{"id":2587,"date":"2026-02-15T19:11:09","date_gmt":"2026-02-15T11:11:09","guid":{"rendered":"https:\/\/ai.ziyuanzz.online\/?page_id=2587"},"modified":"2026-03-28T09:37:09","modified_gmt":"2026-03-28T01:37:09","slug":"scikit-learn","status":"publish","type":"page","link":"https:\/\/ai.ziyuanzz.online\/index.php\/scikit-learn\/","title":{"rendered":"Scikit-learn"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"750\" src=\"https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/02\/1-871.png\" alt=\"\" class=\"wp-image-2588\" style=\"width:230px\" srcset=\"https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/02\/1-871.png 900w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/02\/1-871-300x250.png 300w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/02\/1-871-768x640.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Scikit-learn<\/h2>\n\n\n\n<p>Python\u673a\u5668\u5b66\u4e60\u5e93<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/scikit-learn.org\/?utm_source=ai-bot.cn\" target=\"_blank\" rel=\"nofollow noopener\">\u8bbf\u95ee\u5b98\u7f51 ><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"240\" src=\"http:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1.png\" alt=\"\" class=\"wp-image-34\" srcset=\"https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1.png 2400w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1-300x30.png 300w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1-1024x102.png 1024w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1-768x77.png 768w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1-1536x154.png 1536w, https:\/\/ai.ziyuanzz.online\/wp-content\/uploads\/2026\/01\/d-design-banner-0906-1-2048x205.png 2048w\" sizes=\"auto, (max-width: 2400px) 100vw, 2400px\" \/><\/figure>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Scikit-Learn\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>Scikit-Learn \u662f Python \u673a\u5668\u5b66\u4e60\u5e93\uff0c\u5e7f\u6cdb\u5e94\u7528\u5728\u6570\u636e\u6316\u6398\u548c\u6570\u636e\u5206\u6790\u3002Scikit-Learn\u63d0\u4f9b\u7b80\u5355\u9ad8\u6548\u7684\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5305\u62ec\u5206\u7c7b\u3001\u56de\u5f52\u3001\u805a\u7c7b\u548c\u964d\u7ef4\u7b49\u3002Scikit-Learn\u8bbe\u8ba1\u7b80\u6d01\u3001\u6613\u7528\uff0c\u4e14\u4e0e NumPy \u548c SciPy \u7b49\u79d1\u5b66\u8ba1\u7b97\u5e93\u65e0\u7f1d\u96c6\u6210\u3002Scikit-Learn \u4ee5\u5176\u5b9e\u7528\u6027\u3001\u9ad8\u6027\u80fd\u548c\u4e30\u5bcc\u7684\u7b97\u6cd5\u5b9e\u73b0\u800c\u95fb\u540d\uff0c\u9002\u5408\u4ece\u521d\u5b66\u8005\u5230\u4e13\u5bb6\u7684\u5404\u4e2a\u5c42\u6b21\u7684\u7528\u6237\u3002Scikit-Learn\u63d0\u4f9b\u8be6\u5c3d\u7684\u6587\u6863\u548c\u793a\u4f8b\uff0c\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u4e0a\u624b\u5e76\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a class=\"js\" href=\"https:\/\/ai-bot.cn\/wp-content\/uploads\/2025\/07\/Scikit-Learn-website.png\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/ai-bot.cn\/wp-content\/uploads\/2025\/07\/Scikit-Learn-website.png\" alt=\"Scikit-Learn\" class=\"wp-image-57175\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Scikit-Learn\u7684\u4e3b\u8981\u529f\u80fd<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u673a\u5668\u5b66\u4e60\u7b97\u6cd5<\/strong>\uff1a\u63d0\u4f9b\u591a\u79cd\u5206\u7c7b\u3001\u56de\u5f52\u3001\u805a\u7c7b\u548c\u964d\u7ef4\u7b97\u6cd5\uff0c\u6ee1\u8db3\u4e0d\u540c\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u9700\u6c42\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u5305\u542b\u7279\u5f81\u7f29\u653e\u3001\u7f3a\u5931\u503c\u5904\u7406\u3001\u7279\u5f81\u7f16\u7801\u548c\u7279\u5f81\u9009\u62e9\u7b49\u5de5\u5177\uff0c\u5e2e\u52a9\u51c6\u5907\u6570\u636e\u4ee5\u4f9b\u6a21\u578b\u8bad\u7ec3\u3002<\/li>\n\n\n\n<li><strong>\u6a21\u578b\u9009\u62e9\u4e0e\u8bc4\u4f30<\/strong>\uff1a\u63d0\u4f9b\u4ea4\u53c9\u9a8c\u8bc1\u3001\u8d85\u53c2\u6570\u8c03\u4f18\u548c\u6027\u80fd\u8bc4\u4f30\u5de5\u5177\uff0c\u5e2e\u52a9\u9009\u62e9\u548c\u4f18\u5316\u6a21\u578b\u3002<\/li>\n\n\n\n<li><strong>\u6d41\u6c34\u7ebf\uff08Pipeline\uff09<\/strong>\uff1a\u901a\u8fc7\u6d41\u6c34\u7ebf\u5de5\u5177\u5c06\u6570\u636e\u9884\u5904\u7406\u3001\u6a21\u578b\u8bad\u7ec3\u548c\u8bc4\u4f30\u7ec4\u5408\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6d41\u7a0b\uff0c\u7b80\u5316\u4ee3\u7801\u5e76\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n\n\n\n<li><strong>\u96c6\u6210\u5b66\u4e60<\/strong>\uff1a\u63d0\u4f9b Bagging\u3001Boosting \u548c\u968f\u673a\u68ee\u6797\u7b49\u96c6\u6210\u5b66\u4e60\u7b97\u6cd5\uff0c\u63d0\u5347\u6a21\u578b\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li><strong>\u591a\u8f93\u51fa\u4e0e\u591a\u6807\u7b7e<\/strong>\uff1a\u652f\u6301\u591a\u8f93\u51fa\u5206\u7c7b\u548c\u56de\u5f52\u4efb\u52a1\uff0c\u53ca\u591a\u6807\u7b7e\u5206\u7c7b\u4efb\u52a1\uff0c\u652f\u6301\u6a21\u578b\u540c\u65f6\u9884\u6d4b\u591a\u4e2a\u76ee\u6807\u503c\u6216\u7c7b\u522b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u4f7f\u7528Scikit-Learn<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b89\u88c5 scikit-learn<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 pip \u5b89\u88c5<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">pip &lt;span <strong>class<\/strong>=\"token function\">install&lt;\/span> &lt;span <strong>class<\/strong>=\"token parameter variable\">-U&lt;\/span> scikit-learn<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 conda \u5b89\u88c5<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">conda &lt;span <strong>class<\/strong>=\"token function\">install&lt;\/span> &lt;span <strong>class<\/strong>=\"token parameter variable\">-c&lt;\/span> conda-forge scikit-learn<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5bfc\u5165\u5fc5\u8981\u7684\u6a21\u5757<\/strong>\uff1a\u5728 Python \u4e2d\uff0c\u5bfc\u5165 scikit-learn \u53ca\u76f8\u5173\u7684\u6a21\u5757\uff08\u5982 NumPy \u548c Pandas\uff09\u5904\u7406\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> numpy &lt;span <strong>class<\/strong>=\"token keyword\">as&lt;\/span> np&lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> pandas &lt;span <strong>class<\/strong>=\"token keyword\">as&lt;\/span> pd&lt;span <strong>class<\/strong>=\"token keyword\">from&lt;\/span> sklearn &lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> datasets&lt;span <strong>class<\/strong>=\"token keyword\">from&lt;\/span> sklearn&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>model_selection &lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> train_test_split&lt;span <strong>class<\/strong>=\"token keyword\">from&lt;\/span> sklearn&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>preprocessing &lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> StandardScaler&lt;span <strong>class<\/strong>=\"token keyword\">from&lt;\/span> sklearn&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>linear_model &lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> LogisticRegression&lt;span <strong>class<\/strong>=\"token keyword\">from&lt;\/span> sklearn&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>metrics &lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> accuracy_score&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> classification_report<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a0\u8f7d\u6570\u636e\u96c6<\/strong>\uff1ascikit-learn \u63d0\u4f9b\u8bb8\u591a\u5185\u7f6e\u7684\u6570\u636e\u96c6\uff0c\u4f8b\u5982\u9e22\u5c3e\u82b1\u6570\u636e\u96c6\uff08Iris\uff09\u3001\u624b\u5199\u6570\u5b57\u6570\u636e\u96c6\uff08Digits\uff09\u7b49\u3002<\/li>\n\n\n\n<li>\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u5185\u7f6e\u6570\u636e\u96c6<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;span <strong>class<\/strong>=\"token comment\"># \u52a0\u8f7d\u9e22\u5c3e\u82b1\u6570\u636e\u96c6&lt;\/span>iris &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> datasets&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>load_iris&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>X &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> iris&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>datay &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> iris&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>target<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<ul class=\"wp-block-list\">\n<li><strong>\u52a0\u8f7d\u81ea\u5b9a\u4e49\u6570\u636e\u96c6<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;span <strong>class<\/strong>=\"token comment\"># \u4f7f\u7528 Pandas \u52a0\u8f7d CSV \u6587\u4ef6&lt;\/span>data &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> pd&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>read_csv&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token string\">'your_dataset.csv'&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>X &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> data&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>drop&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token string\">'target_column'&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> axis&lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span>&lt;span <strong>class<\/strong>=\"token number\">1&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>y &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> data&lt;span <strong>class<\/strong>=\"token punctuation\">[&lt;\/span>&lt;span <strong>class<\/strong>=\"token string\">'target_column'&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">]&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u5728\u8bad\u7ec3\u6a21\u578b\u4e4b\u524d\uff0c\u901a\u5e38\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u9884\u5904\u7406\uff0c\u4f8b\u5982\u5212\u5206\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u3001\u6807\u51c6\u5316\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">X_train&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> X_test&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y_train&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y_test &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> train_test_split&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>X&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> test_size&lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span>&lt;span <strong>class<\/strong>=\"token number\">0.2&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> random_state&lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span>&lt;span <strong>class<\/strong>=\"token number\">42&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6807\u51c6\u5316\u6570\u636e<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">scaler &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> StandardScaler&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>X_train &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> scaler&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>fit_transform&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>X_train&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>X_test &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> scaler&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>transform&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>X_test&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bad\u7ec3\u6a21\u578b<\/strong>\uff1a\u9009\u62e9\u5408\u9002\u7684\u6a21\u578b\u5e76\u8bad\u7ec3\u5b83\u3002\u4ee5\u903b\u8f91\u56de\u5f52\u4e3a\u4f8b\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">model &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> LogisticRegression&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>model&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>fit&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>X_train&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y_train&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a21\u578b\u8bc4\u4f30<\/strong>\uff1a\u4f7f\u7528\u6d4b\u8bd5\u96c6\u8bc4\u4f30\u6a21\u578b\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">y_pred &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> model&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>predict&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>X_test&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>accuracy &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> accuracy_score&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>y_test&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y_pred&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>&lt;span <strong>class<\/strong>=\"token keyword\">print&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token string-interpolation\">&lt;span <strong>class<\/strong>=\"token string\">f'Accuracy: &lt;\/span>&lt;span class=\"token interpolation\">&lt;span class=\"token punctuation\">{&lt;\/span>accuracy&lt;span class=\"token punctuation\">:&lt;\/span>&lt;span class=\"token format-spec\">.2f&lt;\/span>&lt;span class=\"token punctuation\">}&lt;\/span>&lt;\/span>&lt;span class=\"token string\">'&lt;\/span>&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>&lt;span <strong>class<\/strong>=\"token keyword\">print&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>classification_report&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>y_test&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> y_pred&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u6a21\u578b\u8fdb\u884c\u9884\u6d4b<\/strong>\uff1a\u5728\u65b0\u6570\u636e\u4e0a\u4f7f\u7528\u8bad\u7ec3\u597d\u7684\u6a21\u578b\u8fdb\u884c\u9884\u6d4b\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">new_data &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> np&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>array&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">[&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">[&lt;\/span>&lt;span <strong>class<\/strong>=\"token number\">5.1&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> &lt;span <strong>class<\/strong>=\"token number\">3.5&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> &lt;span <strong>class<\/strong>=\"token number\">1.4&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> &lt;span <strong>class<\/strong>=\"token number\">0.2&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">]&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">]&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>  &lt;span <strong>class<\/strong>=\"token comment\"># \u793a\u4f8b\u65b0\u6570\u636e&lt;\/span>new_data &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> scaler&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>transform&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>new_data&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>  &lt;span <strong>class<\/strong>=\"token comment\"># \u6807\u51c6\u5316&lt;\/span>prediction &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> model&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>predict&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>new_data&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span>&lt;span <strong>class<\/strong>=\"token keyword\">print&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token string-interpolation\">&lt;span <strong>class<\/strong>=\"token string\">f'Prediction: &lt;\/span>&lt;span class=\"token interpolation\">&lt;span class=\"token punctuation\">{&lt;\/span>prediction&lt;span class=\"token punctuation\">}&lt;\/span>&lt;\/span>&lt;span class=\"token string\">'&lt;\/span>&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4fdd\u5b58\u548c\u52a0\u8f7d\u6a21\u578b<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4fdd\u5b58\u6a21\u578b<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;span <strong>class<\/strong>=\"token keyword\">import&lt;\/span> joblibjoblib&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>dump&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>model&lt;span <strong>class<\/strong>=\"token punctuation\">,&lt;\/span> &lt;span <strong>class<\/strong>=\"token string\">'model.pkl'&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<ul class=\"wp-block-list\">\n<li><strong>\u52a0\u8f7d\u6a21\u578b<\/strong>\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">model &lt;span <strong>class<\/strong>=\"token operator\">=&lt;\/span> joblib&lt;span <strong>class<\/strong>=\"token punctuation\">.&lt;\/span>load&lt;span <strong>class<\/strong>=\"token punctuation\">(&lt;\/span>&lt;span <strong>class<\/strong>=\"token string\">'model.pkl'&lt;\/span>&lt;span <strong>class<\/strong>=\"token punctuation\">)&lt;\/span><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Scikit-Learn\u7684\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u6316\u6398<\/strong>\uff1a\u4ece\u5927\u91cf\u6570\u636e\u4e2d\u63d0\u53d6\u6709\u4ef7\u503c\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u901a\u8fc7\u805a\u7c7b\u7b97\u6cd5\u53d1\u73b0\u6570\u636e\u4e2d\u7684\u81ea\u7136\u5206\u7ec4\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5206\u6790<\/strong>\uff1a\u5e2e\u52a9\u8fdb\u884c\u6570\u636e\u7684\u63a2\u7d22\u6027\u5206\u6790\uff0c\u4f8b\u5982\u7528\u964d\u7ef4\u7b97\u6cd5\uff08\u5982 PCA\uff09\u53ef\u89c6\u5316\u9ad8\u7ef4\u6570\u636e\u3002<\/li>\n\n\n\n<li><strong>\u5206\u7c7b\u4efb\u52a1<\/strong>\uff1a\u9002\u7528\u5404\u79cd\u5206\u7c7b\u95ee\u9898\uff0c\u5982\u5783\u573e\u90ae\u4ef6\u68c0\u6d4b\u3001\u56fe\u50cf\u5206\u7c7b\u3001\u75be\u75c5\u8bca\u65ad\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u56de\u5f52\u4efb\u52a1<\/strong>\uff1a\u7528\u5728\u9884\u6d4b\u8fde\u7eed\u503c\uff0c\u4f8b\u5982\u623f\u4ef7\u9884\u6d4b\u3001\u80a1\u7968\u4ef7\u683c\u9884\u6d4b\u3001\u9500\u552e\u91cf\u9884\u6d4b\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u805a\u7c7b\u5206\u6790<\/strong>\uff1a\u57fa\u4e8e\u65e0\u76d1\u7763\u5b66\u4e60\u7b97\u6cd5\uff08\u5982 K-\u5747\u503c\uff09\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7ec4\uff0c\u53d1\u73b0\u6570\u636e\u4e2d\u7684\u6a21\u5f0f\u548c\u7ed3\u6784\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Scikit-learn Python\u673a\u5668\u5b66\u4e60\u5e93 Scikit-Learn\u662f\u4ec0\u4e48 Scikit-Learn \u662f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2587","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/pages\/2587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/comments?post=2587"}],"version-history":[{"count":0,"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/pages\/2587\/revisions"}],"wp:attachment":[{"href":"https:\/\/ai.ziyuanzz.online\/index.php\/wp-json\/wp\/v2\/media?parent=2587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}