{"id":37,"date":"2022-11-24T13:57:05","date_gmt":"2022-11-24T05:57:05","guid":{"rendered":"https:\/\/www.road-trip.cc\/?p=37"},"modified":"2024-05-06T16:04:03","modified_gmt":"2024-05-06T08:04:03","slug":"%e5%a4%9a%e5%85%83%e7%ba%bf%e6%80%a7%e5%9b%9e%e5%bd%92","status":"publish","type":"post","link":"https:\/\/www.road-trip.cc\/?p=37","title":{"rendered":"\u591a\u5143\u7ebf\u6027\u56de\u5f52"},"content":{"rendered":"\n<pre class=\"wp-block-code has-tertiary-background-color has-background\" style=\"border-width:1px\"><code>import pandas as pd\nimport statsmodels.formula.api as smf\n\n\ncol = &#091;\n    'target', 'B', 'C', 'D', 'E', 'F', 'G'\n]\n\nraw_df = pd.read_csv(\"data.csv\", sep=\",\", skiprows=1, header=None)\nprint(type(raw_df))\n\ndata = pd.DataFrame(raw_df.values, columns=col)\nprint(data)\n\nmod = smf.ols(formula='target~B+C+D+E+F+G', data=data)\nres = mod.fit()\nprint(res.summary())<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0ctarget\u662f\u56e0\u53d8\u91cfY\uff0cB\uff0cC\u7b49\u662f\u56e0\u6570x\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"650\" src=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-13.53.03-1.png\" alt=\"\" class=\"wp-image-42\" srcset=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-13.53.03-1.png 510w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-13.53.03-1-235x300.png 235w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure>\n\n\n\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"326\" src=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55-1024x326.png\" alt=\"\" class=\"wp-image-40\" srcset=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55-1024x326.png 1024w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55-300x95.png 300w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55-768x244.png 768w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55-1536x489.png 1536w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.15.55.png 1754w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"965\" src=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04-1024x965.png\" alt=\"\" class=\"wp-image-41\" srcset=\"https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04-1024x965.png 1024w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04-300x283.png 300w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04-768x723.png 768w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04-1536x1447.png 1536w, https:\/\/www.road-trip.cc\/wp-content\/uploads\/2022\/11\/\u622a\u5c4f2022-11-24-12.16.04.png 1758w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6a21\u578b\u89e3\u91ca\uff1a<\/p>\n\n\n\n<p>t\uff1at \u7edf\u8ba1\u91cf\uff08t-Statistic\uff09\uff0c\u7b49\u4e8e\u56de\u5f52\u7cfb\u6570\u9664\u4ee5\u6807\u51c6\u5dee\uff0c\u7528\u4e8e\u5bf9\u6bcf\u4e2a\u56de\u5f52\u7cfb\u6570\u5206\u522b\u8fdb\u884c\u68c0\u9a8c\uff0c\u68c0\u9a8c\u6bcf\u4e2a\u81ea\u53d8\u91cf\u5bf9\u56e0\u53d8\u91cf\u7684\u5f71\u54cd\u662f\u5426\u663e\u8457\u3002\u5982\u679c\u67d0\u4e2a\u81ea\u53d8\u91cf xi\u7684\u5f71\u54cd\u4e0d\u663e\u8457\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u4ece\u6a21\u578b\u4e2d\u5254\u9664\u8fd9\u4e2a\u81ea\u53d8\u91cf\u3002<\/p>\n\n\n\n<p>P&gt;|t|\uff1at\u68c0\u9a8c\u7684 P\u503c\uff08Prob(t-Statistic)\uff09\uff0c\u53cd\u6620\u6bcf\u4e2a\u81ea\u53d8\u91cf xi \u4e0e\u56e0\u53d8\u91cf y \u7684\u76f8\u5173\u6027\u5047\u8bbe\u7684\u663e\u8457\u6027\u3002\u5982\u679c p&lt;0.05\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u57280.05\u7684\u663e\u8457\u6027\u6c34\u5e73\u4e0b\u53d8\u91cfxi\u4e0ey\u5b58\u5728\u56de\u5f52\u5173\u7cfb\uff0c\u5177\u6709\u663e\u8457\u6027\u3002<\/p>\n\n\n\n<p>[0.025,0.975]\uff1a\u56de\u5f52\u7cfb\u6570\u7684\u7f6e\u4fe1\u533a\u95f4\uff08Confidence interval\uff09\u7684\u4e0b\u9650\u3001\u4e0a\u9650\uff0c\u67d0\u4e2a\u56de\u5f52\u7cfb\u6570\u7684\u7f6e\u4fe1\u533a\u95f4\u4ee5 95%\u7684\u7f6e\u4fe1\u5ea6\u5305\u542b\u8be5\u56de\u5f52\u7cfb\u6570 \u3002\u6ce8\u610f\u5e76\u4e0d\u662f\u6307\u6837\u672c\u6570\u636e\u843d\u5728\u8fd9\u4e00\u533a\u95f4\u7684\u6982\u7387\u4e3a 95%\u3002<\/p>\n\n\n\n<p>R-squared\uff1aR\u65b9\u5224\u5b9a\u7cfb\u6570\uff08Coefficient of determination\uff09\uff0c\u8868\u793a\u6240\u6709\u81ea\u53d8\u91cf\u5bf9\u56e0\u53d8\u91cf\u7684\u8054\u5408\u7684\u5f71\u54cd\u7a0b\u5ea6\uff0c\u7528\u4e8e\u5ea6\u91cf\u56de\u5f52\u65b9\u7a0b\u62df\u5408\u5ea6\u7684\u597d\u574f\uff0c\u8d8a\u63a5\u8fd1\u4e8e 1\u8bf4\u660e\u62df\u5408\u7a0b\u5ea6\u8d8a\u597d\u3002<\/p>\n\n\n\n<p>F-statistic\uff1aF \u7edf\u8ba1\u91cf\uff08F-Statistic\uff09\uff0c\u7528\u4e8e\u5bf9\u6574\u4f53\u56de\u5f52\u65b9\u7a0b\u8fdb\u884c\u663e\u8457\u6027\u68c0\u9a8c\uff0c\u68c0\u9a8c\u6240\u6709\u81ea\u53d8\u91cf\u5728\u6574\u4f53\u4e0a\u5bf9\u56e0\u53d8\u91cf\u7684\u5f71\u54cd\u662f\u5426\u663e\u8457\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5176\u4e2d\uff0ctarget\u662f\u56e0\u53d8\u91cfY\uff0cB\uff0cC\u7b49\u662f\u56e0\u6570x\u3002 \u6570\u636e\u683c\u5f0f\u5982\u4e0b\uff1a \u8f93\u51fa\u7ed3\u679c\uff1a \u6a21\u578b\u89e3\u91ca\uff1a t\uff1at \u7edf\u8ba1\u91cf\uff08t- &#8230; <a title=\"\u591a\u5143\u7ebf\u6027\u56de\u5f52\" class=\"read-more\" href=\"https:\/\/www.road-trip.cc\/?p=37\" aria-label=\"\u9605\u8bfb \u591a\u5143\u7ebf\u6027\u56de\u5f52\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[24,22,25,23],"class_list":["post-37","post","type-post","status-publish","format-standard","hentry","category-7","tag-python","tag-22","tag-25","tag-23"],"_links":{"self":[{"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/posts\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=37"}],"version-history":[{"count":2,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/posts\/37\/revisions"}],"predecessor-version":[{"id":43,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=\/wp\/v2\/posts\/37\/revisions\/43"}],"wp:attachment":[{"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=37"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=37"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.road-trip.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}