{"version":"1.0","image_url":null,"author_url":"https://blog.hatena.ne.jp/HTN20190109/","provider_name":"Hatena Blog","published":"2025-08-27 22:43:21","width":"100%","url":"https://htn20190109.hatenablog.com/entry/2025/08/27/224321","description":"https://qiita.com/MA-fn/items/851f9fc50bda034cd5c6 https://mathwords.net/lasso https://qiita.com/c60evaporator/items/d0356fca12b37a82fe57 \u30fbL1\u6b63\u5247\u5316(\u30e9\u30c3\u30bd\u56de\u5e30) \u30b9\u30d1\u30fc\u30b9\u8868\u73fe\u3001\u7279\u5fb4\u91cf\u9078\u629e \u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e8b\u524d\u5206\u5e03\u304c\u5e73\u57470 \u306e\u30e9\u30d7\u30e9\u30b9\u5206\u5e03\u306b\u5f93\u3046\u3068\u4eee\u5b9a\u3057\u305fMAP \u63a8\u5b9a\u306b\u5bfe\u5fdc\u30fbL2\u6b63\u5247\u5316(\u30ea\u30c3\u30b8\u56de\u5e30) \u30c1\u30b3\u30ce\u30d5(Tikhonov)\u306e\u6b63\u5247\u5316 \u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4e8b\u524d\u5206\u5e03\u304c\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u3068\u4eee\u5b9a\u3057\u305fMAP \u63a8\u5b9a\u306b\u5bfe\u5fdc\u30fb\u30a8\u30e9\u30b9\u30c6\u30a3\u30c3\u30af\u30cd\u30c3\u30c8 ElasticNet \u30e9\u30c3\u30bd\u56de\u5e30 + \u2026","provider_url":"https://hatena.blog","blog_url":"https://htn20190109.hatenablog.com/","blog_title":"HTN20190109\u306e\u65e5\u8a18","author_name":"HTN20190109","categories":["DL"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2025%2F08%2F27%2F224321\" title=\"\u6b63\u5247\u5316 - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u6b63\u5247\u5316","height":"190","type":"rich"}