{"id":917,"date":"2022-02-22T23:48:00","date_gmt":"2022-02-22T14:48:00","guid":{"rendered":"https:\/\/obgyn.jp\/?p=917"},"modified":"2022-03-13T20:01:25","modified_gmt":"2022-03-13T11:01:25","slug":"r-logrank-cox","status":"publish","type":"post","link":"https:\/\/obgyn.jp\/?p=917","title":{"rendered":"R \u306b\u3088\u308b Kaplan-Meier \u6cd5\u3001\u30ed\u30b0\u30e9\u30f3\u30af\u691c\u5b9a\u3001Cox \u6bd4\u4f8b\u30cf\u30b6\u30fc\u30c9\u30e2\u30c7\u30eb"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/3.2-13\/topics\/survdiff\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"Survdiff\">survdiff<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001\u30ed\u30b0\u30e9\u30f3\u30af\u691c\u5b9a\u3092\u884c\u3046\u3002\u307e\u305f\u3001<a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/3.2-13\/topics\/coxph\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"coxph\">coxph<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001Cox \u6bd4\u4f8b\u30cf\u30b6\u30fc\u30c9\u30e2\u30c7\u30eb\u5206\u6790\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092 import \u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">library(survival)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u306f Excel \u7b49\u3067\u4f5c\u6210\u3057\u305f CSV \u30d5\u30a1\u30a4\u30eb\u3092 R \u306b\u8aad\u307f\u8fbc\u3093\u3067\u5206\u6790\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u3053\u3053\u3067\u306f\u4fbf\u5b9c\u7684\u306b\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092\u4f5c\u6210\u3057\u3001data \u3068\u3044\u3046\u5909\u6570\u306b\u683c\u7d0d\u3057\u3066\u304a\u304f\u3002\u6253\u3061\u5207\u308a = 0 \u306a\u3089\u6253\u3061\u5207\u308a\u3042\u308a\u3068\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">data = data.frame(\u60a3\u8005\u756a\u53f7 = c(1,2,3,4,5,6,7,8,9,10), \u6297\u304c\u3093\u5264 = c(\"A\",\"A\",\"A\",\"A\",\"A\",\"B\",\"B\",\"B\",\"B\",\"B\"), \u751f\u5b58\u671f\u9593 = c(20,30,40,50,60,55,75,105,115,120), \u6253\u3061\u5207\u308a = c(1,1,1,1,0,1,1,1,1,0), \u5168\u8eab\u72b6\u614b = c(2,3,2,3,2,0,1,0,0,1))<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">data \u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">data<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kaplan-Meier \u6cd5\u306b\u3088\u308a\u3001\u6297\u304c\u3093\u5264 A \u7fa4\u3068\u6297\u304c\u3093\u5264 B \u7fa4\u3092\u6bd4\u8f03\u3059\u308b\u3002<a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/2.11-4\/topics\/Surv\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"Surv\">Surv<\/a> \u30b3\u30de\u30f3\u30c9\u3001<a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/2.11-4\/topics\/survfit\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"survfit\">survfit<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">kaplan = survfit(Surv(\u751f\u5b58\u671f\u9593, \u6253\u3061\u5207\u308a) ~ \u6297\u304c\u3093\u5264, data)\nkaplan #\u751f\u5b58\u671f\u9593\u4e2d\u592e\u5024\u3068\u4fe1\u983c\u533a\u9593\nsummary(kaplan) #\u751f\u5b58\u78ba\u7387\u3001\u6a19\u6e96\u8aa4\u5dee\u3001\u4fe1\u983c\u533a\u9593\nplot(kaplan) #Kaplan-Meier \u66f2\u7dda\u306e\u56f3\u793a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/2.11-4\/topics\/Surv\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"Surv\">Surv<\/a> \u30b3\u30de\u30f3\u30c9\u3001<a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/3.2-13\/topics\/survdiff\" rel=\"nofollow\" title=\"Survdiff\">survdiff<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001\u30ed\u30b0\u30e9\u30f3\u30af\u691c\u5b9a\u3092\u884c\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">survdiff(Surv(\u751f\u5b58\u671f\u9593, \u6253\u3061\u5207\u308a) ~ \u6297\u304c\u3093\u5264, data)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.rdocumentation.org\/packages\/survival\/versions\/3.2-13\/topics\/coxph\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" title=\"coxph\">coxph<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3068\u3001\u30ed\u30b0\u30e9\u30f3\u30af\u691c\u5b9a\u306e\u7d50\u679c\u306b\u52a0\u3048\u3001Cox \u6bd4\u4f8b\u30cf\u30b6\u30fc\u30c9\u30e2\u30c7\u30eb\u5206\u6790\u306b\u3088\u308b\u5c24\u5ea6\u6bd4\u691c\u5b9a\u3001Wald \u691c\u5b9a\u306e\u7d50\u679c\u3082\u5f97\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">cox = coxph(Surv(\u751f\u5b58\u671f\u9593, \u6253\u3061\u5207\u308a) ~ \u6297\u304c\u3093\u5264, data)\nsummary(cox)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Cox \u6bd4\u4f8b\u30cf\u30b6\u30fc\u30c9\u30e2\u30c7\u30eb\u306e\u8aac\u660e\u5909\u91cf\u3092\u5897\u3084\u3057\u3001\u591a\u5909\u91cf\u89e3\u6790\u3068\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002\u3053\u3053\u3067\u306f\u300c\u5168\u8eab\u72b6\u614b\u300d\u3092\u8aac\u660e\u5909\u91cf\u306b\u52a0\u3048\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"r\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">cox.multi = coxph(Surv(\u751f\u5b58\u671f\u9593, \u6253\u3061\u5207\u308a) ~ \u6297\u304c\u3093\u5264 + \u5168\u8eab\u72b6\u614b, data) \nsummary(cox.multi) #\u7d50\u679c\u306e\u8868\u793a\nAIC(cox.multi) #\u8d64\u6c60\u60c5\u5831\u91cf\u57fa\u6e96<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R \u306b\u3088\u308b\u751f\u5b58\u6642\u9593\u89e3\u6790<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[18,19,37],"class_list":["post-917","post","type-post","status-publish","format-standard","hentry","category-data-science","tag-multivariate","tag-model","tag-r"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"author\" content=\"JM\"\/>\n\t<meta name=\"google-site-verification\" content=\"OyBGx29XgVH55NNdXZpEiztbjEQYo_CUoeKrsVh6n9U\" \/>\n\t<link rel=\"canonical\" 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