{"author_url":"https://blog.hatena.ne.jp/iDES/","blog_url":"https://ides.hatenablog.com/","provider_name":"Hatena Blog","height":"190","blog_title":"\u4e95\u51fa\u8349\u5e73\u306e\u7814\u7a76\u30ce\u30fc\u30c8","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/iDES/20230626/20230626001346.png","description":"Lasso \u56de\u5e30\u306f\u3001\u30c7\u30fc\u30bf\u306b\u591a\u91cd\u5171\u7dda\u6027\u304c\u5b58\u5728\u3059\u308b\u3068\u304d\u306b\u3001\u56de\u5e30\u30e2\u30c7\u30eb\u3092\u9069\u5408\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u624b\u6cd5\u3067\u3042\u308b\u3002 \u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u6700\u5c0f2\u4e57\u56de\u5e30\u306f\uff0c\u6b8b\u5dee2\u4e57\u548c (RSS) \u3092\u6700\u5c0f\u5316\u3059\u308b\u4fc2\u6570\u63a8\u5b9a\u3092\u898b\u3064\u3051\u308b\u3002 RSS = \u03a3(yi - \u0177i)2 \u3053\u3053\u3067 \u03a3 : \u548c\u3092\u610f\u5473\u3059\u308b\u30ae\u30ea\u30b7\u30e3\u8a18\u53f7 yi: \u756a\u76ee\u306e\u89b3\u6e2c\u306e\u5b9f\u969b\u306e\u5fdc\u7b54\u5024 \u0177i: \u91cd\u56de\u5e30\u30e2\u30c7\u30eb\u306b\u57fa\u3065\u304f\u4e88\u6e2c\u5fdc\u7b54\u5024 \u9006\u306blasso \u56de\u5e30\u306f\u3001\u6b21\u3092\u6700\u5c0f\u5316\u3057\u3088\u3046\u3068\u3059\u308b\uff1a RSS + \u03bb\u03a3|\u03b2j|\uff0e \u3053\u3053\u3067 j \u306f1 \u304b\u3089 p \u306e\u4e88\u6e2c\u5909\u6570\u3067\u3001\u03bb \u2265 0 \u3067\u3042\u308b\u3002 \u5f0f\u4e2d\u306e\u3053\u306e\u7b2c2\u9805\u306f\u3001\u7e2e\u5c0f\u5236\u7d04\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u3001R\u3067lasso \u56de\u5e30\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306e\u30b9\u30c6\u2026","published":"2023-06-25 22:48:10","categories":["R","\u56de\u5e30\u5206\u6790","Lasso, Ridge, EN","\u8a08\u91cf"],"provider_url":"https://hatena.blog","width":"100%","version":"1.0","title":"mtcars\u30c7\u30fc\u30bf\u3092\u7528\u3044\u305fLasso\u56de\u5e30[R]","author_name":"iDES","url":"https://ides.hatenablog.com/entry/2023/06/25/224810","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fides.hatenablog.com%2Fentry%2F2023%2F06%2F25%2F224810\" title=\"mtcars\u30c7\u30fc\u30bf\u3092\u7528\u3044\u305fLasso\u56de\u5e30[R] - \u4e95\u51fa\u8349\u5e73\u306e\u7814\u7a76\u30ce\u30fc\u30c8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}