{"id":876,"date":"2023-07-28T11:25:07","date_gmt":"2023-07-28T11:25:07","guid":{"rendered":"https:\/\/statorials.org\/cn\/t%e5%88%86%e6%95%b0%e7%9a%84p%e5%80%bcpython\/"},"modified":"2023-07-28T11:25:07","modified_gmt":"2023-07-28T11:25:07","slug":"t%e5%88%86%e6%95%b0%e7%9a%84p%e5%80%bcpython","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/t%e5%88%86%e6%95%b0%e7%9a%84p%e5%80%bcpython\/","title":{"rendered":"\u5982\u4f55\u5728 python \u4e2d\u4ece t \u5206\u6570\u627e\u5230 p \u503c"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u5728\u7edf\u8ba1\u5b66\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u5e0c\u671b\u786e\u5b9a\u4e0e<a href=\"https:\/\/statorials.org\/cn\/\u5047\u8bbe\u68c0\u9a8c1\/\" target=\"_blank\" rel=\"noopener\">\u5047\u8bbe\u68c0\u9a8c<\/a>\u4ea7\u751f\u7684\u7279\u5b9a t \u5206\u6570\u76f8\u5173\u7684<a href=\"https:\/\/statorials.org\/cn\/p\u503c\u7edf\u8ba1\u663e\u7740\u6027\/\" target=\"_blank\" rel=\"noopener\">p \u503c<\/a>\u3002\u5982\u679c\u8be5 p \u503c\u4f4e\u4e8e\u4e00\u5b9a\u7684\u663e\u7740\u6027\u6c34\u5e73\uff0c\u6211\u4eec\u53ef\u4ee5\u62d2\u7edd\u5047\u8bbe\u68c0\u9a8c\u7684\u539f\u5047\u8bbe\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u8981\u5728 Python \u4e2d\u67e5\u627e\u4e0e t \u5206\u6570\u76f8\u5173\u7684 p \u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.t.html\" target=\"_blank\" rel=\"noopener\">scipy.stats.t.sf() \u51fd\u6570<\/a>\uff0c\u8be5\u51fd\u6570\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>scipy.stats.t.sf(abs(x), df)<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u91d1\u5b50\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x:<\/strong>\u5206\u6570 t<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>df\uff1a<\/strong>\u81ea\u7531\u5ea6<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u5982\u4f55\u67e5\u627e\u4e0e\u5de6\u4fa7\u68c0\u9a8c\u3001\u53f3\u4fa7\u68c0\u9a8c\u548c\u53cc\u5c3e\u68c0\u9a8c\u7684 t \u5206\u6570\u5173\u8054\u7684 p \u503c\u3002<\/span><\/p>\n<h3><strong>\u5de6\u6d4b\u8bd5<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5728\u5de6\u5047\u8bbe\u68c0\u9a8c\u4e2d\u627e\u5230\u4e0e t \u5206\u6570<strong>-0.77<\/strong>\u548c df = <strong>15<\/strong>\u76f8\u5173\u7684 p \u503c\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find p-value<\/span>\nscipy.stats.t.sf(abs(-.77), df=15)\n\n0.2266283049085413\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">p \u503c\u4e3a<strong>0.2266<\/strong> \u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528 \u03b1 = 0.05 \u7684\u663e\u7740\u6027\u6c34\u5e73\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u62d2\u7edd\u5047\u8bbe\u68c0\u9a8c\u7684\u539f\u5047\u8bbe\uff0c\u56e0\u4e3a\u8be5 p \u503c\u4e0d\u5c0f\u4e8e 0.05\u3002<\/span><\/p>\n<h3><strong>\u6b63\u786e\u7684\u6d4b\u8bd5<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5728\u53f3\u7ffc\u5047\u8bbe\u68c0\u9a8c\u4e2d\u627e\u5230\u4e0e t \u5206\u6570<strong>1.87<\/strong>\u548c df = <strong>24<\/strong>\u76f8\u5173\u7684 p \u503c\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find p-value<\/span>\nscipy.stats.t.sf(abs(1.87), df=24)\n\n0.036865328383323424\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">p \u503c\u4e3a<strong>0.0368<\/strong> \u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528 \u03b1 = 0.05 \u7684\u663e\u7740\u6027\u6c34\u5e73\uff0c\u6211\u4eec\u5c06\u62d2\u7edd\u5047\u8bbe\u68c0\u9a8c\u7684\u539f\u5047\u8bbe\uff0c\u56e0\u4e3a\u8be5 p \u503c\u5c0f\u4e8e 0.05\u3002<\/span><\/p>\n<h3><strong>\u53cc\u9762\u6d4b\u8bd5<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5728\u53cc\u5c3e\u5047\u8bbe\u68c0\u9a8c\u4e2d\u627e\u5230\u4e0e t \u5206\u6570<strong>1.24<\/strong>\u548c df = <strong>22<\/strong>\u76f8\u5173\u7684 p \u503c\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find p-value for two-tailed test<\/span>\nscipy.stats.t.sf(abs(1.24), df=22)*2\n\n0.22803901531680093\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"><span style=\"color: #000000;\"><em>\u4e3a\u4e86\u627e\u5230\u8fd9\u4e2a\u53cc\u8fb9 p \u503c\uff0c\u6211\u4eec\u53ea\u9700\u5c06\u5355\u8fb9 p \u503c\u4e58\u4ee5 2\u3002<\/em><\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">p \u503c\u4e3a<strong>0.2280<\/strong> \u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528 \u03b1 = 0.05 \u7684\u663e\u7740\u6027\u6c34\u5e73\uff0c\u6211\u4eec\u5c06\u65e0\u6cd5\u62d2\u7edd\u5047\u8bbe\u68c0\u9a8c\u7684\u539f\u5047\u8bbe\uff0c\u56e0\u4e3a\u8be5 p \u503c\u4e0d\u5c0f\u4e8e 0.05\u3002<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"><em><span style=\"color: #000000;\"><strong>\u76f8\u5173\uff1a<\/strong>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6b64\u5728\u7ebf<a href=\"https:\/\/statorials.org\/cn\/t-\u5206\u6570-p-\u503c\u8ba1\u7b97\u5668\/\" target=\"_blank\" rel=\"noopener\">T \u5206\u6570\u5230 P \u503c\u8ba1\u7b97\u5668<\/a>\u6765\u67e5\u627e p \u503c\u3002<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7edf\u8ba1\u5b66\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u5e0c\u671b\u786e\u5b9a\u4e0e\u5047\u8bbe\u68c0\u9a8c\u4ea7\u751f\u7684\u7279\u5b9a t \u5206\u6570\u76f8\u5173\u7684p \u503c\u3002\u5982\u679c\u8be5 p \u503c\u4f4e\u4e8e\u4e00\u5b9a\u7684\u663e\u7740\u6027\u6c34\u5e73\uff0c\u6211 [&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-876","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>\u5982\u4f55\u5728 Python \u4e2d\u4ece t \u5206\u6570\u4e2d\u67e5\u627e P \u503c - Statorials<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5982\u4f55\u5728 Python \u4e2d\u4ece t \u5206\u6570\u67e5\u627e p \u503c\u7684\u7b80\u5355\u8bf4\u660e\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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