{"id":2119,"date":"2023-07-23T15:01:59","date_gmt":"2023-07-23T15:01:59","guid":{"rendered":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/"},"modified":"2023-07-23T15:01:59","modified_gmt":"2023-07-23T15:01:59","slug":"%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/","title":{"rendered":"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u5728\u7edf\u8ba1\u5b66\u4e2d\uff0c\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u9884\u6d4b\u53d8\u91cf\u5f7c\u6b64\u9ad8\u5ea6\u76f8\u5173\uff0c\u4ee5\u81f4\u5b83\u4eec\u5728\u56de\u5f52\u6a21\u578b\u4e2d\u4e0d\u63d0\u4f9b\u552f\u4e00\u6216\u72ec\u7acb\u7684\u4fe1\u606f\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0<a href=\"https:\/\/statorials.org\/cn\/\u591a\u91cd\u5171\u7ebf\u6027\u56de\u5f52\/\" target=\"_blank\" rel=\"noopener\">\u591a\u91cd\u5171\u7ebf\u6027<\/a>\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u5173\u7a0b\u5ea6\u8db3\u591f\u9ad8\uff0c\u5219\u5728\u62df\u5408\u548c\u89e3\u91ca\u56de\u5f52\u6a21\u578b\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u591a\u91cd\u5171\u7ebf\u6027\u6700\u6781\u7aef\u7684\u60c5\u51b5\u79f0\u4e3a<strong>\u5b8c\u5168\u591a\u91cd\u5171\u7ebf\u6027<\/strong>\u3002\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u9884\u6d4b\u53d8\u91cf\u5f7c\u6b64\u5177\u6709\u7cbe\u786e\u7684\u7ebf\u6027\u5173\u7cfb\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4ee5\u4e0b\u6570\u636e\u96c6\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19687 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult1.png\" alt=\"\" width=\"243\" height=\"345\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u9884\u6d4b\u53d8\u91cf x <sub>2<\/sub>\u7684\u503c\u53ea\u662f x <sub>1<\/sub>\u4e58\u4ee5 2 \u7684\u503c\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-19688\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult2.png\" alt=\"\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u4f8b\u5b50\" width=\"241\" height=\"342\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8fd9\u662f<strong>\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027<\/strong>\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u95ee\u9898<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u5f53\u6570\u636e\u96c6\u4e2d\u5b58\u5728\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u65f6\uff0c\u666e\u901a\u6700\u5c0f\u4e8c\u4e58\u6cd5\u65e0\u6cd5\u4ea7\u751f\u56de\u5f52\u7cfb\u6570\u7684\u4f30\u8ba1\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4e8b\u5b9e\u4e0a\uff0c\u5728\u4fdd\u6301\u53e6\u4e00\u4e2a\u9884\u6d4b\u53d8\u91cf (x <sub>2<\/sub> ) \u6052\u5b9a\u7684\u540c\u65f6\uff0c\u4e0d\u53ef\u80fd\u4f30\u8ba1\u9884\u6d4b\u53d8\u91cf (x <sub>1<\/sub> ) \u5bf9\u54cd\u5e94\u53d8\u91cf (y) \u7684\u8fb9\u9645\u6548\u5e94\uff0c\u56e0\u4e3a x <sub>2<\/sub>\u603b\u662f\u5728 x <sub>1<\/sub>\u79fb\u52a8\u65f6\u7cbe\u786e\u79fb\u52a8\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u7b80\u800c\u8a00\u4e4b\uff0c\u5b8c\u7f8e\u7684\u591a\u91cd\u5171\u7ebf\u6027\u4f7f\u5f97\u65e0\u6cd5\u4f30\u8ba1\u56de\u5f52\u6a21\u578b\u4e2d\u6bcf\u4e2a\u7cfb\u6570\u7684\u503c\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5982\u4f55\u5904\u7406\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u5904\u7406\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u662f\u5220\u9664\u4e0e\u53e6\u4e00\u4e2a\u53d8\u91cf\u5177\u6709\u7cbe\u786e\u7ebf\u6027\u5173\u7cfb\u7684\u4e00\u4e2a\u53d8\u91cf\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5728\u6211\u4eec\u4e4b\u524d\u7684\u6570\u636e\u96c6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u5730\u5220\u9664 x <sub>2<\/sub>\u4f5c\u4e3a\u9884\u6d4b\u53d8\u91cf\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19689 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult3.png\" alt=\"\" width=\"159\" height=\"335\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u7136\u540e\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 x <sub>1<\/sub>\u4f5c\u4e3a\u9884\u6d4b\u53d8\u91cf\uff0cy \u4f5c\u4e3a\u54cd\u5e94\u53d8\u91cf\u6765\u62df\u5408\u56de\u5f52\u6a21\u578b\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u793a\u4f8b<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u793a\u4f8b\u663e\u793a\u4e86\u5b9e\u8df5\u4e2d\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u4e09\u79cd\u6700\u5e38\u89c1\u60c5\u51b5\u3002<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>1. \u9884\u6d4b\u53d8\u91cf\u662f\u53e6\u4e00\u4e2a\u53d8\u91cf\u7684\u500d\u6570<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u4f7f\u7528\u201c\u8eab\u9ad8\uff08\u5398\u7c73\uff09\u201d\u548c\u201c\u8eab\u9ad8\uff08\u7c73\uff09\u201d\u6765\u9884\u6d4b\u67d0\u79cd\u6d77\u8c5a\u7684\u4f53\u91cd\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u7684\u6570\u636e\u96c6\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19691 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult4.png\" alt=\"\" width=\"243\" height=\"313\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u201c\u4ee5\u5398\u7c73\u4e3a\u5355\u4f4d\u7684\u8eab\u9ad8\u201d\u7684\u503c\u4ec5\u7b49\u4e8e\u201c\u4ee5\u7c73\u4e3a\u5355\u4f4d\u7684\u8eab\u9ad8\u201d\u4e58\u4ee5 100\u3002\u8fd9\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u60c5\u51b5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u6b64\u6570\u636e\u96c6\u5728 R \u4e2d\u62df\u5408\u591a\u5143\u7ebf\u6027\u56de\u5f52\u6a21\u578b\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u751f\u6210\u9884\u6d4b\u53d8\u91cf\u201c\u7c73\u201d\u7684\u7cfb\u6570\u4f30\u8ba1\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (weight=c(400, 460, 470, 475, 490, 440, 430, 490, 500, 540),\n                 m=c(1.3, .7, .6, 1.3, 1.2, 1.5, 1.2, 1.6, 1.1, 1.4),\n                 cm=c(130, 70, 60, 130, 120, 150, 120, 160, 110, 140))\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(weight~m+cm, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = weight ~ m + cm, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-70,501 -25,501 5,183 19,499 68,590 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 458,676 53,403 8,589 2.61e-05 ***\nm 9.096 43.473 0.209 0.839    \ncm NA NA NA NA    \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 41.9 on 8 degrees of freedom\nMultiple R-squared: 0.005442, Adjusted R-squared: -0.1189 \nF-statistic: 0.04378 on 1 and 8 DF, p-value: 0.8395<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>2. \u9884\u6d4b\u53d8\u91cf\u662f\u53e6\u4e00\u4e2a\u53d8\u91cf\u7684\u53d8\u6362\u7248\u672c<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u4f7f\u7528\u201c\u5206\u6570\u201d\u548c\u201c\u7f29\u653e\u5206\u6570\u201d\u6765\u9884\u6d4b\u7bee\u7403\u8fd0\u52a8\u5458\u7684\u8bc4\u5206\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u53d8\u91cf\u201c\u7f29\u653e\u70b9\u201d\u8ba1\u7b97\u5982\u4e0b\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\">\u7f29\u653e\u70b9 = ( \u70b9 \u2013 \u03bc<sub>\u70b9<\/sub>) \/ \u03c3<sub>\u70b9<\/sub><\/span><\/p>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u7684\u6570\u636e\u96c6\u53ef\u80fd\u5982\u4e0b\u6240\u793a\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19693 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult5.png\" alt=\"\" width=\"275\" height=\"307\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u6bcf\u4e2a\u201c\u7f29\u653e\u70b9\u201d\u503c\u53ea\u662f\u201c\u70b9\u201d\u7684\u6807\u51c6\u5316\u7248\u672c\u3002\u8fd9\u662f\u5b8c\u5168\u591a\u91cd\u5171\u7ebf\u6027\u7684\u60c5\u51b5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u6b64\u6570\u636e\u96c6\u5728 R \u4e2d\u62df\u5408\u591a\u5143\u7ebf\u6027\u56de\u5f52\u6a21\u578b\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u751f\u6210\u201c\u7f29\u653e\u70b9\u201d\u9884\u6d4b\u53d8\u91cf\u7684\u7cfb\u6570\u4f30\u8ba1\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (rating=c(88, 83, 90, 94, 96, 78, 79, 91, 90, 82),\n                 pts=c(17, 19, 24, 29, 33, 15, 14, 29, 25, 22))\n\ndf$scaled_pts &lt;- (df$pts - mean(df$pts)) \/ sd(df$pts)\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(rating~pts+scaled_pts, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = rating ~ pts + scaled_pts, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-4.4932 -1.3941 -0.2935 1.3055 5.8412 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 67.4218 3.5896 18.783 6.67e-08 ***\npts 0.8669 0.1527 5.678 0.000466 ***\nscaled_pts NA NA NA NA    \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 2.953 on 8 degrees of freedom\nMultiple R-squared: 0.8012, Adjusted R-squared: 0.7763 \nF-statistic: 32.23 on 1 and 8 DF, p-value: 0.0004663\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>3. \u865a\u62df\u53d8\u91cf\u9677\u9631<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u53e6\u4e00\u79cd\u53ef\u80fd\u53d1\u751f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u60c5\u51b5\u79f0\u4e3a<a href=\"https:\/\/statorials.org\/cn\/\u865a\u62df\u53d8\u91cf\u9677\u9631\/\" target=\"_blank\" rel=\"noopener\">\u865a\u62df\u53d8\u91cf\u9677\u9631<\/a>\u3002\u8fd9\u662f\u5f53\u6211\u4eec\u60f3\u8981\u5728\u56de\u5f52\u6a21\u578b\u4e2d\u83b7\u53d6\u5206\u7c7b\u53d8\u91cf\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5177\u6709 0\u30011\u30012 \u7b49\u503c\u7684\u201c\u865a\u62df\u53d8\u91cf\u201d\u65f6\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u4f7f\u7528\u9884\u6d4b\u53d8\u91cf\u201c\u5e74\u9f84\u201d\u548c\u201c\u5a5a\u59fb\u72b6\u51b5\u201d\u6765\u9884\u6d4b\u6536\u5165\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13944 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequin4.png\" alt=\"\" width=\"248\" height=\"311\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8981\u4f7f\u7528\u201c\u5a5a\u59fb\u72b6\u51b5\u201d\u4f5c\u4e3a\u9884\u6d4b\u53d8\u91cf\uff0c\u6211\u4eec\u5fc5\u987b\u9996\u5148\u5c06\u5176\u8f6c\u6362\u4e3a\u865a\u62df\u53d8\u91cf\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4e3a\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u201c\u5355\u8eab\u201d\u4fdd\u7559\u4e3a\u57fa\u503c\uff0c\u56e0\u4e3a\u8fd9\u79cd\u60c5\u51b5\u6700\u5e38\u53d1\u751f\uff0c\u5e76\u5c06\u503c 0 \u6216 1 \u5206\u914d\u7ed9\u201c\u5df2\u5a5a\u201d\u548c\u201c\u79bb\u5a5a\u201d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13950 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequin6.png\" alt=\"\" width=\"639\" height=\"323\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u9519\u8bef\u7684\u505a\u6cd5\u662f\u521b\u5efa\u4e09\u4e2a\u65b0\u7684\u865a\u62df\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13973 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequinvartrap1.png\" alt=\"\" width=\"665\" height=\"298\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u201c\u5355\u8eab\u201d\u53d8\u91cf\u662f\u201c\u5df2\u5a5a\u201d\u548c\u201c\u79bb\u5a5a\u201d\u53d8\u91cf\u7684\u5b8c\u7f8e\u7ebf\u6027\u7ec4\u5408\u3002\u8fd9\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u6b64\u6570\u636e\u96c6\u5728 R \u4e2d\u62df\u5408\u591a\u5143\u7ebf\u6027\u56de\u5f52\u6a21\u578b\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u4e3a\u6bcf\u4e2a\u9884\u6d4b\u53d8\u91cf\u751f\u6210\u7cfb\u6570\u4f30\u8ba1\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (income=c(45, 48, 54, 57, 65, 69, 78, 83, 98, 104, 107),\n                 age=c(23, 25, 24, 29, 38, 36, 40, 59, 56, 64, 53),\n                 single=c(1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0),\n                 married=c(0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1),\n                 divorced=c(0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0))\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(income~age+single+married+divorced, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = income ~ age + single + married + divorced, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-9.7075 -5.0338 0.0453 3.3904 12.2454 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)   \n(Intercept) 16.7559 17.7811 0.942 0.37739   \nage 1.4717 0.3544 4.152 0.00428 **\nsingle -2.4797 9.4313 -0.263 0.80018   \nmarried NA NA NA NA   \ndivorced -8.3974 12.7714 -0.658 0.53187   \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 8.391 on 7 degrees of freedom\nMultiple R-squared: 0.9008, Adjusted R-squared: 0.8584 \nF-statistic: 21.2 on 3 and 7 DF, p-value: 0.0006865\n<\/strong><\/pre>\n<h3><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/statorials.org\/cn\/\u591a\u91cd\u5171\u7ebf\u6027\u56de\u5f52\/\" target=\"_blank\" rel=\"noopener\">\u56de\u5f52\u4e2d\u7684\u591a\u91cd\u5171\u7ebf\u6027\u548c VIF \u6307\u5357<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u65b9\u5dee\u81a8\u80c0\u56e0\u5b50-r\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u5728R\u4e2d\u8ba1\u7b97VIF<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5982\u4f55\u5728python\u4e2d\u8ba1\u7b97vive\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u7528Python\u8ba1\u7b97VIF<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5982\u4f55\u5728excel\u4e2d\u8ba1\u7b97vive\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u5728Excel\u4e2d\u8ba1\u7b97VIF<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7edf\u8ba1\u5b66\u4e2d\uff0c\u5f53\u4e24\u4e2a\u6216\u591a\u4e2a\u9884\u6d4b\u53d8\u91cf\u5f7c\u6b64\u9ad8\u5ea6\u76f8\u5173\uff0c\u4ee5\u81f4\u5b83\u4eec\u5728\u56de\u5f52\u6a21\u578b\u4e2d\u4e0d\u63d0\u4f9b\u552f\u4e00\u6216\u72ec\u7acb\u7684\u4fe1\u606f\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u591a\u91cd\u5171\u7ebf\u6027 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2119","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/cn\/\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/cn\/\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T15:01:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult1.png\" \/>\n<meta name=\"author\" content=\"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a\" \/>\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\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/\",\"url\":\"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/\",\"name\":\"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/cn\/#website\"},\"datePublished\":\"2023-07-23T15:01:59+00:00\",\"dateModified\":\"2023-07-23T15:01:59+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/cn\/#\/schema\/person\/124e4e5b7c9f8dc0f1f95cc8c1db3261\"},\"description\":\"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u5bb6\",\"item\":\"https:\/\/statorials.org\/cn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/cn\/#website\",\"url\":\"https:\/\/statorials.org\/cn\/\",\"name\":\"Statorials\",\"description\":\"\u60a8\u7684\u7edf\u8ba1\u7d20\u517b\u6307\u5357\uff01\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/cn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/cn\/#\/schema\/person\/124e4e5b7c9f8dc0f1f95cc8c1db3261\",\"name\":\"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/statorials.org\/cn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/cn\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/cn\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a\"},\"description\":\"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u672c\u6770\u660e\uff0c\u4e00\u4f4d\u9000\u4f11\u7684\u7edf\u8ba1\u5b66\u6559\u6388\uff0c\u540e\u6765\u6210\u4e3a Statorials \u7684\u70ed\u5fc3\u6559\u5e08\u3002 \u51ed\u501f\u5728\u7edf\u8ba1\u9886\u57df\u7684\u4e30\u5bcc\u7ecf\u9a8c\u548c\u4e13\u4e1a\u77e5\u8bc6\uff0c\u6211\u6e34\u671b\u5206\u4eab\u6211\u7684\u77e5\u8bc6\uff0c\u901a\u8fc7 Statorials \u589e\u5f3a\u5b66\u751f\u7684\u80fd\u529b\u3002\u4e86\u89e3\u66f4\u591a\",\"sameAs\":[\"https:\/\/statorials.org\/cn\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials","description":"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/cn\/\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\/","og_locale":"zh_CN","og_type":"article","og_title":"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials","og_description":"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002","og_url":"https:\/\/statorials.org\/cn\/\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\/","og_site_name":"Statorials","article_published_time":"2023-07-23T15:01:59+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult1.png"}],"author":"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/","url":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/","name":"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09- Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/cn\/#website"},"datePublished":"2023-07-23T15:01:59+00:00","dateModified":"2023-07-23T15:01:59+00:00","author":{"@id":"https:\/\/statorials.org\/cn\/#\/schema\/person\/124e4e5b7c9f8dc0f1f95cc8c1db3261"},"description":"\u672c\u6559\u7a0b\u63d0\u4f9b\u4e86\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\u7684\u89e3\u91ca\uff0c\u5305\u62ec\u6b63\u5f0f\u5b9a\u4e49\u548c\u51e0\u4e2a\u793a\u4f8b\u3002","breadcrumb":{"@id":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/cn\/%e5%ae%8c%e7%be%8e%e5%a4%9a%e9%87%8d%e5%85%b1%e7%ba%bf%e6%80%a7\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u5bb6","item":"https:\/\/statorials.org\/cn\/"},{"@type":"ListItem","position":2,"name":"\u4ec0\u4e48\u662f\u5b8c\u7f8e\u591a\u91cd\u5171\u7ebf\u6027\uff1f \uff08\u5b9a\u4e49\u548c\u793a\u4f8b\uff09"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/cn\/#website","url":"https:\/\/statorials.org\/cn\/","name":"Statorials","description":"\u60a8\u7684\u7edf\u8ba1\u7d20\u517b\u6307\u5357\uff01","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/cn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/statorials.org\/cn\/#\/schema\/person\/124e4e5b7c9f8dc0f1f95cc8c1db3261","name":"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/statorials.org\/cn\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/cn\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/cn\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"\u672c\u6770\u660e\u00b7\u5b89\u5fb7\u68ee\u535a"},"description":"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u672c\u6770\u660e\uff0c\u4e00\u4f4d\u9000\u4f11\u7684\u7edf\u8ba1\u5b66\u6559\u6388\uff0c\u540e\u6765\u6210\u4e3a Statorials \u7684\u70ed\u5fc3\u6559\u5e08\u3002 \u51ed\u501f\u5728\u7edf\u8ba1\u9886\u57df\u7684\u4e30\u5bcc\u7ecf\u9a8c\u548c\u4e13\u4e1a\u77e5\u8bc6\uff0c\u6211\u6e34\u671b\u5206\u4eab\u6211\u7684\u77e5\u8bc6\uff0c\u901a\u8fc7 Statorials \u589e\u5f3a\u5b66\u751f\u7684\u80fd\u529b\u3002\u4e86\u89e3\u66f4\u591a","sameAs":["https:\/\/statorials.org\/cn"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/posts\/2119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/comments?post=2119"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/posts\/2119\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/media?parent=2119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/categories?post=2119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/cn\/wp-json\/wp\/v2\/tags?post=2119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}