{"height":"190","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcookie-box.hatenablog.com%2Fentry%2F2022%2F06%2F06%2F103042\" title=\"\u96d1\u8a18\uff1a \u767e\u4eba\u4e00\u9996\u306b\u300c\u79cb\u98a8\u300d\u304c\u767b\u5834\u3059\u308b\u6b4c\u306f3\u9996\u3042\u308b\u306e\u3067\u9006\u6587\u66f8\u983b\u5ea6\u306f log(100/3) - \u30af\u30c3\u30ad\u30fc\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>","blog_url":"https://cookie-box.hatenablog.com/","version":"1.0","categories":["\u96d1\u8a18"],"type":"rich","author_name":"cookie-box","image_url":null,"url":"https://cookie-box.hatenablog.com/entry/2022/06/06/103042","provider_name":"Hatena Blog","blog_title":"\u30af\u30c3\u30ad\u30fc\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","description":"\u307e\u3068\u3081 sklearn.feature_extraction.text.TfidfVectorizer \u3067 TF-IDF \u5024\u3092\u51fa\u3059\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\uff3b\u305d\u306e\u6587\u66f8\u5185\u3067\u306e\u305d\u306e\u5358\u8a9e\u306e\u51fa\u73fe\u56de\u6570\uff3d\u00d7\uff3blog( (1 + \u5168\u6587\u66f8\u6570) / (1 + \u305d\u306e\u5358\u8a9e\u304c\u51fa\u73fe\u3059\u308b\u6587\u66f8\u6570) ) + 1\uff3d\u3092\u6587\u66f8\u3054\u3068\u306b L2 \u6b63\u898f\u5316\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002 \u53c2\u8003\u6587\u732e tf-idf - Wikipedia\uff082022\u5e746\u67085\u65e5\u53c2\u7167\uff09\uff0e sklearn.feature_extraction.text.TfidfVectorizer \u2014 scikit-learn 1.1.1 documentation\uff082022\u5e746\u67085\u65e5\u53c2\u7167\uff09\uff0e 6.2. Fe\u2026","author_url":"https://blog.hatena.ne.jp/cookie-box/","title":"\u96d1\u8a18\uff1a \u767e\u4eba\u4e00\u9996\u306b\u300c\u79cb\u98a8\u300d\u304c\u767b\u5834\u3059\u308b\u6b4c\u306f3\u9996\u3042\u308b\u306e\u3067\u9006\u6587\u66f8\u983b\u5ea6\u306f log(100/3)","published":"2022-06-06 10:30:42"}