{"id":1709,"date":"2023-07-25T07:08:03","date_gmt":"2023-07-25T07:08:03","guid":{"rendered":"https:\/\/statorials.org\/ja\/r-vs-r-2%e4%b9%97\/"},"modified":"2023-07-25T07:08:03","modified_gmt":"2023-07-25T07:08:03","slug":"r-vs-r-2%e4%b9%97","status":"publish","type":"post","link":"https:\/\/statorials.org\/ja\/r-vs-r-2%e4%b9%97\/","title":{"rendered":"R \u3068 r 2 \u4e57: \u9055\u3044\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u5b66\u751f\u304c\u7d71\u8a08\u5b66\u3067\u3088\u304f\u6df7\u540c\u3059\u308b 2 \u3064\u306e\u7528\u8a9e\u306f\u3001 <strong>R<\/strong>\u3068<strong>R \u4e8c\u4e57<\/strong>( <sup>R2<\/sup>\u3068\u66f8\u304b\u308c\u308b\u3053\u3068\u304c\u591a\u3044) \u3067\u3059\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ja\/\u7dda\u5f62\u56de\u5e30-1\/\" target=\"_blank\" rel=\"noopener\">\u5358\u7d14\u306a\u7dda\u5f62\u56de\u5e30<\/a>\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>A:<\/strong>\u4e88\u6e2c\u5909\u6570 x \u3068\u5fdc\u7b54\u5909\u6570 y \u306e\u9593\u306e\u76f8\u95a2\u95a2\u4fc2\u3002<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>R <sup>2<\/sup> :<\/strong>\u56de\u5e30\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u5909\u6570\u306b\u3088\u3063\u3066\u8aac\u660e\u3067\u304d\u308b\u5fdc\u7b54\u5909\u6570\u306e\u5206\u6563\u306e\u5272\u5408\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u305d\u3057\u3066\u3001<a href=\"https:\/\/statorials.org\/ja\/\u91cd\u7dda\u5f62\u56de\u5e30\/\" target=\"_blank\" rel=\"noopener\">\u91cd\u7dda\u5f62\u56de\u5e30<\/a>\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>A:<\/strong>\u5fdc\u7b54\u5909\u6570\u306e\u89b3\u6e2c\u5024\u3068\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305f\u5fdc\u7b54\u5909\u6570\u306e\u4e88\u6e2c\u5024\u306e\u9593\u306e\u76f8\u95a2\u95a2\u4fc2\u3002<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>R <sup>2<\/sup> :<\/strong>\u56de\u5e30\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u5909\u6570\u306b\u3088\u3063\u3066\u8aac\u660e\u3067\u304d\u308b\u5fdc\u7b54\u5909\u6570\u306e\u5206\u6563\u306e\u5272\u5408\u3002<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">R <sup>2<\/sup>\u306e\u5024\u306f 0 \uff5e 1 \u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5024\u304c 1 \u306b\u8fd1\u3065\u304f\u307b\u3069\u3001\u4e88\u6e2c\u5909\u6570\u3068\u5fdc\u7b54\u5909\u6570\u306e\u9593\u306e\u95a2\u4fc2\u304c\u5f37\u304f\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u4f8b\u306f\u3001\u5358\u7dda\u5f62\u56de\u5e30\u30e2\u30c7\u30eb\u3068\u91cd\u7dda\u5f62\u56de\u5e30\u30e2\u30c7\u30eb\u3067 R \u5024\u3068 R \u4e8c\u4e57\u5024\u3092\u89e3\u91c8\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u4f8b 1: \u5358\u7d14\u306a\u7dda\u5f62\u56de\u5e30<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u7279\u5b9a\u306e\u6570\u5b66\u30b3\u30fc\u30b9\u306e 12 \u4eba\u306e\u751f\u5f92\u306e\u5b66\u7fd2\u6642\u9593\u3068\u53d6\u5f97\u3057\u305f\u8a66\u9a13\u306e\u5f97\u70b9\u3092\u793a\u3059\u6b21\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16847 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/r_vs_rsquared1.png\" alt=\"\" width=\"171\" height=\"342\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u7d71\u8a08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 (Excel\u3001R\u3001Python\u3001SPSS \u306a\u3069) \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u300c\u5b66\u7fd2\u6642\u9593\u300d\u3092\u4e88\u6e2c\u5909\u6570\u3068\u3057\u3066\u3001\u300c\u8a66\u9a13\u306e\u6210\u7e3e\u300d\u3092<a href=\"https:\/\/statorials.org\/ja\/\u5909\u6570\u306e\u8aac\u660e\u5fdc\u7b54\/\" target=\"_blank\" rel=\"noopener\">\u5fdc\u7b54\u5909\u6570<\/a>\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u5358\u7d14\u306a\u7dda\u5f62\u56de\u5e30\u30e2\u30c7\u30eb\u3092\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u3053\u306e\u30e2\u30c7\u30eb\u306e\u51fa\u529b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16848 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/r_vs_rsquared3.png\" alt=\"\" width=\"213\" height=\"175\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u3053\u306e\u30e2\u30c7\u30eb\u306e R \u5024\u3068 R 2 \u4e57\u5024\u3092\u89e3\u91c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>A:<\/strong>\u52c9\u5f37\u6642\u9593\u3068\u8a66\u9a13\u306e\u30b9\u30b3\u30a2\u306e\u76f8\u95a2\u95a2\u4fc2\u306f<strong>0.959<\/strong>\u3067\u3059\u3002<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>R <sup>2<\/sup><\/strong> : \u3053\u306e\u56de\u5e30\u30e2\u30c7\u30eb\u306e R \u306e\u4e8c\u4e57\u306f<strong>0.920<\/strong>\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u8a66\u9a13\u306e\u5f97\u70b9\u306e\u5909\u52d5\u306e 92.0% \u304c\u52c9\u5f37\u6642\u9593\u306b\u3088\u3063\u3066\u8aac\u660e\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u307e\u305f\u3001R <sup>2<\/sup>\u5024\u306f\u5358\u7d14\u306b R \u5024\u306e 2 \u4e57\u306b\u7b49\u3057\u3044\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\"><sup>R2<\/sup> = R * R = 0.959 * 0.959 = <strong>0.920<\/strong><\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u4f8b 2: \u91cd\u56de\u5e30<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u7279\u5b9a\u306e\u6570\u5b66\u30b3\u30fc\u30b9\u306e 12 \u4eba\u306e\u751f\u5f92\u306e\u5b66\u7fd2\u6642\u9593\u3001\u73fe\u5728\u306e\u751f\u5f92\u306e\u6210\u7e3e\u3001\u304a\u3088\u3073\u8a66\u9a13\u306e\u6210\u7e3e\u3092\u793a\u3059\u6b21\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16850 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/r_vs_rsquared2.png\" alt=\"\" width=\"264\" height=\"343\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u7d71\u8a08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u300c\u5b66\u7fd2\u6642\u9593\u300d\u3068\u300c\u73fe\u5728\u306e\u6210\u7e3e\u300d\u3092\u4e88\u6e2c\u5909\u6570\u3068\u3057\u3066\u3001\u300c\u8a66\u9a13\u306e\u6210\u7e3e\u300d\u3092\u5fdc\u7b54\u5909\u6570\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u91cd\u7dda\u5f62\u56de\u5e30\u30e2\u30c7\u30eb\u3092\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u3053\u306e\u30e2\u30c7\u30eb\u306e\u51fa\u529b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16851 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/r_vs_rsquared4.png\" alt=\"\" width=\"217\" height=\"170\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u3053\u306e\u30e2\u30c7\u30eb\u306e R \u5024\u3068 R 2 \u4e57\u5024\u3092\u89e3\u91c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>A:<\/strong>\u5b9f\u969b\u306e\u30c6\u30b9\u30c8 \u30b9\u30b3\u30a2\u3068\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u30c6\u30b9\u30c8 \u30b9\u30b3\u30a2\u9593\u306e\u76f8\u95a2\u306f<strong>0.978<\/strong>\u3067\u3059\u3002<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>R <sup>2<\/sup><\/strong> : \u3053\u306e\u56de\u5e30\u30e2\u30c7\u30eb\u306e R \u306e\u4e8c\u4e57\u306f<strong>0.956<\/strong>\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u8a66\u9a13\u306e\u5f97\u70b9\u306e\u5909\u52d5\u306e 95.6% \u304c\u3001\u5b66\u7fd2\u6642\u9593\u6570\u3068\u30af\u30e9\u30b9\u5185\u306e\u751f\u5f92\u306e\u73fe\u5728\u306e\u6210\u7e3e\u306b\u3088\u3063\u3066\u8aac\u660e\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u307e\u305f\u3001R <sup>2<\/sup>\u5024\u306f\u5358\u7d14\u306b R \u5024\u306e 2 \u4e57\u306b\u7b49\u3057\u3044\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\"><sup>R2<\/sup> = R * R = 0.978 * 0.978 = <strong>0.956<\/strong><\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/statorials.org\/ja\/\u826f\u597d\u306ar\u4e8c\u4e57\u5024\/\" target=\"_blank\" rel=\"noopener\">\u9069\u5207\u306a R \u4e8c\u4e57\u5024\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b?<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/sst-ssr-sse\/\" target=\"_blank\" rel=\"noopener\">\u4e8c\u4e57\u548c\u306e\u512a\u3057\u3044\u30ac\u30a4\u30c9: SST\u3001SSR\u3001SSE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u751f\u304c\u7d71\u8a08\u5b66\u3067\u3088\u304f\u6df7\u540c\u3059\u308b 2 \u3064\u306e\u7528\u8a9e\u306f\u3001 R\u3068R \u4e8c\u4e57( R2\u3068\u66f8\u304b\u308c\u308b\u3053\u3068\u304c\u591a\u3044) \u3067\u3059\u3002 \u5358\u7d14\u306a\u7dda\u5f62\u56de\u5e30\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f: A:\u4e88\u6e2c\u5909\u6570 x \u3068\u5fdc\u7b54\u5909\u6570 y \u306e\u9593\u306e\u76f8\u95a2\u95a2\u4fc2\u3002 R 2 :\u56de\u5e30\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u5909\u6570\u306b\u3088 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1709","post","type-post","status-publish","format-standard","hentry","category-16"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R \u3068 R 2 \u4e57: \u9055\u3044\u306f\u4f55\u3067\u3059\u304b? - \u8a18\u4e8b<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u7d71\u8a08\u306b\u304a\u3051\u308b R \u3068 R \u4e8c\u4e57\u306e\u9055\u3044\u3092\u3044\u304f\u3064\u304b\u306e\u4f8b\u3068\u3068\u3082\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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