{"url":"https://yukinoi.hatenablog.com/entry/2016/11/12/231422","width":"100%","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyukinoi.hatenablog.com%2Fentry%2F2016%2F11%2F12%2F231422\" title=\"\u3044\u308d\u3093\u306atf-idf - Debug me\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","author_url":"https://blog.hatena.ne.jp/yukinoi/","title":"\u3044\u308d\u3093\u306atf-idf","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/y/yukinoi/20161112/20161112230952.png","provider_url":"https://hatena.blog","blog_url":"https://yukinoi.hatenablog.com/","categories":["\u81ea\u7136\u8a00\u8a9e\u51e6\u7406"],"blog_title":"Debug me","published":"2016-11-12 23:14:22","provider_name":"Hatena Blog","author_name":"yukinoi","description":"\u4eca\u56de\u306ftf-idf\u306e\u8a71\u3092\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u2026\u2026\u2020tf-idf\u306f\u3001\u6587\u66f8\u4e2d\u306e\u5358\u8a9e\u306b\u95a2\u3059\u308b\u91cd\u307f\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u4e3b\u306b\u60c5\u5831\u691c\u7d22\u3084\u6587\u7ae0\u8981\u7d04\u306a\u3069\u306e\u5206\u91ce\u3067\u5229\u7528\u3055\u308c\u308b\u3002 tf-idf\u306f\u3001tf\uff08\u82f1: Term Frequency\u3001\u5358\u8a9e\u306e\u51fa\u73fe\u983b\u5ea6\uff09\u3068idf\uff08\u82f1: Inverse Document Frequency\u3001\u9006\u6587\u66f8\u983b\u5ea6\uff09\u306e\u4e8c\u3064\u306e\u6307\u6a19\u306b\u3082\u3068\u3065\u3044\u3066\u8a08\u7b97\u3055\u308c\u308b\u3002 from tf-idf - Wikipedia \u3068\u3044\u3046\u3053\u3068\u3067\u3001tfidf=tf\u2219idf\u306b\u3088\u308b\u5358\u8a9e\u306e\u91cd\u307f\u4ed8\u3051\u306e\u65b9\u6cd5\u3067\u3059. \u4e0a\u8a18Wikipedia\u306e\u8a18\u4e8b\u3067\u306f\u30aa\u30fc\u30bd\u30c9\u30c3\u30af\u30b9\u306a\u4f8b\u304c\u6319\u3052\u3089\u308c\u3066\u307e\u3059\u304c, \u5b9f\u306f\u3044\u308d\u3044\u308d\u306a\u91cd\u307f\u4ed8\u3051\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059.","height":"190"}