{"id":10306,"date":"2026-11-02T14:41:51","date_gmt":"2026-11-02T05:41:51","guid":{"rendered":"https:\/\/since2020.jp\/media\/?p=10306"},"modified":"2026-11-02T14:41:52","modified_gmt":"2026-11-02T05:41:52","slug":"multicollinearity-coefficient-instability","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/multicollinearity-coefficient-instability\/","title":{"rendered":"\u591a\u91cd\u5171\u7dda\u6027\u3068\u306f\u56de\u5e30\u4fc2\u6570\u306e\u89e3\u91c8\u304c\u58ca\u308c\u308b\u7406\u7531\u306b\u3064\u3044\u3066\u89e3\u8aac"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u91cd\u56de\u5e30\u5206\u6790\u3067\u3001\u76f8\u95a2\u306e\u9ad8\u3044\u8aac\u660e\u5909\u6570\u3092\u4e00\u7dd2\u306b\u5165\u308c\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u3002\u4fc2\u6570\u306e\u7b26\u53f7\u304c\u60f3\u5b9a\u3068\u9006\u306b\u306a\u3063\u305f\u308a\u3001\u91cd\u8981\u305d\u3046\u306a\u5909\u6570\u304c\u300c\u6709\u610f\u3067\u306a\u3044\u300d\u3068\u51fa\u305f\u308a\u3057\u3066\u3001\u6238\u60d1\u3063\u305f\u7d4c\u9a13\u304c\u3042\u308b\u4eba\u3082\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u306e\u554f\u3044\u306f\u6b21\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u76f8\u95a2\u306e\u9ad8\u3044\u8aac\u660e\u5909\u6570\u3092\u5165\u308c\u308b\u3068\u3001\u56de\u5e30\u4fc2\u6570\u306f\u3069\u308c\u3060\u3051\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u306e\u304b\u3002\u305d\u306e\u3068\u304d\u3001\u4e88\u6e2c\u306f\u58ca\u308c\u308b\u306e\u304b\u3002<\/strong><\/p>\n\n\n\n<p>\u4eba\u5de5\u30c7\u30fc\u30bf\u3067\u76f8\u95a2\u306e\u5f37\u3055\u3092\u5909\u3048\u306a\u304c\u30891000\u56de\u305a\u3064\u5206\u6790\u3057\u3001\u4fc2\u6570\u3068\u4e88\u6e2c\u7cbe\u5ea6\u306e\u5909\u5316\u3092\u898b\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u63d0\uff1a\u591a\u91cd\u5171\u7dda\u6027\u3068\u306f<\/h2>\n\n\n\n<p>\u591a\u91cd\u5171\u7dda\u6027\u3068\u306f\u3001\u8aac\u660e\u5909\u6570\u3069\u3046\u3057\u306e\u76f8\u95a2\u304c\u9ad8\u304f\u3001\u3042\u308b\u5909\u6570\u3092\u4ed6\u306e\u5909\u6570\u3067\u307b\u307c\u8a00\u3044\u8868\u305b\u308b\u72b6\u614b\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u91cd\u56de\u5e30\u306e\u4fc2\u6570\u306f\u3001\u300c\u4ed6\u306e\u5909\u6570\u3092\u56fa\u5b9a\u3057\u305f\u3068\u304d\u306e\u3001\u305d\u306e\u5909\u6570\u306e\u52b9\u679c\u300d\u3092\u8868\u3057\u307e\u3059\u3002\u3068\u3053\u308d\u304c\u3001X1\u3068X2\u304c\u307b\u307c\u4e00\u7dd2\u306b\u52d5\u304f\u30c7\u30fc\u30bf\u3067\u306f\u3001\u300cX1\u3060\u3051\u304c\u52d5\u3044\u3066\u3001X2\u306f\u52d5\u304b\u306a\u3044\u300d\u5834\u9762\u304c\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001X1\u306e\u52b9\u679c\u3068X2\u306e\u52b9\u679c\u3092\u3001\u30c7\u30fc\u30bf\u304b\u3089\u5207\u308a\u5206\u3051\u3089\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8d77\u304d\u308b\u3053\u3068\u306f\u3001\u5927\u304d\u304f\u6b21\u306e3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fc2\u6570\u306e\u63a8\u5b9a\u5024\u304c\u3001\u30c7\u30fc\u30bf\u304c\u5909\u308f\u308b\u3060\u3051\u3067\u5927\u304d\u304f\u52d5\u304f<\/li>\n\n\n\n<li>\u4fc2\u6570\u306e\u6a19\u6e96\u8aa4\u5dee\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u672c\u5f53\u306f\u52b9\u3044\u3066\u3044\u308b\u5909\u6570\u304c\u300c\u6709\u610f\u3067\u306a\u3044\u300d\u3068\u51fa\u3084\u3059\u304f\u306a\u308b<\/li>\n\n\n\n<li>2\u3064\u306e\u5909\u6570\u3092\u5408\u308f\u305b\u305f\u4e88\u6e2c\u306e\u3042\u305f\u308a\u5177\u5408\u306f\u3001\u3042\u307e\u308a\u5909\u308f\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u6a19\u6e96\u8aa4\u5dee\u306e\u81a8\u3089\u307f\u306f\u3001\uff12\u5909\u6570\u306e\u5834\u5408\u3001\u6b21\u306e\u5f0f\u3067\u76ee\u5b89\u304c\u3064\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>VIF = 1 \/ (1 &#8211; \u76f8\u95a2\u00b2) \u6a19\u6e96\u8aa4\u5dee\u306e\u81a8\u3089\u307f \u2252 \u221aVIF<\/p>\n\n\n\n<p>\u76f8\u95a2\u304c0.9\u306a\u3089VIF\u306f\u7d045.3\u3067\u3001\u6a19\u6e96\u8aa4\u5dee\u306f\u7d042.3\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u76f8\u95a2\u304c0.99\u306a\u3089VIF\u306f\u7d0450\u3067\u3001\u6a19\u6e96\u8aa4\u5dee\u306f\u7d047.1\u500d\u3067\u3059\u3002\u306a\u304a\u3001\u5909\u6570\u304c3\u3064\u4ee5\u4e0a\u306e\u6642\u306eVIF\u306f\u3001\u3042\u308b\u5909\u6570\u3092\u4ed6\u306e\u5168\u3066\u306e\u5909\u6570\u3067\u4e88\u6e2c\u3057\u305f\u6642\u306e\u6c7a\u5b9a\u4fc2\u6570R\u00b2\u3092\u4f7f\u3044\u3001\u300c1 \/ (1 &#8211; R\u00b2)\u300d\u3067\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u300c\u7b26\u53f7\u304c\u9006\u306b\u306a\u308b\u300d\u306b\u306f\uff12\u901a\u308a\u3042\u308b<\/h2>\n\n\n\n<p>\u4fc2\u6570\u306e\u7b26\u53f7\u304c\u60f3\u5b9a\u3068\u9006\u306b\u306a\u308b\u7406\u7531\u306f\u30011\u3064\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u63a8\u5b9a\u304c\u4e0d\u5b89\u5b9a\u3067\u3001\u7b26\u53f7\u304c\u63fa\u308c\u308b\u3002<\/strong>\u771f\u306e\u4fc2\u6570\u306f\u6b63\u3067\u3082\u3001\u63a8\u5b9a\u5024\u304c\u8ca0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u591a\u91cd\u5171\u7dda\u6027\u306e\u672c\u984c\u3067\u3001\u3053\u306e\u8a18\u4e8b\u306e\u5b9f\u9a13\u3067\u78ba\u304b\u3081\u308b\u306e\u306f\u3053\u3061\u3089\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u898b\u3066\u3044\u308b\u91cf\u304c\u9055\u3046\u3002<\/strong>\u5358\u56de\u5e30\u3067\u306f\u6b63\u306e\u95a2\u4fc2\u3067\u3082\u3001\u4ed6\u306e\u5909\u6570\u3092\u56fa\u5b9a\u3057\u305f\u91cd\u56de\u5e30\u3067\u306f\u8ca0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u63a8\u5b9a\u306e\u5931\u6557\u3067\u306f\u306a\u304f\u3001\u300c\u4ed6\u3092\u56fa\u5b9a\u3057\u305f\u7d50\u679c\u300d\u3068\u3044\u3046\u5225\u306e\u91cf\u3092\u898b\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u5b9f\u9a13\u3067\u306f\u6271\u3044\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\uff12\u70b9\u306f\u6df7\u4e71\u3057\u3084\u3059\u3044\u70b9\u306a\u306e\u3067\u3001\u5148\u306b\u5206\u3051\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u9a13<\/h2>\n\n\n\n<p><span class=\"swl-fz u-fz-l\">\u8a2d\u5b9a<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30f3\u30d7\u30eb\u6570\u306f100\u3067\u3059\u3002X1\u306f\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u304b\u3089\u4f5c\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>X2\u306f\u3001X1\u3068\u306e\u76f8\u95a2\u304crho\u306b\u306a\u308b\u3088\u3046\u306b\u4f5c\u308a\u307e\u3059\u3002rho\u306f0\u30010.5\u30010.9\u30010.99\u306e4\u901a\u308a\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u76ee\u7684\u5909\u6570\u306f\u300cY = X1 + X2 + \u30ce\u30a4\u30ba\u300d\u3067\u3059\u3002\u771f\u306e\u4fc2\u6570\u306f\u3001\u3069\u3061\u3089\u30821\u3067\u3059\u3002\u30ce\u30a4\u30ba\u306e\u6a19\u6e96\u504f\u5dee\u306f\uff12\u306b\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>\u5404\u6761\u4ef6\u3067\u3001\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u5f53\u3066\u306f\u3081\u308b\u4f5c\u696d\u30921000\u56de\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e88\u6e2c\u7cbe\u5ea6\u306f\u30011\u56de\u3054\u3068\u306b\u65b0\u3057\u304f\u4f5c\u3063\u305f1000\u4ef6\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u3001RMSE(\uff12\u4e57\u5e73\u5747\u5e73\u65b9\u6839\u8aa4\u5dee)\u3092\u6e2c\u308a\u307e\u3059\u3002\u30ce\u30a4\u30ba\u306e\u6a19\u6e96\u504f\u5dee\u304c2\u306a\u306e\u3067\u3001\u3069\u3093\u306a\u30e2\u30c7\u30eb\u3067\u3082\u3001RMSE\u306e\u5e73\u5747\u306f2\u304c\u307b\u307c\u4e0b\u9650\u306b\u306a\u308a\u307e\u3059\u30022\u306b\u8fd1\u3044\u307b\u3069\u3001\u826f\u3044\u4e88\u6e2c\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306f2\u3064\u306e\u5834\u5408\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u540c\u3058\u76f8\u95a2\uff1a\u8a13\u7df4\u30c7\u30fc\u30bf\u3068\u540c\u3058rho\u3067\u4f5c\u308b<\/li>\n\n\n\n<li>\u76f8\u95a2\u304c\u5d29\u308c\u305f\uff1aX1\u3068X2\u3092\u7121\u76f8\u95a2(rho = 0)\u3067\u4f5c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u3079\u308b\u624b\u6cd5\u306f\u3001\u6b21\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u624b\u6cd5<\/td><td>\u5185\u5bb9<\/td><\/tr><tr><td>\u6700\u5c0f\u4e8c\u4e57\u6cd5<\/td><td>X1\u3001X2\u306e\u4e21\u65b9\u3092\u5165\u308c\u305f\u901a\u5e38\u306e\u91cd\u56de\u5e30<\/td><\/tr><tr><td>Ridge<\/td><td>\u540c\u30582\u5909\u6570\u3067\u3001\u4fc2\u6570\u3092\u5c0f\u3055\u304f\u3059\u308b\u6b63\u5247\u5316\u3092\u52a0\u3048\u305f\u56de\u5e30\uff08\u5f37\u3055\u306f\u4ea4\u5dee\u691c\u8a3c\u3067\u81ea\u52d5\u9078\u629e\uff09<\/td><\/tr><tr><td>X1\u306e\u307f<\/td><td>X2\u3092\u843d\u3068\u3057\u305f\u56de\u5e30<\/td><\/tr><tr><td>2\u3064\u306e\u5e73\u5747<\/td><td>X1\u3068X2\u306e\u5e73\u5747\u30921\u3064\u306e\u5909\u6570\u3068\u3057\u3066\u5165\u308c\u305f\u56de\u5e30<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u679c1\uff1a\u4fc2\u6570\u306f\u3001\u5e73\u5747\u3067\u306f\u5f53\u305f\u308b\u304c\u30011\u56de\u3054\u3068\u306e\u30d6\u30ec\u304c\u5927\u304d\u304f\u306a\u308b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"264\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1024x264.png\" alt=\"\" class=\"wp-image-10307\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1024x264.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-300x77.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-768x198.png 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1536x396.png 1536w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-2048x528.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u56f31\u306f\u3001X1\u306e\u4fc2\u6570\u306e\u63a8\u5b9a\u5024\u3092\u3001\u76f8\u95a2\u3054\u3068\u306b1000\u56de\u5206\u4e26\u3079\u305f\u3082\u306e\u3067\u3059\u3002\u6a59\u306e\u7dda\u304c\u771f\u306e\u5024(1)\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u76f8\u95a2<\/td><td>\u4fc2\u6570\u306e\u5e73\u5747<\/td><td>\u4fc2\u6570\u306e\u6a19\u6e96\u504f\u5dee<\/td><td>\u6a19\u6e96\u8aa4\u5dee\u306e\u5e73\u5747<\/td><td>VIF\u306e\u5e73\u5747<\/td><td>\u8ca0\u306b\u306a\u3063\u305f\u5272\u5408<\/td><\/tr><tr><td>0<\/td><td>1.016<\/td><td>0.205<\/td><td>0.204<\/td><td>1.01<\/td><td>0.0%<\/td><\/tr><tr><td>0.5<\/td><td>0.989<\/td><td>0.239<\/td><td>0.234<\/td><td>1.35<\/td><td>0.0%<\/td><\/tr><tr><td>0.9<\/td><td>1.009<\/td><td>0.476<\/td><td>0.465<\/td><td>5.37<\/td><td>2<\/td><\/tr><tr><td>0.99<\/td><td>0.996<\/td><td>1.377<\/td><td>1.438<\/td><td>51.7<\/td><td>24.4%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u898b\u3048\u308b\u3053\u3068\u306f\u6b21\u306e3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fc2\u6570\u306e\u5e73\u5747\u306f\u3001\u3069\u306e\u76f8\u95a2\u3067\u3082\u771f\u306e\u5024(1)\u306b\u8fd1\u3044\u3067\u3059\u3002\u591a\u91cd\u5171\u7dda\u6027\u304c\u3042\u3063\u3066\u3082\u3001\u63a8\u5b9a\u5024\u304c\u5e73\u5747\u7684\u306b\u504f\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u4e00\u65b9\u3067\u30011\u56de\u3054\u3068\u306e\u30d6\u30ec\u306f\u76f8\u95a2\u304c\u9ad8\u3044\u307b\u3069\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u76f8\u95a2\u304c0.99\u3067\u306f\u3001\u63a8\u5b9a\u5024\u304c\u304a\u304a\u3080\u306d-3\u304b\u30895\u306e\u7bc4\u56f2\u306b\u5e83\u304c\u308a\u30014\u56de\u306b1\u56de\u307b\u3069\u3001\u7b26\u53f7\u304c\u8ca0\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>\u6a19\u6e96\u8aa4\u5dee\u306f\u3001\u76f8\u95a20\u306b\u6bd4\u3079\u3066\u30010.9\u3067\u7d042.3\u500d\u30010.99\u3067\u7d047\u500d\u3067\u3059\u3002\u5148\u307b\u3069\u306e\u5f0f\u306e\u76ee\u5b89\u3068\u5408\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6a19\u6e96\u8aa4\u5dee\u306e\u5e73\u5747\u306f\u3001\u5b9f\u969b\u306e\u3070\u3089\u3064\u304d(\u6a19\u6e96\u504f\u5dee)\u3068\u307b\u307c\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u76f8\u95a2\u304c0.99\u306e\u3068\u304d\u3001\u6a19\u6e96\u8aa4\u5dee\uff08\u7d041.4\uff09\u306f\u771f\u306e\u4fc2\u6570(1)\u3088\u308a\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30011\u56de\u306e\u5206\u6790\u3067\u306f\u3001\u3053\u306e\u5909\u6570\u304c\u300c\u6709\u610f\u3067\u306a\u3044\u300d\u3068\u51fa\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u679c2\uff1a\u4e88\u6e2c\u306f\u58ca\u308c\u308b\u306e\u304b\u3002\u6761\u4ef6\u306b\u3088\u3063\u3066\u5909\u308f\u308b<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"365\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-1024x365.png\" alt=\"\" class=\"wp-image-10308\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-1024x365.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-300x107.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-768x274.png 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-1536x548.png 1536w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/11\/2026-10-29-14.26\u306e\u753b\u50cf-1-2048x731.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u56f3\uff12\u306f\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u306eRMSE(\u5e73\u5747)\u3067\u3059\u3002\u5de6\u304c\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u76f8\u95a2\u304c\u8a13\u7df4\u30c7\u30fc\u30bf\u3068\u540c\u3058\u5834\u5408\u3001\u53f3\u304c\u76f8\u95a2\u304c\u5d29\u308c\u305f\u5834\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf<\/td><td>\u624b\u6cd5<\/td><td>\u76f8\u95a20<\/td><td>\u76f8\u95a20.5<\/td><td>\u76f8\u95a20.9<\/td><td>\u76f8\u95a20.99<\/td><\/tr><tr><td>\u540c\u3058\u76f8\u95a2<\/td><td>\u6700\u5c0f\u4e8c\u4e57\u6cd5<\/td><td>2.027<\/td><td>2.030<\/td><td>2.029<\/td><td>2.029<\/td><\/tr><tr><td>\u540c\u3058\u76f8\u95a2<\/td><td>Ridge<\/td><td>2.028<\/td><td>2.030<\/td><td>2.026<\/td><td>2.023<\/td><\/tr><tr><td>\u540c\u3058\u76f8\u95a2<\/td><td>X1\u306e\u307f<\/td><td>2.256<\/td><td>2.202<\/td><td>2.065<\/td><td>2.025<\/td><\/tr><tr><td>\u540c\u3058\u76f8\u95a2<\/td><td>2\u3064\u306e\u5e73\u5747<\/td><td>2.017<\/td><td>2.019<\/td><td>2.018<\/td><td>2.020<\/td><\/tr><tr><td>\u76f8\u95a2\u304c\u5d29\u308c\u305f<\/td><td>\u6700\u5c0f\u4e8c\u4e57\u6cd5<\/td><td>2.028<\/td><td>2.038<\/td><td>2.119<\/td><td>2.694<\/td><\/tr><tr><td>\u76f8\u95a2\u304c\u5d29\u308c\u305f<\/td><td>X<\/td><td>2.029<\/td><td>2.036<\/td><td>2.068<\/td><td>2.231<\/td><\/tr><tr><td>\u76f8\u95a2\u304c\u5d29\u308c\u305f<\/td><td>X1\u306e\u307f<\/td><td>2.258<\/td><td>2.311<\/td><td>2.430<\/td><td>2.462<\/td><\/tr><tr><td>\u76f8\u95a2\u304c\u5d29\u308c\u305f<\/td><td>2\u3064\u306e\u5e73\u5747<\/td><td>2.018<\/td><td>2.017<\/td><td>2.019<\/td><td>2.015<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5de6\u5074\uff08\u540c\u3058\u76f8\u95a2\uff09\u3067\u306f\u3001\u6700\u5c0f\u4e8c\u4e57\u6cd5\u306eRMSE\u306f\u3001\u76f8\u95a2\u306b\u3088\u3089\u305a\u7d042.03\u3067\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u4fc2\u6570\u304c1\u56de\u3054\u3068\u306b\u5927\u304d\u304f\u3076\u308c\u3066\u3044\u3066\u3082\u3001\u4e88\u6e2c\u306f\u5f53\u305f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u53f3\u5074\uff08\u76f8\u95a2\u304c\u5d29\u308c\u305f\uff09\u3067\u306f\u3001\u69d8\u5b50\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u6700\u5c0f\u4e8c\u4e57\u6cd5\u306eRMSE\u306f\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u306e\u76f8\u95a2\u304c0.99\u306e\u3068\u304d\u30012.694\u307e\u3067\u60aa\u5316\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u9055\u3044\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8aac\u660e\u3067\u304d\u307e\u3059\u3002X1\u3068X2\u304c\u307b\u307c\u4e00\u7dd2\u306b\u52d5\u304f\u8a13\u7df4\u30c7\u30fc\u30bf\u3067\u306f\u3001\u300cX1\u306e\u4fc2\u6570\u3068X2\u306e\u4fc2\u6570\u306e\u5408\u8a08\u300d\u306f\u3088\u304f\u6c7a\u307e\u308a\u307e\u3059\u304c\u3001\u300c\u4e21\u8005\u306e\u5dee\u300d\u306f\u307b\u3068\u3093\u3069\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002\u540c\u3058\u76f8\u95a2\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u306f\u3001X1\u3068X2\u304c\u307b\u307c\u4e00\u7dd2\u306b\u52d5\u304f\u306e\u3067\u3001\u5dee\u306e\u8aa4\u5dee\u306f\u4e88\u6e2c\u306b\u51fa\u307e\u305b\u3093\u3002\u76f8\u95a2\u304c\u5d29\u308c\u308b\u3068\u3001X1\u3068X2\u304c\u5225\u3005\u306b\u52d5\u304f\u306e\u3067\u3001\u5dee\u306e\u8aa4\u5dee\u304c\u305d\u306e\u307e\u307e\u4e88\u6e2c\u306e\u8aa4\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>Ridge\u306f\u3001\u540c\u3058\u6761\u4ef6\uff08\u76f8\u95a20.99\uff09\u3067\u6700\u5c0f\u4e8c\u4e57\u6cd5\u3088\u308a\u60aa\u5316\u304c\u5c0f\u3055\u304f\uff082.231\uff09\u3001\u6291\u3048\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u300cX1\u306e\u307f\u300d\u306f\u3001\u76f8\u95a2\u304c\u5d29\u308c\u308b\u3068\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u306e\u76f8\u95a2\u304c\u9ad8\u3044\u307b\u3069\u60aa\u5316\u3057\u307e\u3057\u305f\uff082.258\u304b\u30892.462\uff09\u3002<\/p>\n\n\n\n<p>\u300cX1\u306e\u307f\u300d\u306f\u3001\u540c\u3058\u76f8\u95a2\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u306f\u3001\u76f8\u95a2\u304c\u9ad8\u3044\u307b\u3069\u826f\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002X2\u306e\u60c5\u5831\u306e\u5927\u534a\u3092X1\u304c\u4ee3\u308f\u308a\u306b\u6301\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3068\u3053\u308d\u304c\u3001\u76f8\u95a2\u304c\u5d29\u308c\u308b\u3068\u3001\u305d\u306e\u4ee3\u308f\u308a\u304c\u52b9\u304b\u306a\u304f\u306a\u308a\u3001\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c2\u3064\u306e\u5e73\u5747\u300d\u306f\u3001\u3069\u306e\u6761\u4ef6\u3067\u3082\u7d042.02\u3068\u5b89\u5b9a\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u771f\u306e\u4fc2\u6570\u304cX1\u30fbX2\u3068\u3082\u306b1\u3068\u3044\u3046\u8a2d\u5b9a\u304c\u3001\u3053\u306e\u624b\u6cd5\u306b\u6709\u5229\u3060\u3063\u305f\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u898b\u5206\u3051\u65b9<\/h2>\n\n\n\n<p>\u6b21\u306e\u3088\u3046\u306a\u5146\u5019\u304c\u3042\u308b\u3068\u304d\u306f\u3001\u591a\u91cd\u5171\u7dda\u6027\u3092\u7591\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VIF\u304c\u5927\u304d\u3044\u3002<\/strong>\u76ee\u5b89\u3068\u3057\u3066\u30015\u308410\u3092\u8d85\u3048\u308b\u3068\u7591\u3046\u3001\u3068\u8aac\u660e\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u7d76\u5bfe\u7684\u306a\u57fa\u6e96\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u5b9f\u9a13\u3067\u3082\u3001\u76f8\u95a20.9(VIF\u7d045)\u3067\u3001\u3059\u3067\u306b\u6a19\u6e96\u8aa4\u5dee\u306f\u7d042.3\u500d\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li><strong>\u6a19\u6e96\u8aa4\u5dee\u304c\u5927\u304d\u3044\u3002<\/strong>\u4fc2\u6570\u306e\u5927\u304d\u3055\u306b\u6bd4\u3079\u3066\u3001\u6a19\u6e96\u8aa4\u5dee\u304c\u6975\u7aef\u306b\u5927\u304d\u3044\u3068\u304d\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5909\u6570\u3092\u8db3\u3057\u5f15\u304d\u3059\u308b\u3068\u3001\u4fc2\u6570\u304c\u5927\u304d\u304f\u5909\u308f\u308b\u3002<\/strong>\u30c7\u30fc\u30bf\u3092\u5c11\u3057\u6e1b\u3089\u3057\u3066\u5f53\u3066\u306f\u3081\u76f4\u3057\u305f\u3068\u304d\u3082\u3001\u540c\u3058\u5146\u5019\u304c\u51fa\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u76f8\u95a2\u884c\u5217\u3092\u898b\u308b\u3002<\/strong>\u305f\u3060\u3057\u30013\u3064\u4ee5\u4e0a\u306e\u5909\u6570\u306b\u307e\u305f\u304c\u308b\u5171\u7dda\u6027\u306f\u3001\uff12\u5909\u6570\u305a\u3064\u306e\u76f8\u95a2\u3067\u306f\u898b\u843d\u3068\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002VIF\u306a\u3089\u3001\u4ed6\u306e\u5168\u5909\u6570\u3068\u306e\u95a2\u4fc2\u3092\u307e\u3068\u3081\u3066\u898b\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bfe\u51e6\u6cd5\u3068\u4f7f\u3044\u5206\u3051\u306e\u76ee\u5b89<\/h2>\n\n\n\n<p>\u6700\u521d\u306b\u8003\u3048\u308b\u306e\u306f\u3001\u300c\u4f55\u306e\u305f\u3081\u306b\u56de\u5e30\u3092\u4f7f\u3046\u306e\u304b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u76ee\u7684<\/td><td>\u591a\u91cd\u5171\u7dda\u6027\u306e\u5f71\u97ff<\/td><td>\u8003\u3048\u65b9<\/td><\/tr><tr><td>\u4e88\u6e2c<\/td><td>\u5c0f\u3055\u3044\u3053\u3068\u304c\u591a\u3044\u3002\u305f\u3060\u3057\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3067\u76f8\u95a2\u304c\u4fdd\u305f\u308c\u3066\u3044\u308b\u9593\u3060\u3051<\/td><td>\u76f8\u95a2\u306e\u69cb\u9020\u304c\u5909\u308f\u308a\u3046\u308b\u306a\u3089\u3001Ridge\u3084\u5909\u6570\u306e\u307e\u3068\u3081\u65b9\u3092\u691c\u8a0e\u3059\u308b<\/td><\/tr><tr><td>\u4fc2\u6570\u306e\u89e3\u91c8<\/td><td>\u5927\u304d\u3044<\/td><td>\u5909\u6570\u3092\u6e1b\u3089\u3059\u3001\u307e\u3068\u3081\u308b\u3001Ridge\u3067\u5b89\u5b9a\u3055\u305b\u308b\u3002\u4fc2\u6570\u3092\u5358\u72ec\u306e\u300c\u52b9\u679c\u300d\u3068\u3057\u3066\u8aad\u307e\u306a\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bfe\u51e6\u306e\u9078\u629e\u80a2\u306f\u3001\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ul 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