{"id":772,"date":"2022-12-26T07:30:53","date_gmt":"2023-12-07T09:51:56","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/eda-%e6%8e%a2%e7%b4%a2%e5%9e%8b%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-%e4%bd%bf%e7%94%a8python%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-03T07:14:54","modified_gmt":"2025-08-02T23:14:54","slug":"eda-%e6%8e%a2%e7%b4%a2%e5%9e%8b%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-%e4%bd%bf%e7%94%a8python%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/eda-%e6%8e%a2%e7%b4%a2%e5%9e%8b%e6%95%b0%e6%8d%ae%e5%88%86%e6%9e%90-%e4%bd%bf%e7%94%a8python%e5%87%bd%e6%95%b0\/","title":{"rendered":"Python\u63a2\u7d22\u578b\u6570\u636e\u5206\u6790(EDA)\uff1a\u9ad8\u6548\u51fd\u6570\u5e93\u6307\u5357"},"content":{"rendered":"<h1>EDA &#8211; \u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff1a\u4f7f\u7528Python\u51fd\u6570\uff08\u7b2c1\u90e8\u5206\/\u51713\u90e8\u5206\uff09<\/h1>\n<p>\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528\u56fe\u5f62\u65b9\u6cd5\u8fdb\u884c\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4e13\u6ce8\u4e8ePython\u4e2d\u7528\u4e8e\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\u7684\u51fd\u6570\u3002\u4f17\u6240\u5468\u77e5\uff0c\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\u7684\u91cd\u8981\u6027\u4e0d\u8a00\u800c\u55bb\uff0c\u5b83\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u7684\u7b80\u8981\u7406\u89e3\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u76f4\u63a5\u5f00\u59cb\u5427\uff01<\/p>\n<hr \/>\n<h2>\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790-EDA<\/h2>\n<ul class=\"post-ul\">\n<li>EDA\u7528\u4e8e\u8c03\u67e5\u6570\u636e\u5e76\u603b\u7ed3\u5173\u952e\u89c1\u89e3\u3002<\/li>\n<li>\u5b83\u5c06\u4e3a\u60a8\u63d0\u4f9b\u6570\u636e\u7684\u57fa\u672c\u7406\u89e3\uff0c\u5305\u62ec\u6570\u636e\u5206\u5e03\u3001\u7a7a\u503c\u7b49\u66f4\u591a\u4fe1\u606f\u3002<\/li>\n<li>\u60a8\u53ef\u4ee5\u901a\u8fc7\u56fe\u5f62\u6216\u4e00\u4e9bPython\u51fd\u6570\u6765\u63a2\u7d22\u6570\u636e\u3002<\/li>\n<li>\u5206\u6790\u5c06\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a\u5355\u53d8\u91cf\u5206\u6790\u548c\u53cc\u53d8\u91cf\u5206\u6790\u3002\u5728\u5355\u53d8\u91cf\u5206\u6790\u4e2d\uff0c\u60a8\u5c06\u5206\u6790\u5355\u4e2a\u5c5e\u6027\uff1b\u800c\u5728\u53cc\u53d8\u91cf\u5206\u6790\u4e2d\uff0c\u60a8\u5c06\u5206\u6790\u4e00\u4e2a\u5c5e\u6027\u4e0e\u76ee\u6807\u5c5e\u6027\u7684\u5173\u7cfb\u3002<\/li>\n<li>\u5728\u975e\u56fe\u5f62\u65b9\u6cd5\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528shape\u3001summary\u3001describe\u3001isnull\u3001info\u3001datatypes\u7b49\u51fd\u6570\u3002<\/li>\n<li>\u5728\u56fe\u5f62\u65b9\u6cd5\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528\u6563\u70b9\u56fe\u3001\u7bb1\u7ebf\u56fe\u3001\u6761\u5f62\u56fe\u3001\u5bc6\u5ea6\u56fe\u548c\u76f8\u5173\u56fe\u7b49\u56fe\u8868\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u52a0\u8f7d\u6570\u636e<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u5c06\u628a\u6cf0\u5766\u5c3c\u514b\u53f7\u7684\u6570\u636e\u96c6\u52a0\u8f7d\u5230Python\u4e2d\uff0c\u7528\u4e8e\u8fdb\u884c\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff08EDA\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u52a0\u8f7d\u6240\u9700\u7684\u5e93<\/span>\r\n<span class=\"token keyword\">import<\/span> pandas <span class=\"token keyword\">as<\/span> pd\r\n<span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np\r\n<span class=\"token keyword\">import<\/span> seaborn <span class=\"token keyword\">as<\/span> sns\r\n\r\n<span class=\"token comment\"># \u52a0\u8f7d\u6570\u636e<\/span>\r\ndf <span class=\"token operator\">=<\/span> pd<span class=\"token punctuation\">.<\/span>read_csv<span class=\"token punctuation\">(<\/span><span class=\"token string\">'titanic.csv'<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token comment\"># \u67e5\u770b\u6570\u636e<\/span>\r\ndf<span class=\"token punctuation\">.<\/span>head<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u6cf0\u5766\u5c3c\u514b\u53f7\u6570\u636e\u96c6\u9884\u89c8\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/8-0.png\" alt=\"\u6cf0\u5766\u5c3c\u514b\u53f7\u6570\u636e\u96c6\u9884\u89c8\" \/><\/div>\n<p>\u6211\u4eec\u7684\u6570\u636e\u5df2\u7ecf\u51c6\u5907\u597d\u4f9b\u63a2\u7d22\u4e86\uff01<\/p>\n<hr \/>\n<h2>1. \u6570\u636e\u7684\u57fa\u672c\u4fe1\u606f &#8211; \u63a2\u7d22\u6027\u6570\u636e\u5206\u6790<\/h2>\n<p>df.info()\u51fd\u6570\u5c06\u4e3a\u6211\u4eec\u63d0\u4f9b\u6709\u5173\u6570\u636e\u96c6\u7684\u57fa\u672c\u4fe1\u606f\u3002\u5bf9\u4e8e\u4efb\u4f55\u6570\u636e\u96c6\uff0c\u4e86\u89e3\u5176\u57fa\u672c\u4fe1\u606f\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u8d77\u70b9\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u5728\u6211\u4eec\u7684\u6570\u636e\u4e0a\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u57fa\u672c\u4fe1\u606f<\/span>\r\ndf<span class=\"token punctuation\">.<\/span>info<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token comment\"># \u63cf\u8ff0\u6570\u636e<\/span>\r\ndf<span class=\"token punctuation\">.<\/span>describe<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u6570\u636e\u96c6\u57fa\u672c\u4fe1\u606f\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/14-0.png\" alt=\"\u6570\u636e\u96c6\u57fa\u672c\u4fe1\u606f\" \/><\/div>\n<ul class=\"post-ul\">\n<li>\u63cf\u8ff0\u6570\u636e &#8211; \u63cf\u8ff0\u6027\u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u6570\u636e\u96c6\u63cf\u8ff0\u6027\u7edf\u8ba1\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/16-0.png\" alt=\"\u6570\u636e\u96c6\u63cf\u8ff0\u6027\u7edf\u8ba1\" \/><\/div>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u4e0a\u9762\u8f93\u51fa\u4e2d\u663e\u793a\u7684\u7a7a\u503c\u6570\u91cf\u3001\u6570\u636e\u7c7b\u578b\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u4ee5\u53ca\u63cf\u8ff0\u6027\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n<hr \/>\n<h2>2. \u91cd\u590d\u7684\u503c<\/h2>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528df.duplicated().sum()\u51fd\u6570\u6765\u8ba1\u7b97\u91cd\u590d\u503c\u7684\u603b\u548c\uff0c\u5982\u679c\u6709\u7684\u8bdd\u3002\u5b83\u4f1a\u663e\u793a\u6570\u636e\u4e2d\u91cd\u590d\u503c\u7684\u6570\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u67e5\u627e\u91cd\u590d\u503c<\/span>\r\ndf<span class=\"token punctuation\">.<\/span>duplicated<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a0<\/p>\n<p>\u8be5\u51fd\u6570\u8fd4\u56de\u4e86&#8217;0&#8217;\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u7684\u6570\u636e\u96c6\u4e2d\u6ca1\u6709\u91cd\u590d\u7684\u503c\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u597d\u7684\u73b0\u8c61\u3002<\/p>\n<hr \/>\n<h2>3. \u6570\u636e\u4e2d\u7684\u72ec\u7279\u503c<\/h2>\n<p>\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528unique()\u51fd\u6570\u627e\u5230\u7279\u5b9a\u5217\u4e2d\u552f\u4e00\u503c\u7684\u6570\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u552f\u4e00\u503c<\/span>\r\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">'Pclass'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>unique<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">'Survived'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>unique<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">'Sex'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>unique<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>array([3, 1, 2], dtype=int64)\r\n\r\narray([0, 1], dtype=int64)\r\n\r\narray(['male', 'female'], dtype=object)\r\n<\/code><\/pre>\n<p>unique() \u51fd\u6570\u8fd4\u56de\u4e86\u6570\u636e\u4e2d\u5b58\u5728\u7684\u552f\u4e00\u503c\uff0c\u8fd9\u5bf9\u4e8e\u4e86\u89e3\u6570\u636e\u7279\u5f81\u975e\u5e38\u6709\u7528\uff01<\/p>\n<hr \/>\n<h2>4. \u5c06\u72ec\u7279\u8ba1\u6570\u53ef\u89c6\u5316<\/h2>\n<p>\u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u7528\u53ef\u89c6\u5316\u7684\u65b9\u5f0f\u5c55\u793a\u6570\u636e\u4e2d\u7684\u552f\u4e00\u503c\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u4f7f\u7528seaborn\u5e93\u3002\u4f60\u9700\u8981\u8c03\u7528sns.countplot()\u51fd\u6570\uff0c\u5e76\u6307\u5b9a\u8981\u7ed8\u5236\u8ba1\u6570\u56fe\u7684\u53d8\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u7ed8\u5236\u552f\u4e00\u503c<\/span>\r\n\r\nsns<span class=\"token punctuation\">.<\/span>countplot<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">'Pclass'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>unique<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/34-0.png\" alt=\"\u8ba1\u6570\u56fe\" \/><\/div>\n<p>\u592a\u597d\u4e86\uff01\u4f60\u505a\u5f97\u5f88\u597d\u3002\u5c31\u662f\u8fd9\u4e48\u7b80\u5355\u3002\u867d\u7136\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff08EDA\uff09\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u56fe\u5f62\u4e0e\u975e\u56fe\u5f62\u7684\u7ed3\u5408\u5c06\u4f1a\u7ed9\u4f60\u6574\u4f53\u66f4\u5927\u7684\u753b\u9762\u3002<\/p>\n<hr \/>\n<h2>\u627e\u5230\u7a7a\u503c<\/h2>\n<p>\u5bfb\u627e\u7a7a\u503c\u662f\u63a2\u7d22\u6570\u636e\u5206\u6790\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u6b65\u3002\u6b63\u5982\u6211\u591a\u6b21\u5f3a\u8c03\u7684\u90a3\u6837\uff0c\u786e\u4fdd\u6570\u636e\u8d28\u91cf\u81f3\u5173\u91cd\u8981\u3002\u56e0\u6b64\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u627e\u5230\u8fd9\u4e9b\u7a7a\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u67e5\u627e\u7a7a\u503c<\/span>\r\n\r\ndf<span class=\"token punctuation\">.<\/span>isnull<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u4e58\u5ba2\u7f16\u53f7      0\r\n\u662f\u5426\u5e78\u5b58       0\r\n\u4e58\u5ba2\u7b49\u7ea7       0\r\n\u59d3\u540d         0\r\n\u6027\u522b         0\r\n\u5e74\u9f84        177\r\n\u5144\u5f1f\u59d0\u59b9\/\u914d\u5076\u6570  0\r\n\u7236\u6bcd\/\u5b50\u5973\u6570    0\r\n\u8239\u7968\u7f16\u53f7       0\r\n\u7968\u4ef7         0\r\n\u5ba2\u8231\u53f7       687\r\n\u767b\u8239\u6e2f\u53e3       2\r\n\r\ndtype: int64\r\n<\/code><\/pre>\n<p>\u54e6\u4e0d\uff0c\u6211\u4eec\u7684&#8217;\u5e74\u9f84&#8217;\u548c&#8217;\u5ba2\u8231\u53f7&#8217;\u53d8\u91cf\u4e2d\u6709\u4e00\u4e9b\u7a7a\u503c\u3002\u4e0d\u8fc7\uff0c\u522b\u62c5\u5fc3\uff0c\u6211\u4eec\u5f88\u5feb\u4f1a\u627e\u5230\u5904\u7406\u5b83\u4eec\u7684\u65b9\u6cd5\u3002<\/p>\n<hr \/>\n<h2>6. \u66ff\u6362\u7a7a\u503c<\/h2>\n<p>\u563f\uff0c\u6211\u4eec\u6709\u4e00\u4e2areplace\uff08\uff09\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u6240\u6709\u7684\u7a7a\u503c\u66ff\u6362\u6210\u7279\u5b9a\u7684\u6570\u636e\u3002\u5b83\u592a\u597d\u7528\u4e86\uff01<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u66ff\u6362\u7a7a\u503c<\/span>\r\n\r\ndf<span class=\"token punctuation\">.<\/span>replace<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>nan<span class=\"token punctuation\">,<\/span><span class=\"token string\">'0'<\/span><span class=\"token punctuation\">,<\/span>inplace <span class=\"token operator\">=<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token comment\"># \u73b0\u5728\u68c0\u67e5\u66f4\u6539<\/span>\r\ndf<span class=\"token punctuation\">.<\/span>isnull<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u4e58\u5ba2\u7f16\u53f7    0\r\n\u662f\u5426\u5e78\u5b58     0\r\n\u4e58\u5ba2\u7b49\u7ea7     0\r\n\u59d3\u540d       0\r\n\u6027\u522b       0\r\n\u5e74\u9f84       0\r\n\u5144\u5f1f\u59d0\u59b9\/\u914d\u5076\u6570 0\r\n\u7236\u6bcd\/\u5b50\u5973\u6570   0\r\n\u8239\u7968\u7f16\u53f7     0\r\n\u7968\u4ef7       0\r\n\u5ba2\u8231\u53f7      0\r\n\u767b\u8239\u6e2f\u53e3     0\r\n\r\ndtype: int64\r\n<\/code><\/pre>\n<p>\u54c7\uff01\u592a\u68d2\u4e86\u3002\u5982\u4e0a\u6240\u793a\uff0c\u5728\u6570\u636e\u4e2d\u67e5\u627e\u548c\u66ff\u6362\u7a7a\u503c\u975e\u5e38\u5bb9\u6613\u3002\u6211\u5df2\u7ecf\u75280\u66ff\u6362\u4e86\u7a7a\u503c\u3002\u4f60\u751a\u81f3\u53ef\u4ee5\u9009\u62e9\u66f4\u6709\u610f\u4e49\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u5e73\u5747\u503c\u6216\u4e2d\u4f4d\u6570\u3002<\/p>\n<hr \/>\n<h2>7. \u4e86\u89e3\u6570\u636e\u7c7b\u578b<\/h2>\n<p>\u4e86\u89e3\u4f60\u6b63\u5728\u63a2\u7d22\u7684\u6570\u636e\u7c7b\u578b\u975e\u5e38\u91cd\u8981\uff0c\u800c\u4e14\u4e5f\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u6570\u636e\u7c7b\u578b<\/span>\r\n\r\ndf<span class=\"token punctuation\">.<\/span>dtypes\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\u4e58\u5ba2\u7f16\u53f7      int64\r\n\u662f\u5426\u5e78\u5b58       int64\r\n\u4e58\u5ba2\u7b49\u7ea7       int64\r\n\u59d3\u540d         object\r\n\u6027\u522b         object\r\n\u5e74\u9f84         object\r\n\u5144\u5f1f\u59d0\u59b9\/\u914d\u5076\u6570  int64\r\n\u7236\u6bcd\/\u5b50\u5973\u6570    int64\r\n\u8239\u7968\u7f16\u53f7      object\r\n\u7968\u4ef7         float64\r\n\u5ba2\u8231\u53f7       object\r\n\u767b\u8239\u6e2f\u53e3      object\r\n\r\ndtype: object\r\n<\/code><\/pre>\n<p>\u5c31\u662f\u8fd9\u6837\u3002\u4f60\u5fc5\u987b\u6309\u7167\u6240\u793a\u4f7f\u7528 dtypes \u51fd\u6570\uff0c\u5e76\u4e14\u4f60\u5c06\u4f1a\u5f97\u5230\u6bcf\u4e2a\u5c5e\u6027\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<hr \/>\n<h2>8. \u8fc7\u6ee4\u6570\u636e<\/h2>\n<p>\u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u4e00\u4e9b\u903b\u8f91\u8fc7\u6ee4\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u8fc7\u6ee4\u6570\u636e<\/span>\r\n\r\ndf<span class=\"token punctuation\">[<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">'Pclass'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">==<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>head<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/58-0.png\" alt=\"\u8fc7\u6ee4\" \/><\/div>\n<p>\u60a8\u53ef\u4ee5\u770b\u5230\uff0c\u4e0a\u8ff0\u4ee3\u7801\u4ec5\u8fd4\u56de\u5c5e\u4e8e\u7c7b\u522b1\u7684\u6570\u636e\u503c\u3002<\/p>\n<hr \/>\n<h2>9. \u4e00\u5e45\u5feb\u901f\u7bb1\u7ebf\u56fe<\/h2>\n<p>\u53ea\u9700\u4e00\u884c\u4ee3\u7801\uff0c\u5c31\u53ef\u4ee5\u4e3a\u4efb\u4f55\u6570\u503c\u5217\u521b\u5efa\u4e00\u4e2a\u7bb1\u7ebf\u56fe\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u7bb1\u7ebf\u56fe<\/span>\r\n\r\ndf<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">'Fare'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>boxplot<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/64-0.png\" alt=\"EDA\u7bb1\u7ebf\u56fe\" \/><\/div>\n<hr \/>\n<h2>10. \u76f8\u5173\u6027\u53ef\u89c6\u5316\u56fe &#8211; \u63a2\u7d22\u6027\u6570\u636e\u5206\u6790<\/h2>\n<p>\u6700\u540e\uff0c\u8981\u627e\u51fa\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u76f8\u5173\u51fd\u6570\u3002\u8fd9\u5c06\u8ba9\u4f60\u5bf9\u4e0d\u540c\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u5f3a\u5ea6\u6709\u4e00\u4e2a\u6e05\u6670\u7684\u4e86\u89e3\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u76f8\u5173\u6027\u5206\u6790<\/span>\r\n\r\ndf<span class=\"token punctuation\">.<\/span>corr<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u76f8\u5173\u77e9\u9635\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/69-0.png\" alt=\"\u76f8\u5173\u77e9\u9635\" \/><\/div>\n<p>\u8fd9\u662f\u4e00\u4e2a\u76f8\u5173\u77e9\u9635\uff0c\u8303\u56f4\u4ece+1\u5230-1\uff0c\u5176\u4e2d+1\u8868\u793a\u9ad8\u5ea6\u6b63\u76f8\u5173\uff0c-1\u8868\u793a\u9ad8\u5ea6\u8d1f\u76f8\u5173\u3002<\/p>\n<p>\u4f60\u751a\u81f3\u53ef\u4ee5\u4f7f\u7528seaborn\u5e93\u5c06\u76f8\u5173\u77e9\u9635\u53ef\u89c6\u5316\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token comment\"># \u76f8\u5173\u6027\u56fe<\/span>\r\n\r\nsns<span class=\"token punctuation\">.<\/span>heatmap<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">.<\/span>corr<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"Seaborn\u76f8\u5173\u6027\u56fe\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648494a4b2f92e6c72ff75\/73-0.png\" alt=\"Seaborn\u76f8\u5173\u6027\u56fe\" \/><\/div>\n<hr \/>\n<h2>\u7ed3\u5c3e\u8bed<\/h2>\n<p>\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff08EDA\uff09\u662f\u4efb\u4f55\u5206\u6790\u7684\u6700\u91cd\u8981\u90e8\u5206\uff0c\u80fd\u5e2e\u52a9\u4f60\u4e86\u89e3\u5173\u4e8e\u6570\u636e\u7684\u8bb8\u591a\u4e8b\u60c5\u3002\u901a\u8fc7EDA\uff0c\u4f60\u5c06\u80fd\u591f\u627e\u5230\u5927\u90e8\u5206\u95ee\u9898\u7684\u7b54\u6848\u3002\u6211\u5df2\u7ecf\u5c3d\u91cf\u5c55\u793a\u4e86\u7528\u4e8e\u6570\u636e\u63a2\u7d22\u7684\u8bb8\u591aPython\u51fd\u6570\u548c\u53ef\u89c6\u5316\u65b9\u6cd5\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p>\u73b0\u5728\u5c31\u8bf4\u8fd9\u4e48\u591a\u5427\uff01\u795d\u4f60\u6109\u5feb\u5730\u4f7f\u7528Python \ud83d\ude42<\/p>\n<p>\u66f4\u591a\u9605\u8bfb\uff1a\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EDA &#8211; \u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff1a\u4f7f\u7528Python\u51fd\u6570\uff08\u7b2c1\u90e8\u5206\/\u51713\u90e8\u5206\uff09 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u4ecb [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2078,273,1477,2077,811],"class_list":["post-772","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-eda","tag-pandas","tag-python","tag-2077","tag-811"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python\u63a2\u7d22\u578b\u6570\u636e\u5206\u6790(EDA)\uff1a\u9ad8\u6548\u51fd\u6570\u5e93\u6307\u5357 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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