{"provider_name":"Hatena Blog","categories":["Ruby"],"description":"MovieLens\u3068\u547c\u3070\u308c\u308b\u6620\u753b\u306e\u6279\u8a55\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u6620\u753b\u306e\u63a8\u85a6\u3092\u884c\u3063\u3066\u307f\u3088\u3046\uff0c\u3068\u3044\u3046\u8a66\u307f\u3067\u3059\uff0e \u4eca\u56de\u306f\u5143\u30c7\u30fc\u30bf\u3092\u3053\u308c\u307e\u3067\u306b\u4f5c\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u5909\u63db\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u3084\u308a\u307e\u3059\uff0e MovieLens\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5909\u63db \u30c7\u30fc\u30bf\u306e\u5f62\u5f0f\u3092\u3053\u308c\u307e\u3067\u306ecritics(\u3044\u308f\u3086\u308bHash\u306eHash)\u3068\u540c\u3058\u3088\u3046\u306b\u3057\u307e\u3059\uff0e \u3084\u308a\u304b\u305f\u306f\u8272\u3005\u3042\u308a\u307e\u3059\u304c\uff0c\u3053\u3053\u3067\u306fCSV\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3044\u307e\u3057\u305f\uff0e require 'csv' module My class MovieLens def initialize(item_file, critic_file) @item_file = item_file @critic_fi\u2026","author_url":"https://blog.hatena.ne.jp/kj-ki/","height":"190","provider_url":"https://hatena.blog","image_url":null,"title":"Ruby\u3067\u66f8\u304fMovieLens\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5909\u63db","version":"1.0","author_name":"kj-ki","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkj-ki.hatenablog.com%2Fentry%2F20080828%2Fp1\" title=\"Ruby\u3067\u66f8\u304fMovieLens\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5909\u63db - kj-ki\u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","blog_url":"https://kj-ki.hatenablog.com/","blog_title":"kj-ki\u2019s blog","published":"2008-08-28 00:00:00","url":"https://kj-ki.hatenablog.com/entry/20080828/p1"}