{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2020%2F06%2F14%2F003549\" title=\"\u7dda\u5f62\u56de\u5e30 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"derwind","published":"2020-06-14 00:35:49","provider_name":"Hatena Blog","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/derwind/","description":"$(x_j, t_j) \\in \\R^2,\\ 1 \\leq j \\leq N$ \u306e $N$ \u500b\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308b\u3068\u3057\u3066\u3001\u76f4\u7dda $y = \\alpha x + \\beta$ \u3067\u8fd1\u4f3c\u3057\u305f\u3044\u3002\u5185\u5bb9\u7684\u306b\u306f\u7d71\u8a08\u52c9\u5f37\u30ce\u30fc\u30c8(3) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u7aef\u6298\u3063\u305f\u90e8\u5206\u3067\u3042\u308b\u3002\u6700\u5c0f\u4e8c\u4e57\u6cd5\u3092\u4f7f\u3046\u3068\u3059\u308b\u3068\u3001\u554f\u984c\u306f \\begin{align} \\mathop{\\rm arg~max}\\limits_{\\alpha,\\beta} \\sum_{j=1}^N (y_j - t_j)^2 \\quad\\quad\\quad (1) \\end{align}\u3092\u6c42\u3081\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u3053\u3053\u3067 $y_j = \\alpha x_j + \\beta$ \u2026","blog_url":"https://randommemory.hatenablog.com/","provider_url":"https://hatena.blog","width":"100%","type":"rich","title":"\u7dda\u5f62\u56de\u5e30","url":"https://randommemory.hatenablog.com/entry/2020/06/14/003549","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","categories":["statistics"],"height":"190"}