5230\u4e0b\u8f7d\u94fe\u63a5\u3002<\/strong><\/p>\n\n\n\n<p class=\"is-style-iw-2em\"><span style=\"color: #ff9900;\">\uff08\u6ce8\u610f\uff1a\u652f\u4ed8\u8df3\u8f6c\u5931\u8d25\u7684\u8bdd\uff0c\u8bf7\u4f7f\u7528\u6d4f\u89c8\u5668\u6253\u5f00\u672c\u9875\u9762\uff09<\/span><\/p>\n\n\n<p><div class=\"erphp-wppay\">\n\t\t\t\t\u60a8\u9700\u8981\u5148\u652f\u4ed8 <b>38\u5143<\/b> \u624d\u80fd\u67e5\u770b\u6b64\u5904\u5185\u5bb9\uff01<a href=\"javascript:;\" class=\"erphp-wppay-loader\" data-post=\"3835\">\u7acb\u5373\u652f\u4ed8<\/a>\n\t\t\t<\/div><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e03\u3001\u5b8c\u6574\u7248\u4ee3\u7801\u91cd\u8981\u66f4\u65b0<\/h4>\n\n\n\n<ul>\n<li><strong>2025-10-27<\/strong>: \u5b8c\u6210\u521d\u7248\u4ee3\u7801<\/li>\n\n\n\n<li>\u5b9e\u73b0\u57fa\u4e8escikit-learn SVR\u7684\u56de\u5f52\u9884\u6d4b<\/li>\n\n\n\n<li>\u652f\u6301\u591a\u79cd\u6838\u51fd\u6570<\/li>\n\n\n\n<li>\u63d0\u4f9b\u5b8c\u6574\u7684\u6027\u80fd\u8bc4\u4f30\u6307\u6807<\/li>\n\n\n\n<li>\u751f\u62104\u79cd\u53ef\u89c6\u5316\u7ed3\u679c<\/li>\n\n\n\n<li>\u81ea\u52a8\u4fdd\u5b58\u56fe\u7247\u5230figure\u6587\u4ef6\u5939<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u516b\u3001\u5e38\u89c1\u95ee\u9898<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">Q1: <code>pip install<\/code>\u5931\u8d25\u600e\u4e48\u529e\uff1f<\/h5>\n\n\n\n<p><strong>A:<\/strong> 1.  \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\uff0c\u5c1d\u8bd5\u66f4\u6362pip\u955c\u50cf\u6e90\uff1a<code>pip config set global.index-url https:\/\/pypi.tuna.tsinghua.edu.cn\/simple<\/code> 2.  \u786e\u4fdd\u60a8\u7684Python\u548cpip\u662f\u6700\u65b0\u7248\u672c\u3002 3.  \u90e8\u5206\u5e93\uff08\u5982<code>numpy<\/code>\uff09\u7f16\u8bd1\u65f6\u53ef\u80fd\u9700\u8981C++\u73af\u5883\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u4ece\u5b98\u7f51\u4e0b\u8f7d\u9884\u7f16\u8bd1\u7684wheel\u6587\u4ef6\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Q2: \u9884\u6d4b\u7ed3\u679cR\u00b2\u5f88\u4f4e\u6216\u4e3a\u8d1f\u6570\uff1f<\/h5>\n\n\n\n<p><strong>A:<\/strong> 1.  <strong>\u6570\u636e\u95ee\u9898<\/strong>\uff1a\u68c0\u67e5\u8f93\u5165\u6570\u636e\u662f\u5426\u5b58\u5728\u5927\u91cf\u566a\u58f0\u3001\u5f02\u5e38\u503c\uff0c\u6216\u8005\u7279\u5f81\u4e0e\u76ee\u6807\u503c\u4e4b\u95f4\u6839\u672c\u6ca1\u6709\u5f3a\u76f8\u5173\u6027\u3002 2.  <strong>\u53c2\u6570\u95ee\u9898<\/strong>\uff1a<code>C<\/code>\u548c<code>gamma<\/code>\u53c2\u6570\u975e\u5e38\u654f\u611f\u3002\u8fc7\u5927\u6216\u8fc7\u5c0f\u90fd\u53ef\u80fd\u5bfc\u81f4\u6a21\u578b\u6027\u80fd\u6025\u5267\u4e0b\u964d\u3002\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u7f51\u683c\u641c\u7d22\u8c03\u4f18\u3002 3.  <strong>\u5f52\u4e00\u5316\u95ee\u9898<\/strong>\uff1a\u4ee3\u7801\u9ed8\u8ba4\u8fdb\u884c\u5f52\u4e00\u5316\u3002\u5982\u679c\u60a8\u7684\u6570\u636e\u5df2\u7ecf\u5f52\u4e00\u5316\uff0c\u8bf7\u8bbe\u7f6e<code>options[&#039;mapflag&#039;] = False<\/code>\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Q3: \u5982\u4f55\u4fdd\u5b58\u8bad\u7ec3\u597d\u7684\u6a21\u578b\uff1f<\/h5>\n\n\n\n<p><strong>A:<\/strong> \u5728<code>demoSVM_Regression.py<\/code>\u8fd0\u884c\u540e\uff0c\u6a21\u578b\u4fdd\u5b58\u5728<code>info[&#039;model&#039;]<\/code>\u4e2d\u3002\u63a8\u8350\u4f7f\u7528<code>joblib<\/code>\u5e93\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">import joblib\n\n# ...\u8fd0\u884cFunRegSVM\u4e4b\u540e...\n# \u4fdd\u5b58\u6a21\u578b\njoblib.dump(info[&#039;model&#039;], &#039;my_svm_model.pkl&#039;)\n# \u540c\u65f6\u4fdd\u5b58\u5f52\u4e00\u5316\u5de5\u5177\njoblib.dump(info[&#039;scalerX&#039;], &#039;my_scaler_x.pkl&#039;)\njoblib.dump(info[&#039;scalerY&#039;], &#039;my_scaler_y.pkl&#039;)<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">Q4: \u5982\u4f55\u7528\u8bad\u7ec3\u597d\u7684\u6a21\u578b\u9884\u6d4b\u65b0\u6570\u636e\uff1f<\/h5>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-python\">import joblib\nimport numpy as np\n\n# \u52a0\u8f7d\u6a21\u578b\u548c\u5f52\u4e00\u5316\u5de5\u5177\nloaded_model = joblib.load(&#039;my_svm_model.pkl&#039;)\nscaler_x = joblib.load(&#039;my_scaler_x.pkl&#039;)\nscaler_y = joblib.load(&#039;my_scaler_y.pkl&#039;)\n\n# \u5047\u8bbenewData\u662f\u65b0\u7684\u7279\u5f81\u6570\u636e (numpy array)\n# \u4f7f\u7528\u52a0\u8f7d\u7684scalerX\u5bf9\u65b0\u6570\u636e\u8fdb\u884c\u5f52\u4e00\u5316\nnewData_scaled = scaler_x.transform(newData)\n\n# \u9884\u6d4b\npredictions_scaled = loaded_model.predict(newData_scaled)\n\n# \u4f7f\u7528\u52a0\u8f7d\u7684scalerY\u8fdb\u884c\u53cd\u5f52\u4e00\u5316\nfinal_predictions = scaler_y.inverse_transform(predictions_scaled.reshape(-1, 1))\nprint(final_predictions)<\/code><\/pre>\n\n\n\n<p><strong>A:<\/strong> \u52a0\u8f7d\u6a21\u578b\u548c\u5f52\u4e00\u5316\u5de5\u5177\uff0c\u7136\u540e\u5bf9\u65b0\u6570\u636e\u8fdb\u884c\u9884\u6d4b\uff1a<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Q5: \u5982\u4f55\u5f15\u7528\u672c\u4ee3\u7801\uff1f<\/h5>\n\n\n\n<p><strong>A:<\/strong> \u5982\u679c\u5728\u8bba\u6587\u6216\u62a5\u544a\u4e2d\u4f7f\u7528\u4e86\u672c\u4ee3\u7801\uff0c\u5efa\u8bae\u6ce8\u660e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-text\">\u4ee3\u7801\u6765\u6e90\uff1aMr.\u770b\u6d77\uff0cSVM\u56de\u5f52\u9884\u6d4b\u7b97\u6cd5Python\u5b9e\u73b0\n\u7f51\u7ad9\uff1awww.khsci.com\/docs<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u540e\u66f4\u65b0\u4e8e\uff1a2025-10-27 18:00:00 \u4e00\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883 \u4e8c\u3001\u7a0b\u5e8f\u4ecb\u7ecd \u672c\u4ee3\u7801\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u57fa\u4e8e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,7],"tags":[13,8,14,9,11],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SVM\u56de\u5f52\u9884\u6d4b\u7b97\u6cd5 - \u57fa\u4e8e\u652f\u6301\u5411\u91cf\u673a\u7684\u56de\u5f52\u5206\u6790\u3010Python\u3011 - \u5de5\u5177\u7bb1\u6587\u6863<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.khsci.com\/docs\/index.php\/2025\/10\/27\/svmregressionpy\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SVM\u56de\u5f52\u9884\u6d4b\u7b97\u6cd5 - \u57fa\u4e8e\u652f\u6301\u5411\u91cf\u673a\u7684\u56de\u5f52\u5206\u6790\u3010Python\u3011 - \u5de5\u5177\u7bb1\u6587\u6863\" \/>\n<meta property=\"og:description\" content=\"\u6700\u540e\u66f4\u65b0\u4e8e\uff1a2025-10-27 18:00:00 \u4e00\u3001\u4ee3\u7801\u8fd0\u884c\u73af\u5883 \u4e8c\u3001\u7a0b\u5e8f\u4ecb\u7ecd \u672c\u4ee3\u7801\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u57fa\u4e8e [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.khsci.com\/docs\/index.php\/2025\/10\/27\/svmregressionpy\/\" \/>\n<meta property=\"og:site_name\" content=\"\u5de5\u5177\u7bb1\u6587\u6863\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-27T15:04:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-28T16:57:01+00:00\" \/>\n<meta name=\"author\" content=\"kuohao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"kuohao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" 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