{"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhoppingaround.hatenablog.com%2Fentry%2F2008%2F07%2F31%2F040612\" title=\"orthogonal polynomial - hopping around\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","height":"190","image_url":null,"provider_url":"https://hatena.blog","blog_url":"https://hoppingaround.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/at_sue/","version":"1.0","width":"100%","blog_title":"hopping around","published":"2008-07-31 04:06:12","description":"Longitudinal\u306e\u6388\u696d\u3067\uff0ctime trend\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u969b\u306b\uff0cmulticollinearity\u3092\u907f\u3051\u308b\u305f\u3081\u306btime( ^2/^3/...)\u3092\u305d\u306e\u307e\u307e\u653e\u308a\u8fbc\u3080\u3093\u3058\u3083\u306a\u304f\u3066\uff0c\u305d\u308c\u305e\u308corthogonal\u306b\u3057\u305forthogonal polynomial\u3092\u4f5c\u3063\u3066\uff08\u2190\u3053\u308c\u81ea\u4f53\u306fCholesky decomposition\u3092\u4f7f\u3048\u3070\u3055\u304f\u3055\u304f\u8a08\u7b97\u3067\u304d\u308b\uff08R\u3067\u308b\u30fc\u3061\u3093\u7d44\u3081\u3070OK\uff09\u653e\u308a\u8fbc\u3080\u3093\u3060\uff0c\u3068\u8a00\u308f\u308c\u3066\u3002 \u3048\u3047\u30fc\uff0c\u3067\u3082\u305d\u3093\u306a\u3053\u3068\u3057\u3061\u3083\u3063\u305f\u3089\uff0ctime trend\u306ecurvature\u306e\u89e3\u91c8\u304c\u304b\u3048\u3063\u3066\u96e3\u3057\u304f\u306a\u3089\u306a\u3044\uff1f\u3068\u601d\u3063\u3066\u8b70\u8ad6\u3092\u3075\u3063\u304b\u3051\u3066\u307f\u305f\u3068\u3053\u308d\u3002","url":"https://hoppingaround.hatenablog.com/entry/2008/07/31/040612","categories":["Econ"],"title":"orthogonal polynomial","author_name":"at_sue"}